Uniden Scanner BC250D User Manual

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Contents  
Introduction...........................................................................................1  
Front View ............................................................................................2  
Icon Display..........................................................................................3  
BC250D SHORTCUTS.........................................................................4  
Important Notice ...................................................................................6  
Terminology..........................................................................................7  
What is Scanning?............................................................................7  
What is Searching?...........................................................................7  
What is Trunk Tracking?...................................................................7  
What is APCO Project 25 Digital Communications? ........................8  
Feature Highlights ................................................................................9  
Where to Obtain More Information.....................................................11  
Information on the Internet .............................................................11  
Included with Your Scanner Package ................................................12  
Setup ..................................................................................................13  
Installing the Battery Pack..............................................................13  
Charging the Battery Pack..............................................................13  
Low Battery Indicator......................................................................13  
Flexible Antenna.............................................................................14  
Beltclip ............................................................................................14  
Listening Safely ..............................................................................14  
Connecting the REMOTE Cable.....................................................14  
Basic Operation..................................................................................15  
Turn the Scanner On......................................................................15  
Setting the Squelch ........................................................................15  
Understanding the Menu System ...................................................16  
Menu Description and Numeric Keypad Equivalents .....................17  
Programming ......................................................................................26  
Storing Frequencies into Channels in Menu Mode ........................26  
Deleting a Stored Frequency..........................................................27  
Editing a Stored Frequency............................................................27  
Duplicate Frequency Alert ..............................................................27  
Transfer Frequencies......................................................................28  
Storing Text Tags ...........................................................................28  
Beep Alert.......................................................................................29  
Programming Tips ..........................................................................29  
Scanning.............................................................................................31  
Storing Frequencies During Scanning............................................31  
RF Attenuation Feature ..................................................................32  
Setting the Delay Mode for Frequency...........................................32  
Channel Lockout.............................................................................33  
Restoring a Locked-out Channel....................................................34  
Restoring All Locked-out Channels ................................................34  
Priority Scan ...................................................................................34  
Changing the Priority Channel........................................................35  
Prioroty Channel Plus Scan............................................................35  
Searching............................................................................................36  
Setting a Search Range .................................................................36  
Starting Chain Search.....................................................................37  
Search Hold Feature.......................................................................37  
Data Skip ........................................................................................37  
Frequency Skip...............................................................................38  
Storing Search Frequencies ...........................................................38  
Auto Storing....................................................................................39  
Squelch (SQ) Mode ........................................................................40  
Additional Menu Options for Searching .........................................42  
Service Search ...................................................................................43  
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Service Search Skip .......................................................................44  
NWR-SAME Alert ...........................................................................44  
Testing the Alert Siren....................................................................45  
Programming FIPS Code................................................................45  
Digital and Trunked Systems .............................................................47  
Programming and Receiving Digital and Trunked Systems...............49  
STEP1: Selecting or Changing Trunking System Type..................49  
STEP2: Programming Trunking Frequencies.................................50  
STEP3: Programming ID Scan List Manually.................................51  
Scan Lists .......................................................................................51  
Setting the Squelch ........................................................................54  
Receiving Trunked Systems...........................................................54  
ID Scan Mode.................................................................................55  
ID Scan Hold Feature.....................................................................56  
Trunked Search ..............................................................................56  
ID Monitor Mode .............................................................................56  
ID Search Hold and Direct Entry ID Hold Mode.............................57  
ID Lockout.......................................................................................57  
Review ID Lockout..........................................................................58  
Restoring Locked-out IDs ...............................................................58  
Setting the Delay Mode for Trunking Mode....................................59  
Setting Priority in Trunking Mode ...................................................60  
Programming Scan Lists During Search ........................................60  
Deleting a Stored ID .......................................................................60  
Moving between Scan List Memories.............................................61  
I-Call (Motorola/EDACS).................................................................61  
Multi-Track ......................................................................................62  
EDACS Reception..............................................................................64  
EDACS Tracking.............................................................................64  
Programming EDACS System Frequencies...................................64  
An EDACS Trunked system ...........................................................65  
Special EDACS Features ...............................................................66  
EDACS SCAT.................................................................................67  
LTR Reception....................................................................................68  
LTR Tracking ..................................................................................68  
Motorola Reception ............................................................................69  
Motorola Tracking...........................................................................69  
Fleet Map Programming .................................................................70  
Selecting Preset Fleet Map ............................................................70  
Programming a Fleet Map..............................................................71  
Programming a Hybrid System.......................................................71  
Setting the Base, Spacing Frequencies and Offset Channel for  
Motorola VHF/UHF Trunked Systems...............................................72  
Toggling the Status Bit ...................................................................73  
Control Channel Only Mode ...........................................................73  
Disconnect Tone Detect Option (End Code)..................................75  
APCO Project 25 Reception...............................................................76  
Installing the APCO P-25 Card.......................................................76  
Precautions for Iistalling the BCi25D Card.....................................77  
Turning ON/OFF the APCO P-25 Card..........................................77  
APCO P-25 Sound Quality Fine Tuning.........................................78  
Remote Interface................................................................................80  
PC Control Mode ............................................................................80  
Clone Mode ....................................................................................81  
Additional Features.............................................................................84  
Care and Maintenance .......................................................................87  
Troubleshooting..................................................................................88  
Specifications......................................................................................90  
Glossary of Terms ..............................................................................91  
Appendix.............................................................................................95  
One Year Limited Warranty..............................................................105  
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Introduction  
The BC250D is a state-of-the-art Digital Capable radio with  
TrunkTracker III and automatic scanning capabilities. It can  
store frequencies such as police, fire/emergency, marine,  
railroad, air, amateur, and other communications into 10  
banks of 100 channels for a total of 1000 channels.  
With the optional BCi25D, APCO-P25 Digital Card installed  
you can monitor Public Safety Organizations who currently  
use Conventional, Trunked at 3600 and Mixed Mode APCO  
25 systems.  
Use your new scanner to monitor:  
• Police and Fire Departments (including rescue and  
paramedics)  
Trunked for:  
Motorola  
Type I  
Type II  
Type I,II (Hybrid)  
EDACS  
Wide band  
Narrow band  
Scat  
LTR  
Digital Communication for APCO Project 25  
Conventional  
Trunked at 3600  
Mixed Mode at 3600  
• NOAA Weather Broadcasts  
• Business/Industrial Radio  
• Utilities  
• Marine and Amateur (ham radio) Bands  
• Air Band  
• And much more...  
The chart below identifies the scanner band numbers, the  
frequency range, the modulation mode and the default step  
size settings.  
Band  
No.  
Frequency Range  
(MHz)  
Mode Step Band  
(kHz) No.  
Frequency Range  
(MHz)  
Mode Step  
(kHz)  
1
2
3
4
5
6
7
8
9
25.0000 - 26.9600  
26.9650 - 27.4050  
27.4100 - 27.9950  
28.0000 - 29.6900  
29.7000 - 49.9900  
50.0000 - 53.9900  
54.0000 - 71.9500  
72.0000 - 75.9950  
76.0000 - 87.9500  
AM  
AM  
AM  
5
5
5
15 162.0000 - 173.9875  
FM 12.5  
16 174.0000 - 215.9500 WFM 50  
17 216.0000 - 224.9950 FM  
AM 50  
5
FM 10 18 225.0000 - 399.9500  
FM 10 19 400.0000 - 405.9875 NFM 12.5  
FM 10 20 406.0000 - 419.9875 NFM 12.5  
WFM 50 21 420.0000 - 449.9875 NFM 12.5  
FM  
5
22 450.0000 - 469.9875 NFM 12.5  
WFM 50 23 470.0000 - 512.0000 NFM 12.5  
10 88.0000 - 107.9000 WFM 100 24 806.0000 - 823.9875 NFM 12.5  
11 108.0000 - 136.9750  
12 137.0000 - 143.9950  
13 144.0000 - 147.9950  
14 148.0000 - 161.9950  
AM 25 25 849.0125 - 868.9875 NFM 12.5  
FM  
FM  
FM  
5
5
5
26 894.0125 - 956.0000 NFM 12.5  
27 1240.0000 - 1300.0000 NFM 12.5  
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1
Front View  
11  
12  
13  
1
2
3
14  
4
CH/  
15  
FRQ  
HOLD/  
RSM  
MAN  
16  
17  
18  
19  
5
6
SCAN  
SERVICE  
SEARCH  
MENU/BACK  
TRUNK  
7
8
20  
L/O  
21  
REVERSE  
SELECT  
9
10  
22  
23  
.
E
1. Antenna Connector  
2. Speaker  
3. Display  
4. DC Power Jack  
5. Hold/Manual/Channel/Frequency Key (HOLD/MAN)  
6. Scan Key (SCAN)  
7. Menu/Back Key (MENU/BACK)  
8. Lockout Key (L/O)  
9. Light/Keypad Lock Key (  
/
)
.
10. Decimal/Reverse Key (  
11. Earphone Jack  
12. Volume/ON/OFF Control  
13. Squelch Control  
14. Remote Jack  
15. VFO Control  
)
RSM  
16. Resume Key (  
)
17. Service Key (SERVICE)  
18. Search Key (SEARCH)  
19. Numeric Keypad  
20. Trunk Key (TRUNK)  
21. Priority Key (PRI)  
22. Transfer/Mute Key (TRNSFR/MUTE)  
23. Enter/Select Key (E)  
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2
Icon Display  
ICON  
DESCRIPTION  
Priority Channel Indicator  
Lock Out Mode Indicator  
Scan/Search Direction Indicator  
Chain Search Mode Indicator  
Service Search Mode Indicator  
Scan Mode Indicator  
P
L
/
O
SRCH  
SRVC  
SCAN  
ID SCAN  
ID SEARCH  
C
ID Scan Mode Indicator  
ID Search Mode Indicator  
Channel Type  
Conventional Type  
Trunk Type  
M
L
E
Morola Tracking Type  
LTR Tracking Type  
EDACS Tracking Type  
Digital Communications  
P25: APCO Project 25  
P25  
AM,FM  
WFM,NFM  
Receiving Mode Indicators  
Signal Meter  
Battery Indicator  
®
®
Uniden and Bearcat are registered trademarks of Uniden  
America Corporation.  
TrunkTracker is a proprietary trademark of Uniden America  
Corporation.  
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3
BC250D SHORTCUTS  
MENU/  
BACK  
MENU/  
3
3
2
1
1
1
BACK  
3
3
2
MENU/  
BACK  
MENU/  
BACK  
3
1
1
1
2
the neat entry Programming.  
MENU/  
MENU/  
BACK  
3
4
1
BACK  
3
9
1
Rotate the VFO control to enter the text  
and using RSM or HOLD/MAN to move  
the cursor. After the text is entered,  
press  
E
(for example; replace the frequency  
on channel 5 to 155.000)  
To receive an alert for activity on  
specific IDs while trunk tracking,  
turn on the "Beep Alert" for that  
ID.  
HOLD/  
MAN  
HOLD/  
MAN  
SCAN  
5
5
.
5
1
E
MENU/  
2
3
3
2
BACK  
select  
ID MEMORY  
E
To receive an alert for activity on  
a specific channel, turn on the  
"Beep Alert" for that channel.  
E
1
MENU/  
2
1
1
BACK  
E
4
This shortcut card is designed to assist you in  
getting through the menu screens using the direct  
entry mode for commonly used features. Please  
read the manual thoroughly before using this card.  
Be sure to back out of the menu screen after each  
shortcut by repeatedly pressing MENU/BACK or by  
pressing SCAN or SEARCH Keys.  
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4
BC250D SHORTCUTS  
To set up a system for trunk tracking,  
select a bank, then enter the trunk type.  
MENU/  
2
1
2
1
BACK  
CHAIN  
MENU/  
BACK  
E
1
1
SERCH  
select  
bank  
E
SEARCH  
6
Then enter the trunk type you want to  
track. Press  
.
E
To change the alpha tag on the specific  
search range of frequencies that you set,  
do the following:  
CHAIN  
MENU/  
1
BACK  
SERCH  
CHAIN  
MENU/  
BACK  
select  
range  
1
E
SERCH  
E
2
E
select  
range  
2
E
4
1
Rotate the VFO control to enter the tag and  
use RSM or HOLD/MAN to move the  
cursor forward or back and then press  
E
.
E
To begin searching between the Range  
press  
SEARCH  
.
MENU/  
BACK  
2
1
E
E
1
MENU/  
BACK  
Rotate the VFO control to enter the tag and  
use RSM or HOLD/MAN to move the cursor  
2
5
1
1
E
and then press  
.
E
To silence the scanner's audio output,  
set the scanner to "Mute On".  
To program and control your scanner  
remotely from a PC using Uniden's  
E-Scanner software, do the following:  
MUTE  
Press and hold  
.
select  
speed  
MENU/  
BACK  
Press  
3
5
If you need any assistance with this product, please call our  
Customer Service Hotline at 1-800-297-1023. A Uniden  
representative will be happy to help you with any matters  
regarding the operation of this unit, available accessories, or  
any other related matters.  
Hours: M-F 8:00 a.m. to 5:00 p.m., Central time.  
Also please check out our website at scanner.uniden.com  
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5
Important Notice  
This scanning radio has been manufactured so that it will  
not tune radio frequencies assigned by the FCC for cellular  
telephone usage. The Electronic Communications Privacy  
Act of 1986, as amended, makes it a federal crime to  
intentionally intercept cellular or cordless telephone  
transmissions or to market this radio when altered to  
receive them.  
The installation, possession, or use of this scanning radio in  
a motor vehicle may be prohibited, regulated, or require a  
permit in certain states, cities, and/or local jurisdictions.  
Your local law enforcement officials should be able to  
provide you with information regarding the laws in your  
community.  
Changes or modifications to this product are strictly  
prohibited, or operation of this product in any way other  
than as detailed by this Owner's manual. Could void your  
authority to operate this product.  
The screen displays used in this manual are  
representations of what might appear when you use your  
scanner.  
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6
Terminology  
What is Scanning?  
Unlike standard AM or FM radio stations, most two-way  
communications do not transmit continuously. The BC250D  
scans the Frequencies you have programmed into the  
Scanners channels until it finds an active frequency.  
Scanning stops on an active frequency and remains on that  
channel as long as the transmission continues. When the  
transmission ends, the scanning cycle resumes until another  
transmission is received.  
What is Searching?  
The BC250D can search each of its 27 bands to find active  
frequencies. This is different from scanning because you are  
searching for frequencies that have not been programmed  
into your Scanners channels. The scanner automatically  
chooses between two speeds while searching. Turbo Search,  
can search the VHF FM bands at up to 300 steps per second.  
What is Trunk Tracking?  
Conventional scanning is a simple concept. You enter a radio  
frequency in your scanners memory which is used by  
someone you want to monitor. For example, the police in your  
area may broadcast on 460.500 MHz, the fire department on  
154.445 MHz, the highway department on 37.900 MHz, etc.  
So when your scanner stops on a frequency, you usually  
know who it is, and more importantly, you can stop on a  
channel and listen to an entire conversation. This type of  
scanning is easy and fun.  
As the demand for public communications has increased,  
many public radio users don't have enough frequencies to  
meet their needs, and this has created a serious problem.  
Trunking radio systems solve this problem.  
In a trunked radio system, which contains up to 28 different  
frequencies, radio users are divided into groups, often called  
talkgroups, and these talkgroups are assigned specific IDs.  
When someone in a talkgroup uses their radio, a brief burst  
of data is broadcasted before each transmission. The trunking  
system computer uses this data to temporarily assign each  
radio in a talkgroup to an available frequency. If the group  
using a frequency stops broadcasting or pauses between  
replies for a few seconds, they are removed from the  
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7
frequency so another talkgroup can use it.  
Sharing of the available public service frequencies,  
or trunking, allows cities, counties, or other agencies  
to accommodate hundreds of users with relatively few  
frequencies. Following a conversation on a trunked system  
using a scanner is difficult, if not impossible. Because when  
there's a short break during the conversation you're  
monitoring, its possible that the talkgroup will be assigned  
to a completely different frequency in the trunked system.  
This type of scanning is difficult and frustrating.  
TrunkTracker III changes this! Not only does your new  
BC250D scan channels like a conventional scanner, it actually  
follows the users of a trunked radio system. Once you know  
a talkgroups ID, you wont miss any of the action.  
If you're a new scanner enthusiast, you may want to read the  
first part of this manual and use your scanner in conventional  
mode before you begin trunk tracking. Understanding  
scanning fundamentals and its terminology will make trunk  
tracking much easier. A glossary of other commonly used  
terms is provided in the back. (Refer to the "Glossary of  
Terms" section.) But if you're already an experienced scanner  
operator, you may want to skip to Programming and  
Receiving Digital and Trunked Systems on page 49.  
What is APCO Project 25 Digital  
Communications?  
APCO Project 25 is a modulation process where voice  
communications are converted into digital communications.  
This conversion is similar to the technology used with digital  
mobile phones. There are several types of project 25 systems  
available!  
- Conventional one frequency with digital voice.  
- Trunked with analog control channel and digital voice –  
control channel operates at 3600 baud.  
- Mixed Mode trunked system with an analog control  
channel alternating/mixing analog and digital voice  
communications.  
- Trunked with digital control channel and digital voice.  
Control channel operates at 9600 baud. (This type of APCO  
P-25 System is not supported with this radio.)  
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8
Feature Highlights  
Trunk Tracking Follow VHF High Band UHF  
800/900MHz trunked public safety and public service  
systems just as if conventional two-way communications  
were used.  
Digital Capable With the APCO 25 Digital card (BCi25D)  
installed, you can monitor supported project 25 systems.  
Multi-Track Track more than one trunking system  
at a time. Scan conventional and trunked systems at the  
same time.  
1000 Channels Program one frequency into each  
channel. You must have at least one channel programmed  
to use the Scan mode.  
27 Bands Includes 27 bands, with aircraft and 800 MHz.  
10 Banks 10 banks with 100 channels each are useful for  
storing similar frequencies to maintain faster scanning  
cycles or for storing all the frequencies of a trunked system.  
25 MHz-1300 MHz Indicates the range of frequencies that  
can be searched within the bands of your scanner.  
Note: The frequency coverage is not continuous and  
excludes the cellular band, 512-806MHz.  
10 Priority Channels You can assign one priority  
channel in each bank. Assigning a priority channel allows  
you to keep track of activity on your most important  
channel(s) while monitoring other channels for  
transmissions. You can also assign Trunking priority  
Talkgroups.  
Priority Plus Scan Allows you to scan only priority  
channels.  
Preprogrammed Service Search Allows you to toggle  
through preprogrammed public safety, news media, TV  
broadcast audio, Ham, CB, FRS, special low power,  
railroad, aircraft, marine, racing, and weather frequencies.  
Unique Data Skip Allows your scanner to skip unwanted  
data transmissions and reduces birdies.  
Memory Backup If power is disconnected, the  
frequencies programmed in your scanner are retained  
in memory.  
Direct Channel Access Go directly to any channel  
without entering the Menu mode.  
Attenuator Reduces the signal strength on a per  
frequency basis.  
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9
PC Programmable Allows you to easily program all  
frequencies and Trunking Talk Groups into your BC250D  
through Unidens E-Scanner software running on your PC.  
For more information on E-Scanner Programming  
software visit our website at scanner.uniden.com.  
Turbo Search Increases the search speed to 300 steps  
per second. This applies only to transmission bands with  
5 kHz steps.  
Text Tags You can customize your scanner by storing  
text tags (up to 16 characters).  
Auto Store The scanner automatically stores found active  
frequencies into an assigned bank.  
CTCSS/DCS The scanner can receive and search for  
subaudible tones.  
NWR-SAME Alert The scanner is compatible with  
warning siren and message transmissions.  
FIPS Code Six digit FIPS Code (emergency and  
geographic area code) programmable.  
LCD Back-Light LCD illuminates when you press the  
Light/Lock (  
) key. You can select the lighting length  
of time in the Menu mode.  
Battery Save In Scan Hold mode and no transmission,  
your scanner automatically reduces its power requirements  
to extend the battery life.  
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10  
Where to Obtain More  
Information  
Before using your scanner, you must program frequencies  
into available channels. The Betty Bearcat Frequency Guide  
lists typical frequencies used around the U.S.A. and Canada  
that you may program into your new scanner.  
To obtain frequency information for your area, contact one of  
the following:  
Bearcat Frequency Hotline  
(937) 299-0414 (Hours are from 9:00 a.m. to 5:00 p.m.  
Eastern Time Monday through Friday.)  
Bearcat Radio Club  
(800) 423-1331 (Hours are from 8:00 a.m. to 5:00 p.m.  
Eastern Time Monday through Friday.)  
Scanner Master  
(800) 722-6701 (Hours are from 10:00 a.m. to 5:00 p.m.  
Eastern Time Monday through Friday.)  
To obtain another copy of the frequency guide, contact one  
of the following:  
Uniden Parts Department  
(800) 554-3988 (Hours are from 7:00 a.m. to 5:00 p.m.  
Central Time Monday through Friday.)  
Local Dealer  
Information on the Internet  
If you have access to the internet, you may want to visit one  
of the following websites for additional information:  
scanner.uniden.com  
www.bearcat1.com  
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11  
Included with Your  
Scanner Package  
If any of these items are missing or damaged, immediately  
contact your place of purchase or Uniden Customer Service  
at: (800) 297-1023, 8:00 a.m. to 5:00 p.m., Central Time,  
Monday through Friday.  
BC250D Hand held Scanner  
AC Adapter/Charger (AD-600U)  
Ni-MH Battery (BP-250)  
Rubber Antenna  
Remote Cable  
Beltclip  
Operating Guide  
E-Scanner Programming Software CD-ROM  
Trunk Tracker Frequency Guide  
Other Printed Material  
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12  
Setup  
Installing the Battery Pack  
1. Open the cover.  
2. Connect the battery pack connector  
observing the correct polarity.  
3. Replace the cover and press down  
until it clicks into place.  
Charging the Battery Pack  
Use the AC Adapter/Charger  
to power the BC250D from an  
AC outlet.  
CH/  
FRQ  
HOLD/  
MAN  
RSM  
H
SEARC  
E
SERVIC  
SCAN  
K
TRUN  
CK  
U/BA  
MEN  
You can use your scanner  
while the battery charges.  
To fully charge the battery,  
leave the AC Adapter/Charger  
L/O  
ECT  
SEL  
E
ERS  
REV  
E
MUT  
Use only the supplied AC Adapter  
connected for 14 16 hours.  
Note: Disconnect the AC Adapter/Charger from the unit when  
charging is complete.  
Low Battery Indicator  
When the battery pack is low and needs to be charged,  
appears on the display. You will also hear a beep every 15  
seconds as an audible alert.  
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13  
Flexible Antenna  
Attach the flexible antenna to the  
antenna connector.  
Beltclip  
The beltclip is designed to fit snugly on  
the back of the scanner.  
Line up the four arms on the beltclip with  
the four tabs on the scanner and slide the  
beltclip into place, as shown on the right.  
Listening Safely  
To protect your hearing, follow these guidelines when you use  
an earphone or headphones.  
Do not use the earphone to listen to the WX alert siren  
test. The volume is not adjustable and damage to your  
hearing could occur.  
Do not listen at extremely high volume levels. Extended  
high volume listening can lead to permanent hearing loss.  
Set the VOLUME to the lowest setting before you begin  
listening. After you begin listening, adjust the VOLUME to a  
comfortable level.  
Once you set the VOLUME, do not increase it. Over time,  
your ears adapt to the volume level, so a volume level that  
does not cause discomfort might still damage your hearing.  
Connecting the REMOTE Cable  
You can transfer the programmed channels, talk group IDs,  
etc. to and from another BC250D or BC785D scanner using a  
remote cable. See "Clone Mode" on page 81. You can also  
upload or download the programmed data to or from a PC  
using Unidens E-Scanner software. See "PC Control mode"  
on page 80.  
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14  
Basic Operation  
Turn the Scanner On  
Turn the VOLUME control clockwise out of the detent  
position. The scanner automatically starts scanning.  
Since there are no frequencies programmed in your scanner  
initially, you may not receive any signals. Once you set the  
squelch and program some frequencies, you will begin  
hearing conversations regularly.  
Note: If you turn the scanner on when the optional APCO  
card is not installed, APCO P25 CARD NOT  
INSTALLEDappears on the display. To delete the  
message, select 2:DISABLEin the Menu mode  
(see page 77).  
Setting the Squelch  
To set the squelch, you must be in the hold mode, and you  
should not be receiving a signal on your scanner.  
1. Press HOLD/MAN until  
you do not hear a signal.  
STRONG SIGNALS  
2. Make sure that the  
MEDIUM SIGNALS  
VOLUME is set to a  
WEAK SIGNALS  
comfortable listening level.  
NOISE  
3. Think of the Squelch  
Control as a gate.  
Turn the SQUELCH  
control fully counter-  
clockwise. This raises the  
STRONG SIGNALS  
"Squelch Gate" so high  
MEDIUM SIGNALS  
that only very strong  
WEAK SIGNALS  
signals can get through.  
NOISE  
4. Turn SQUELCH clockwise  
until you hear a hiss. This  
lowers the "Squelch Gate"  
so that everything gets  
through noise, weak  
signals, medium signals  
STRONG SIGNALS  
and strong signals.  
MEDIUM SIGNALS  
5. Turn SQUELCH back  
WEAK SIGNALS  
counter-clockwise just until  
NOISE  
the hiss stops. Now the  
"Squelch Gate" allows  
only clear signals through.  
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15  
Next you must program some frequencies (page 26). It is  
recommended that you read the next part "Understanding the  
Menu System" because it will assist you in accessing and  
understanding many of the features. Later in a section called  
"Additional Features", you will find explanations on how to  
disable the keypad acknowledgement tones, mute the audio,  
change the appearance of the display and other general  
features.  
Understanding the Menu System  
It is very important for you to understand the Menu screen.  
To navigate through the Menu screen is really quite simple.  
Many of the features of this scanner, can only be accessed by  
the Menu screens. There are several ways to get through the  
screens. First of all, press MENU/BACK to get started.  
Anytime you want to exit this mode or simply quit from where  
you are, repeatedly press MENU/BACK until the scanner  
returns to the original state or you can press SCAN or  
SEARCH to exit directly out of Menu mode. Anytime you are  
in the Menu mode, the audio will be muted.  
To assist you in understanding the Menu screen, flow charts  
are provided towards the back of the manual so you can  
follow along. Two things to remember are rotate the VFO  
through the menu and press E to execute the command.  
For simplicity, we have chosen to rotate the VFO control up or  
down in order to scroll through the menu and the E key for  
entering or executing a command. Once you have pressed  
the E key and executed the final choice (for instance, ONor  
OFF), the display backs up to the previous level of options.  
Also direct entry of the numbers in the flow chart will get you  
through the screens, but the other screen options are not  
visible. This method should be used only after you have gone  
through the manual at least once. Tearout shortcut cards (see  
pages 4 and 5) are provided to assist you in the direct entry  
methods for commonly used features.  
The illustration on the next page shows the first level of the  
Menu screen. These levels are then provided in a flow chart  
on pages 102 to 104. You will find a description section to  
explain the meanings of these functions on the next pages.  
Then, you will be walked through all the steps of  
programming, scanning, searching, and trunktracking.  
Hint: You can check the various options you programmed  
on the display when you press and hold  
MENU/BACK for 2 seconds in the following modes.  
Scan mode/Scan Hold mode (as well as Trunk  
mode).  
Chain Search mode/Chain Search Hold mode  
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16  
ID Search mode/ID Search Hold mode  
1:SERVICE OPTION  
2:SCAN OPTION  
MENU MODE  
3:SYSTEM OPTION  
Menu Description and Numeric Keypad  
Equivalents  
Below are the Menu screens and a brief description or  
purpose of the feature.  
1:SERVICE OPTION  
Service Search menus are preprogrammed services  
used around the U.S.  
1:WEATHER  
1:MONITOR  
When you select this mode, the  
preprogrammed NOAA weather channel  
begins to activate.  
2:ALERT  
You can set NWR-SAME weather alert to  
1:ONor 2:OFF. With ALERT ON you can  
enter the mode to program your FIPS code.  
2:PUBLIC SAFETY  
3:NEWS  
4:TV BROADCAST  
5:HAM RADIO  
6:MARINE  
7:RAILROAD  
8:AIR  
9:CB RADIO  
0:FRS  
:RACING  
:SPECIAL  
:CHAIN SEARCH  
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17  
You can program up to 10 search ranges. The first  
time you program a range you will need to do so  
through the Menu. After the first time you can  
program a range as you do on most any other  
scanner, using the numeric keypad or VFO control.  
Use this Menu item to select the search range that  
you want to program. You can program range 1  
through 10, one at a time. For each of the ranges,  
the following options can be modified.  
1:CHAIN SEARCH  
You must turn Chain Search feature ON, in  
order to use the Chain Search feature.  
2:SEARCH RANGE  
1:RANGE  
Enter the upper and lower frequency  
limits of the Search Range.  
2:STEPS  
You can assign a variety of step sizes  
to the search range.  
Note: The default step is usually  
acceptable and is listed on  
page 1.  
3:MODE  
You can change the Auto receive  
mode to AM, FM, WFM, NFM.  
4:ALPHA TAG  
You can enter an Alpha Tag for any  
or all of the search ranges.  
5:TRUNK  
During Chain Search mode, when the  
scanner finds an active frequency.  
The trunk tracking system will be  
active. Four frequency plans apply to  
the Control Channel Only feature (for  
details see page 73).  
3:DELAY  
Set the delay for the search ranges to 1:ON  
or 2:OFF. This applies to Search mode, and  
Service Search mode (See 2:SCAN  
OPTION/ 1:CONVENTIONAL/  
2:DELAYfor details).  
4:ATTENUATOR  
Set attenuation for all search ranges.  
(See 2:SCAN  
OPTION/1:CONVENTIONAL/  
5:ATTENUATORfor details).  
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18  
5:TONE DATA  
The default mode is 2:OFF. This means that  
you will receive all transmissions on any  
frequencies that are active within your search  
range(s). By selecting CTCSS or DCS you  
can set the radio to receive only a particular  
subaudible tone to be received during your  
search. You can also lockout a particular  
CTCSS or DCS tone. You may wish to do this  
if you want to search a range but not hear  
transmissions on any frequency that has a  
particular subaudible tone.  
Note: Through the System Menu you can set  
the radio to operate in Tone Search  
mode during Search as well. In this  
mode, the radio will automatically  
determine the active subaudible tone  
on any frequency received during the  
search.  
6:AUTO STORE  
You can automatically store active  
frequencies found during a search into the  
memory. You can select which bank you want  
to program the found frequencies. The audio  
will be muted during Auto Store.  
2:SCAN OPTION  
1:CONVENTIONAL  
Choose the channel number. The following options  
are available for the selected channel only.  
Repeat using a different channel number, if  
necessary.  
1:FREQUENCY  
Allows you to edit or enter a frequency in  
each channel you select.  
Also you can set an alphanumeric text tag for  
each programmed frequency.  
2:DELAY  
The delay for all programmed channels is  
2 seconds. At the end of any transmission  
the scanner will remain on the frequency for  
2 seconds before resuming scanning.  
This will allow you to catch most replies.  
3:TONE DATA  
You can set a CTCSS (analog) or DCS  
(digital) subaudible tone for a frequency.  
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19  
To do so you must have the SQ Mode in the  
System Menu set to Tone SQ. You can also  
program a subaudible tone easily by pressing  
the E key in Scan Hold mode after  
programming a frequency. This will bring up  
the Tone Data menu without having to  
navigate the Menu. By doing this you will  
receive all transmissions on the frequency,  
regardless of the subaudible tone, except the  
one which you have locked. Any transmissions  
with that tone will not be received.  
4:BEEP ALERT  
You can set a Beep Alert on a per-channel  
basis to alert you when specific frequencies  
are active. For example, you may wish to be  
alerted anytime a mutual aid fire frequency  
is active. With Beep Alert, you will hear three  
beeps at the start of each transmission that  
you have flagged as such. You will also  
notice that as you scroll pass the flagged  
channel(s), you will hear three beeps.  
5:ATTENUATOR  
The BC250D comes with an RF Attenuation  
feature. If you are near an unusually strong  
signal source, the signal may overload the  
scanner. The scanner may stop repeatedly  
on that signal and miss other transmissions.  
The RF Attenuation feature works in all  
modes and attenuates (reduces) the incoming  
signal strength to prevent stronger signals  
from overloading the scanner.  
6:STEPS  
Your BC250D is programmed with default  
step sizes for each frequency range (see  
page 1). Steps are important if you are  
interested in using the VFO to tune off from a  
frequency programmed into memory or if you  
wish to program a frequency that the default  
step size will not accept. For example, in VHF  
High Band mode, the default step size  
between 148 and 162 MHz is 5 KHz.  
However, the FCC has recently instituted 7.5  
KHz channel intervals. If you wish to enter  
155.4075 into the scanner without changing  
the default step, the scanner will change the  
programmed frequency to 155.4100. Use the  
Menu to change the default step size to 7.5  
KHz and then you will be able to enter  
155.4075.  
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20  
7:MODE  
Default Auto receive modes are also  
programmed into memory. AM for aircraft and  
CB bands, for example. All frequencies (other  
than audio TV broadcast) above 400 MHz are  
received in NFM mode which helps prevent  
adjacent channel interference. You can  
change the default settings on a per-channel  
basis with this Menu item.  
2:TRUNK  
Choose the Trunk bank. The following options are  
available for the selected trunk bank only. Repeat  
using a different trunk bank, if necessary.  
1:TRUNK TYPE  
You will need to assign the correct trunking  
type for the bank you are about to program.  
If you want to listen to a Motorola Type I  
system, you will need to use this Menu option  
to assign the same. If you do not know the  
type of trunking system you are about to  
monitor, refer to the guide included with the  
scanner or check out www.bearcat1.com.  
Note: Some trunking systems require that you  
know the channel order. In these cases  
you will also need to start programming  
the trunked system at the start of the  
bank. The scanner defaults to the most  
common type of trunking system,  
Motorola Type II 800.  
2:TRUNK CHANNEL  
1:FREQUENCY  
To use Trunk Tracking, you need to  
program a frequency for at least one  
channel. Also you can enter an alpha  
tag for each channel in this Menu.  
2:STEPS  
You can assign a variety of step sizes  
to the channel.  
3:TALK GROUP  
You can program IDs into the Scan List  
memory either during Trunk Scan or Search  
without going into the Menu. However, you  
can also use the Menu to program IDs.  
This is particularly helpful when you are not  
near the trunked system you wish to later  
monitor. You can set it up and have it ready  
to go at some later time. After you have  
selected the Scan List location (1-10), you  
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21  
can then do the following:  
1. Program ID number  
2. Set an alpha tag  
3. Assign a Beep Alert to the ID. Whenever  
that ID is active, you will hear three beeps  
at the start of the transmission.  
4:DELAY  
You can set a delay for a trunk system on a  
bank by bank basis. The delay time is 2  
seconds, and this setting can not be changed.  
5:ID LIST TAG  
Assign an alphanumeric tag to any or all of  
the 10 Scan Lists for the system. During ID  
Scan Mode, you will see the ID List Tag (on  
the bottom text line) along with any alpha tag  
you may have set for an ID. In Search mode,  
you will see any Bank Tag you have set.  
6:L/O ID REVIEW  
Use this Menu item to review the IDs that you  
have locked out during Search and Scan.  
Rotate the VFO up or down to view the IDs  
that have been locked out. To leave the  
lockout IDs unchanged, press MENU/BACK  
to back out of the Menu. To unlock an ID,  
press the L/O key. To unlock all the IDs that  
have been locked out, press and hold the L/O  
key for about 2 seconds.  
7: ACTIVITY ID  
When activity ID is set to ON, your scanner  
receives any transmissions on the ID every  
0.5 seconds while scanning.  
8:I-CALL (MOTOROLA/EDACS)  
Most communications within a trunked system  
are group calls where one unit (such as a  
dispatcher) communicates with all the units  
within his/her group (all the patrol vehicles on  
the east side of town, for example). The units  
within this group comprise what is typically  
known as a talkgroup. There are some  
communications which are direct unit-to-unit  
conversations where one individual converses  
with another individual. The call is initiated by  
a radio and is directed to another single radio.  
Within the system, no one outside of these  
two users hears the conversation.  
Your BC250D defaults to I-CALL OFF mode.  
You can hear these conversations by using  
this Menu item to turn the I-CALL function to  
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22  
ON. In Search mode, with I-CALL ON, you  
will hear both talkgroup calls and I-CALLs.  
You can also set I-CALLs to I-CALL ONLY  
during which you will monitor only I-CALLs in  
Search mode. You can also program I-CALL  
IDs into Scan List memory.  
OR  
8:ID SCAN LIST (LTR)  
When scanning an LTR system you can only  
turn Scan Lists OFF and ON when an LTR  
talk group that you have entered into memory  
is active. To provide you with another method  
to turn Scan Lists ON and OFF, you can use  
this Menu item which only appears when you  
have selected LTR in trunk type.  
9:EMERGENCY ALT (EDACS)  
In EDACS trunked systems, you can set an  
alert for an EDACS transmission received.  
Set Emergency Alert to ON, EMERGENCY  
flashes on the display and you will hear beep  
alerts when you receive an EDACS  
emergency transmission.  
9:STATUS BIT (MOTOROLA)  
On Type 2 trunking systems there is a  
method by which specialized types of  
communications utilize unique talkgroup  
numbers. An emergency call will occur on  
a unique talkgroup from its primary  
assignment, for example. Because the  
BC250D defaults to Status-Bit ON mode, you  
never need to worry about missing these  
transmissions. If you've programmed  
talkgroup 33264 into Scan List memory, for  
example, and there is an emergency call  
within the group, you will hear it on 33264.  
0:EDACS ID FORM (EDACS)  
You can change to display the talkgroups in  
decimal mode, but this mode does not  
provide you with the flexibility that you get  
with AFS. The BC250D defaults to show the  
talkgroup number in AFS mode (Agency-  
Fleet-Subfleet). For details on AFS see pages  
65~67.  
OR  
0:END CODE (MOTOROLA)  
When this function is disabled, the radio looks  
for squelch before returning to the control  
channel instead of waiting for the disconnect  
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23  
tone. Only in rare instances will you need to  
adjust the default settings. The condition to  
return to control channels depends on  
whether a signal is present or not.  
:CNTRL CH ONLY  
(TYPE 1/TYPE 2 800, 900)  
With this mode you will be able to track  
Motorola Type I and II 800 and 900 MHz  
trunked systems by simply entering the  
control channel which manages the trunked  
system. You will not have to program the  
voice channels. There are 4 channel plans  
which you can select from.  
3:SYSTEM OPTION  
1:DIMMER  
Allows you to change the brightness of the display.  
Also you can change the lighting length of time.  
2:SCREEN MASK  
Screen Mask allows you to limit what appears on the  
display to the alpha tags that you have set for a  
channel along with a few function icons. Screen Mask  
removes the frequency, receiving mode tone data  
and signal strength bars. This mode is particularly  
useful in public safety vehicles where "information  
overload" is already a problem. Screen Mask does  
not work in Search mode.  
3:KEY BEEP  
Use this function to turn 2:OFFthe keypad  
acknowledgement beep. The default setting is 1:ON.  
4:ENTER LOCK  
Use Enter Lock to prevent accidental re-programming  
of channels, tone (CTCSS/DCS) and talkgroups  
entered into memory. The default setting is 2:OFF.  
5:PC CONTROL  
Use this function to set the transfer speed (baud rate)  
at which your personal computer (PC) communicates  
with the scanner when downloading information into  
your scanner using the Unidens E-Scanner software.  
See page 80 for details.  
6:CLONE  
You can clone all the programming, including  
frequencies, talkgroups and alpha tags as well as  
bank settings and other parameters from one  
BC250D to a BC785D or another BC250D.  
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24  
7:DATA SKIP  
A scanner will normally stop on any transmission it  
receives. This means the BC250D will occasionally  
stop on data signals and unmodulated transmissions.  
You can automatically skip many of these types of  
transmissions with data skip turned ON.  
8:SQ MODE  
The SQ Mode allows you to set at your option,  
whether the scanner will stop on all active  
transmissions on a particular frequency or it will only  
respond to transmissions with a pre-set subaudible  
tone. This applies to both Conventional Search and  
Scan modes. The options are as follows:  
1. CSQ - The default setting is CSQ (carrier  
squelch). In this mode the scanner will stop on  
any transmission on a programmed frequency  
(Squelch mode does not apply to trunking).  
2. TONE SQ - In Tone Squelch mode, if you have  
set a subaudible tone (CTCSS or DCS) for a  
frequency, the scanner will only stop on that  
frequency if the transmission includes the  
prescribed tone.  
3. TONE SEARCH - In this mode, as soon as the  
scanner stops on any (non-trunked) channel, the  
scanner will begin to search for any subaudible  
tone that is being used on a transmitted  
frequency. The scanner will check each CTCSS  
tone sequentially and it will find DCS tones  
instantly.  
9:BANK TAG  
Allows you to set an alphanumeric text tag for  
individual banks in the scanner (1-10). (The "0" key  
represents bank number 10.) For example, you may  
wish to set the bank one text tag as Law  
Enforcement, the second bank as Fire, etc.  
0:P-25 CARD  
When you insert the optional card (BCi25D) and  
select 1:ENABLEin this mode, you can monitor  
APCO P-25 digital communications. See page 76 for  
details.  
:BATTERY SAVE  
When you set Battery Save to ON in this Menu,  
Battery Save is active in Scan Hold mode (except  
Priority Scan mode).  
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25  
Programming  
Before the BC250D can begin conventional scanning, you  
must program a frequency into at least one channel.  
Repeat this procedure for each channel you want to program.  
Storing Frequencies into Channels in Menu  
Mode  
1. Select frequencies you received  
from your dealer, from various  
sources on the internet, or from  
one of the guides listed on  
page 11.  
Here is a list of sample  
frequencies you should try:  
156.800 Marine Calling channel  
155.340 Ambulance operations  
155.280 Ambulance operations  
155.160 Ambulance operations  
462.950 Ambulance operations  
462.5625 Family Radio Services (channel one)  
2. Press MENU/BACK.  
3. Select 2:SCAN OPTION/ 1:CONVENTIONALby  
rotating the VFO and pressing E.  
CH/  
FRQ  
4. Select a channel.  
HOLD/  
C 001  
1:FREQUENCY  
2:DELAY  
RSM  
MAN  
a. Enter the  
SCAN  
SERVICE  
SEARCH  
MENU/BACK  
TRUNK  
channel number  
using the keypad.  
b. Then press E.  
3:TONE DATA  
L/O  
REVERSE  
SELECT  
.
E
5. Select 1:FREQUENCY, and press E.  
C 001  
0000.0000 NFM  
FREQUENCY  
a. Enter the frequency number  
.
using  
(decimal key) and the  
keypad.  
b. Then press E.  
C 001  
6. Enter the alpha tag and press E.  
855.0000 NFM  
ALPHA TAG  
¡
(See page 28.)  
7. The following display appears, select  
the location you want.  
1:OTHER CHANNEL  
2:CHANNEL OPTION  
3:DONE  
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26  
Note: To clear a mistake while entering the frequency,  
.
press  
(decimal key) repeatedly until the  
display is cleared.  
C 010  
512.0000 NFM  
ERROR  
If you enter a channel or  
frequency which is out of the  
scanners range, a beep will  
sound and ERRORappears  
on the display.  
OUT OF CHANNEL  
C 010  
512.0000 NFM  
ERROR  
For each channel, you can also  
change the step size or the  
mode. (See page 103.)  
OUT OF BAND  
Deleting a Stored Frequency  
To delete a stored frequency:  
a. Select a channel.  
b. Press 0.  
C1000  
0000.0000  
c. Then press E.  
Note: Channels with no frequencies are  
automatically locked out.  
Editing a Stored Frequency  
1. Press MENU/BACK.  
2. Select 2:SCAN OPTION/ 1:CONVENTIONALby  
rotating the VFO and pressing E.  
3. Select the channel number you want to edit by rotating the  
VFO and pressing E.  
4. Select 1:FREQUENCYby rotating the VFO and pressing  
E.  
.
5. Edit the frequency by using  
(decimal key) and the  
keypad and pressing E.  
Duplicate Frequency Alert  
If you enter a frequency which has been  
stored in another channel, you will hear  
a beep and the channel stored displays  
WARNING.  
C 010  
512.0000 NFM  
WARNING  
DUPLICATE  
017  
.
Press  
(decimal key) to clear and start again.  
––– OR –––  
Press E again to store the frequency in both channels.  
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27  
Transfer Frequencies  
You can transfer a frequency that has been stored in a  
channel to another channel.  
1. Press HOLD/MAN.  
2. Press TRANSFR, and the smallest empty channel number  
along with the frequency will flash on the display.  
3. Press E and the frequency can be stored in this channel.  
4. If you want to enter it into another channel, select another  
channel by rotating the VFO and pressing E.  
Note: When the frequency is transferred, channel data along  
with the frequency is also transferred. For trunked  
frequency, data related to trunking, such as Trunk  
Type or Fleet Map will not be transferred. You will  
need to input the data manually.  
Storing Text Tags  
You can customize your scanner by storing text tags for easy  
identification of banks, channel transmissions, trunking  
talkgroup IDs, etc. The text tags can be set at the Menu  
mode. (Refer to Understanding the Menu Systemon page  
16.)  
For programming text tags for trunked talk group IDs, please  
refer to page 53.  
Assigning a Bank Tag to a Bank  
1. Press MENU/BACK.  
2. Select 3:SYSTEM OPTION / 9:BANK TAGby  
rotating the VFO and pressing E.  
3. Select the bank number by rotating  
the VFO and pressing E.  
BANK TAG 1  
4. The cursor appears on the display.  
Scroll the VFO to change the letters,  
and then press HOLD/MAN or RSM  
to move right or left. Both capital and  
lower case letters are available, as  
BANK TAG 1  
well as numbers and punctuation  
Uniden Group  
marks.  
5. After entering the desired text, press E.  
Assigning a Text Tag to a Channel  
1. Press MENU/BACK.  
2. Select 2:SCAN OPTION/ 1:CONVENTIONALby  
rotating the VFO and pressing E.  
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28  
3. Select the channel number by rotating the VFO and  
pressing E. You can also enter the channel number by  
using the keypad and then press E.  
4. Select 1:FREQUENCYand  
ALPHA TAGby rotating the VFO  
and pressing E.  
C 001  
855.0000 NFM  
ALPHA TAG  
¡
Note: You can only assign a text tag to  
the channel where the frequency is stored.  
5. The cursor appears on the display. Rotate the VFO to  
change letters, and press HOLD/MAN or RSM to move  
right or left. Both capital and lower case letters are  
available, as well as numbers and punctuation marks.  
6. After entering the desired text, press E.  
Remember! To clear a mistake while entering the letters,  
.
press HOLD/MAN, RSM or  
(decimal key) repeatedly  
until the display is cleared.  
Beep Alert  
The scanner can alert you with three beeps at the beginning  
of a transmission on an assigned frequency.  
Assigning the Beep Alert to a Channel  
This alert can be set ON/OFF for every channel in  
Conventional mode.  
In conventional mode -  
1. Press MENU/BACK.  
2. Select 2:SCAN OPTION/ 1:CONVENTIONALby  
rotating the VFO and pressing E.  
3. Select the channel number by rotating the VFO and then  
pressing E. (You can also enter the channel number by  
using the keypad and then press E.)  
4. Select 4:BEEP ALERTby rotating the VFO and  
pressing E.  
5. Select 1:ONor 2:OFFby rotating the VFO and pressing  
E.  
Note: If NOT REGISTEREDappears, make sure a  
frequency is stored in the channel.  
Programming Tips  
Do not program a weather frequency into one of the  
channels, since weather channels transmit continuously.  
Use the Weather Search feature to select the weather  
information band.  
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29  
Group similar services into a bank. For example, program  
police frequencies in channels 1 through 10 and  
fire/emergency into channels 51 through 60, and so on.  
Put the frequency that you listen to the most or the most  
important frequency into a Priority channel.  
To quickly program a series of channels, start with the  
lowest number channel.  
For example, when you are programming five new  
frequencies into channels 4 through 8, start with channel  
4. After you finish programming a channel, rotate the VFO  
up to go to the next higher channel.  
Write down your programmed channels and frequencies  
and put them in a convenient place in case of accidental  
reprogramming.  
Frequencies are rounded off according to the step of each  
channel.  
When you are overwriting a tagged channel with a new  
frequency, the previous alpha tag will be deleted. You must  
re-enter the alpha tag.  
When programming frequencies, a 2 second delay is set  
automatically and can not be changed.  
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30  
Scanning  
1. After programming frequencies,  
C 001  
Bank 1234567890  
SCAN  
simply press SCAN to begin scanning.  
During scanning, when you rotate the  
VFO, you can select the direction  
(or ) you want to scan.  
2. The bank indicators selected for scanning appear on the  
display, and the bank being currently monitored flashes.  
You can deselect banks from active scanning by entering  
their number on your keypad. The indicator for each  
deselected bank disappears, and the banks channels are  
not scanned.  
Note: One bank must always be active. You cannot  
deactivate all ten banks at the same time. If you try to  
deselect all the banks, the first bank is automatically  
selected.  
To restore a bank to active scanning, enter the banks  
number on your keypad.  
The banks indicator will display again.  
3. During normal scanning the  
SCAN  
scanner skips  
unprogrammed or locked  
out channels.  
CHANNELS  
1
2
3
4
5
6
7
8
9
10  
4. When a transmission is  
received, the scanner stops  
on that channel. When the  
transmission ends, scanning  
resumes automatically.  
Frequency  
Locked Out  
(L/O)  
Frequency  
not entered  
Another method is as follows:  
1. Press HOLD/MAN.  
2. While the VFO setting is in the channel mode, rotate the  
VFO until the desired channel is displayed.  
Note: When in Hold mode, you can use the VFO to step up  
or down through the channels. You can also switch  
from stepping up/down through channels to stepping  
up/down through frequencies by pressing the  
HOLD/MAN button for 2 seconds.  
Storing Frequencies During Scanning  
During Scanning  
1. Press HOLD/MAN.  
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31  
2. Press TRNSFR, and the smallest  
empty channel number flashes on  
the display.  
CH/  
FRQ  
HOLD/  
MAN  
RSM  
SCAN  
SERVICE  
SEARCH  
TRUNK  
MENU/BACK  
L/O  
3. Press E.  
REVERSE  
SELECT  
.
E
Note: If you want to change the  
channel, rotate the VFO.  
If the frequency you want to store exists already,  
WARNINGappears on the display and you will hear  
a beep. (See Duplicate Frequency Alerton page  
27).  
RF Attenuation Feature  
The BC250D comes with an RF Attenuation feature. If you're  
near an unusually strong signal source, the signal may  
overload the scanner. The scanner may stop repeatedly on  
that signal and miss other transmissions.  
The RF Attenuation feature works in all modes and attenuates  
(reduces) the incoming signal strength to prevent stronger  
signals from overloading the scanner.  
The RF attenuation is set at the Menu mode.  
1. Press MENU/BACK.  
2. For Search mode, select 1:SERVICE OPTION/  
:CHAIN SEARCH/4:ATTENUATOR/ 1:ONby  
rotating the VFO and pressing E.  
OR  
For Scan mode, select 2:SCAN OPTION/  
1:CONVENTIONALby rotating the VFO and pressing  
E. Then select the channel number by rotating the VFO  
and pressing E. Select 5:ATTENUATORby rotating the  
VFO and pressing E.  
3. Select 1:ONby rotating the VFO and pressing E.  
Note: Attenuation will only be active for the specified  
channel. In Search mode, it is applied to the search  
ranges in all banks.  
Setting the Delay Mode for Frequency  
The delay of 2 seconds is automatically set for each  
frequency. To set the delay feature, enter into the Menu  
mode.  
1. Press MENU/BACK.  
2. For Scan mode, select 2:SCAN OPTION/  
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32  
1:CONVENTIONALby rotating the VFO and pressing  
E.  
3. Select the channel number of the stored frequency to be  
delayed by rotating the VFO and pressing E.  
4. Select 2:DELAYand press E.  
5. Rotate the VFO to select 1:ONor 2:OFFand press E.  
6. For Search mode, select 1:SERVICE OPTION/  
:CHAIN SEARCH/3:DELAY by rotating the VFO  
and pressing E, then set to 1:ONor 2:OFFthe same  
way as the Scan mode setting.  
Channel Lockout  
You can lockout any channel so it is not checked during  
normal scanning. You can restore the channel to scanning  
when you wish.  
CH/  
FRQ  
Lockout in Hold Mode  
1. Press HOLD/MAN.  
2. Select a channel.  
HOLD/  
MAN  
RSM  
SCAN  
SERVICE  
SEARCH  
MENU/BACK  
TRUNK  
L/O  
a. Enter the channel number using  
REVERSE  
SELECT  
.
the keypad.  
E
b. Press HOLD/MAN again.  
C 001  
141.5000 NFM  
––– OR –––  
Rotate the VFO up or down to change  
the channel.  
UNIDEN Group A  
3. Press L/O to lockout the channel.  
L/Oappears on the display.  
Lockout in Scanning Mode  
If the scanner keeps stopping on a particular channel due to  
noise or frequent transmissions, you may want to keep that  
channel from scanning.  
1. Wait until the scanner stops on the channel.  
2. Then press L/O.  
3. The scanner immediately resumes scanning because the  
locked out channel is no longer in the scanning sequence.  
Lockout Tips  
Write down your locked-out channels and  
put in a convenient place in case you need  
to restore them.  
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33  
Restoring a Locked-out Channel  
1. Press HOLD/MAN.  
CH/  
FRQ  
HOLD/  
MAN  
RSM  
2. Select a locked out channel.  
a. Enter the channel number using  
the keypad.  
SCAN  
SERVICE  
SEARCH  
MENU/BACK  
TRUNK  
b. Then press HOLD/MAN again.  
L/O  
REVERSE  
SELECT  
.
3. Press L/O to unlock the channel.  
E
The L/Oicon disappears.  
Restoring All Locked-out Channels  
You can restore all locked-out channels in a bank only when a  
bank is selected for scan. If you have deselected a bank and  
you want to restore all of its locked-out channels using the  
steps below, you must press SCAN and then enter the  
number of the bank on your keypad.  
1. Press HOLD/MAN.  
Note: You must be in Hold mode before restoring all locked-  
out channels.  
2. Press and hold L/O for about 2 seconds.  
You will hear two beeps when all the channels have been  
restored.  
Priority Scan  
When Priority Scan is turned ON, your scanner checks the  
priority channel in the banks you selected every 2 seconds for  
activity. If a signal is present on the priority channel, your  
scanner monitors the channel until the transmission ends,  
then resumes normal scanning. You can designate one  
channel in each bank as a Priority Channel. By default, the  
first channel in each bank is the Priority Channel, but you can  
change this.  
To activate Priority Scan (in either the Hold or Scan Mode):  
1. Press PRI to select PRIORITY ON.  
PRIORITY ON  
Note: If you have locked out the priority  
channel, ERRORappears when  
you select Priority mode.  
C 010  
1240.0000 NFM  
ERROR  
2. Press PRI to select PRIORITY  
OFFto deactivate Priority Scan.  
PRI CH LOCKOUT  
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34  
Changing the Priority Channel  
You cannot eliminate the Priority Channel, but you can  
change it to any one of the 100 available channels in each  
bank.  
CH/  
FRQ  
1. Press HOLD/MAN.  
HOLD/  
RSM  
SEARCH  
MAN  
SCAN  
SERVICE  
2. Select a new Priority Channel:  
a. Enter the channel number using  
the keypad.  
MENU/BACK  
TRUNK  
L/O  
b. Then press HOLD/MAN again.  
REVERSE  
SELECT  
.
E
3. Press and hold PRI for 2 seconds to  
designate this channel as your new  
Priority Channel.  
C 001  
512.0000 NFM  
UHF TV 1  
Two beeps indicates that the Priority  
Channel has been changed. The P  
icon appears on the display.  
UNIDEN Group A  
Note: Priority in Trunking mode works just the same,  
except you set them for talkgroup IDs, instead of  
setting priorities for channels. The scanner only  
checks priority talkgroups between transmission,  
in 4 second intervals.  
Priority Scan is disabled while M, Eor L(Trunking  
type) icons are illuminated (a beep will sound if you  
try to scan). To make it possible, turn OFF each  
function then press PRI to select PRIORITY ON.  
Priority Channel Plus Scan  
You can scan only the Priority Channels (except for the lock  
out channels) in the banks you selected. To activate Priority  
Channel Plus  
(Only in Scan mode):  
1. Press PRI to select PRIORITY PLUS.  
2. Press PRI to select PRIORITY ONor PRIORITY  
OFFon the display to deactivate Priority Channel Plus  
Scan.  
Note: Priority or Priorty Plus Scan are disabled while Search  
mode is selected.  
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35  
Searching  
Setting a Search Range  
Note: First you must set the search ranges through the Menu  
screen prior to any searching.  
The BC250D can search up to 10 separate frequency ranges  
to help you discover new stations in your area.  
To set a Search Range, enter into the Menu mode.  
1. Press MENU/BACK.  
2. Select 1:SERVICE OPTION / :CHAIN SEARCH  
/ 2:SEARCH RANGE- by rotating the VFO and  
pressing E.  
3. Select a range number by rotating the VFO and pressing  
E.  
SRCH 12.5k  
1240.0000 NFM  
Range 1234567890  
4. Select 1:RANGEby rotating the  
VFO and pressing E. Enter the  
lowest frequency using the keypad  
and then press E, then repeat the  
same for the highest frequency.  
Then press SEARCH.  
––– OR –––  
Another method is as follows:  
1. Press and hold SEARCH for 2 seconds.  
2. Select -range number-1:RANGEand program the lowest  
and highest frequencies the same way as step 3 and 4  
above.  
Note: The scanner can continuously search up to 10  
ranges. (Chain Search)  
You can select or deselect the search range freely  
by pressing the corresponding number with the  
keypad.  
The scanner automatically increases its search  
speed from 100 to 300 steps per second for the  
bands having 5 kHz steps. (Turbo Search)  
After you have set the search range through the  
Menu the first time for a range, you will be able to  
set new ranges for the same range by using the  
keypad and the standard direct entry method.  
Searching feature is applied to Control Channel Only  
mode (see page 73).  
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36  
Caution: After you have entered the search range while still  
in the Menu mode, you can set your alpha tag (see  
page 28), change the step size of the search,  
change the mode or change the trunk set.  
Once the lower and upper parameters of your  
search are edited, the Menu screen backs up one  
level to allow you to modify the step size, receive  
mode, and alpha tag. Select 2:STEPSfor your  
step size choices and then press E.  
Select 3:MODEfor the receiver mode choices and  
then press E. Select 4:ALPHA TAGto enter an  
alpha tag using the VFO and then pressing E.  
Select 5:TRUNKto switch ON or OFF for trunk  
search.  
Starting Chain Search  
1. After setting the search ranges, select 2:SERVICE  
OPTION/ :CHAIN SEARCH/ 1:CHAIN SEARCH  
by rotating the VFO and pressing E.  
2. Select 1:ONby rotating the VFO and pressing E.  
3. Press SEARCH to search up to 10 ranges continuously.  
Note: If CHAIN SEARCHis OFF, only 1 range can be  
searched.  
When searching stops, press RSM to resume  
searching.  
When you rotate the VFO while searching, you can  
change the search direction to up or down.  
When searching in WFM, it will stop before reaching  
the desired frequency if the step is other than 50 kHz  
or 100 kHz.  
Search Hold Feature  
1. Press HOLD/MAN at anytime to stop  
SRCH 12.5k  
1240.0000 NFM  
Range 1  
the search.  
2. Press RSM or SEARCH to resume  
25cm Amateur Grp  
searching.  
Data Skip  
A scanner will normally stop on any transmission it receives.  
This means the BC250D will occasionally stop on data signals  
and unmodulated transmissions. You can automatically skip  
many of these types of transmissions during search. To  
activate the Data Skip feature, enter into the Menu mode.  
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37  
1. Press MENU/BACK.  
2. Select 3:SYSTEM OPTION/  
7:DATA SKIPby rotating the VFO  
and pressing E.  
SYSTEM OPTION  
5:PC CONTROL  
6:CLONE  
7:DATA SKIP  
3. Select 1:ONby rotating the VFO and  
pressing E.  
When Data Skip is active, your scanner may pause  
momentarily on an unwanted signal but will resume  
searching in 2 or 3 seconds. The Data Skip feature is  
active as well as Scan mode and Service Search mode.  
Data Skip does not function during AM/WFM band Scan,  
Chain Search for AM/WFM band, or WX Search, Priority  
Scan, and Trunking mode.  
Frequency Skip  
If a particular frequency continues to interrupt search  
scanning, it is possible to set your scanner to skip the  
frequency.  
To skip over a frequency, press L/O when stopping at the  
frequency you want to skip or when in Search Hold mode.  
Note: You can program up to 200 skip frequencies.  
The 201st skip frequency entered  
causes the first skipped frequency  
to unlock.  
CH/  
FRQ  
HOLD/  
MAN  
RSM  
SCAN  
SERVICE  
SEARCH  
MENU/BACK  
L/O  
TRUNK  
If all frequencies in the search  
range are set to skip, a beep  
sounds and it moves to Search  
Hold mode.  
REVERSE  
SELECT  
.
E
To resume searching:  
1) Cancel the Frequency Skip set.  
––– OR –––  
2) Reset the Search Frequency range.  
To cancel all skipped frequencies, press and hold  
L/O for 2 seconds in Search Hold mode.  
Storing Search Frequencies  
You can quickly store any frequency you find during Search.  
1. During Search, press HOLD/MAN to store or when the  
scanner stops on the frequency you want to store.  
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38  
2. Press TRNSFR to store the  
frequency in the channel you  
selected. The smallest empty  
channel number flashes on the  
display. If necessary, you can also  
change the channel by scrolling the  
VFO.  
SRCH 12.5k  
1240.0000 NFM  
Range 1  
C004 0000.0000  
3. Press E.  
Note: If the frequency you want to store exists already,  
WARNINGappears on the display and you will hear  
a beep. (See Duplicate Frequency Alerton page  
27.)  
After storing the frequency, it moves to the Search  
Hold mode.  
In case there is a not a free channel, the frequency  
you want to store will automatically be stored in the  
previous channel before you entered into Chain  
Search mode.  
4. Repeat steps 1, 2 and 3 after starting the search for all the  
search frequencies you want to store.  
Auto Storing  
The scanner automatically stores active frequencies if Auto  
Store feature is turned ON.  
But the frequencies already stored can not be stored.  
To make use of this feature, set a search range first (see  
page 37), then enter into the Menu mode. If you start this  
feature without setting a search range, NO LIMIT DATA  
appears on the display.  
1. Press MENU/BACK.  
2. Select 1:SERVICE OPTION/ :CHAIN SEARCH/  
6:AUTO STORE by rotating the VFO and pressing E.  
3. Select 1:ONby rotating the VFO and  
pressing E.  
AUTO STORE  
SELECT BANK  
12--56----  
4. Select the bank number you want to  
use with the keypad. The selected  
bank number appears on the display.  
Note: If the selected bank has no free  
channels to store, CH DATA  
FULLwill appear on the display  
and you will hear a beep.  
AUTO STORE  
ERROR  
CH DATA FULL  
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39  
6. Press SEARCH to start auto storing.  
C 001  
1245.8500 NFM  
7. After the search has gone through the  
search range, press HOLD/MAN to  
stop this feature. STORE END  
appears on the display. You may want  
to let it run through the search range  
several times because during the first  
pass there may not have been any  
transmissions at that particular time on  
that frequency.  
Bank 12--56----  
AUTO STORE  
Squelch (SQ) Mode  
The scanner can be set to the following SQ modes.  
Carrier SQ mode (default setting)  
The scanner will stop on any transmission or squelch  
opening, regardless of whether any subaudible tone has  
been programmed for the channel or search range.  
Tone SQ mode  
The scanner will stop on any active frequency for which  
either no subaudible tone has been programmed or for  
which the user-programmed subaudible tone is also active.  
Tone Search mode  
During any transmission, the scanner will begin searching  
all possible subaudible tones, one of which may also be in  
use. The scanner counts up through the CTCSS tones and  
instantly determines any possible DCS tone. See page 101  
for a listing of the tones that the BC250D decodes.  
Note: When Tone Search is active in Scan mode, once the  
CTCSSor DCSdisplay flashes a tone repeatedly  
(meaning that it has found the tone match), you can  
press E to program that frequency with the captured  
tone. When you change the mode to Tone SQ from  
Tone Search that frequency and tone will be  
programmed.  
Tone Lock (out) mode  
For either a Memory channel or a Search Range, you can  
lock a particular subaudible tone by pressing L/O after  
scrolling to the desired tone. The scanner will stop on any  
transmission except those which may be using the locked  
subaudible tone.  
To set your scanner, enter into the Menu mode.  
1. Press MENU/BACK.  
2. Select 3:SYSTEM OPTION/ 8:SQ MODEby  
rotating the VFO and pressing E.  
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40  
3. Rotate the VFO to select one type (1:CSQ, 2:TONE  
SQ, 3:TONE SEARCH) and press E.  
4. To set Tone Lock mode, do the following first, then select  
2:TONE SQin step 3.  
1) For Scan mode, select 2:SCAN OPTION/  
1:CONVENTIONAL- select the channel number -  
3:TONE DATA- 1:CTCSSor 2:DCS by rotating  
the VFO and pressing E. With CTCSS or DCS, Tone  
Lock ON is set by pressing L/O.  
2) For Search mode, select 1:SERVICE OPTION/  
:CHAIN SEARCH/ 5:TONE DATA/ 1:CTCSS  
or 2:DCSby rotating the VFO and pressing E. With  
CTCSSor DCSTone Lock ON is set by pressing L/O.  
Note: To set Tone Lock OFF for either Scan mode or  
Search mode, press E instead of pressing L/O on  
step 1) or 2) above.  
CTCSS: Continuous Tone Coded Squelch  
System.  
DCS: Digital Coded Squelch.  
For example, the scanner shows the following  
displays. When Search mode and Tone Search  
are selected, the display shows the frequency and  
tone data alternately.  
C 001  
512.0000 NFM  
CTCSS 250.3  
Bank 1  
C 001  
512.0000 NFM  
DCS 025  
C 001  
512.0000 NFM  
Bank 1  
Bank 1  
Tone SQ ON,  
CTCSS 250.3 Hz  
setting  
Tone SQ ON,  
DCS 025 setting  
Tone SQ ON,  
CTCSS & DCS  
non-setting  
C 003  
512.0000 NFM  
CTCSS 250.3  
C 003  
512.0000 NFM  
DCS 025  
C 003  
512.0000 NFM  
UNIDEN Group A  
UNIDEN Group A  
UNIDEN Group A  
Tone Search,  
CTCSS 250.3 Hz  
detecting  
Tone Search,  
DCS 025 detecting  
Tone Search,  
no signal received  
If the Delay feature has been set while in Tone  
Search mode, it resumes scanning after a 2 second  
delay.  
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41  
Additional Menu Options for Searching  
Each of these additional menu options applys to all search  
ranges entered. If there is a range that you do not want an  
option to apply, then simply enter the range number on the  
numerical keypad. You will see the range number that you  
have selected disappears from the display. (For more  
information on these options refer to the "Menu Descriptions"  
section and "Additional Features" section.)  
Options:  
ATTENUATOR (for more information see page 32).  
1. Press MENU/BACK.  
2. Select 1:SERVICE OPTION/ :CHAIN SEARCH/  
4:ATTENUATORby rotating the VFO and pressing E.  
3. Select 1:ONby rotating the VFO and pressing E.  
DELAY  
Refer to page 32.  
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42  
Service Search  
The Service Search feature allows you to scroll through the  
following twelve preprogrammed services. The frequencies  
selected for these services are the most commonly used  
around the U.S.  
1:WEATHER  
7:RAILROAD  
8:AIR  
2:PUBLIC SAFETY  
3:NEWS  
9:CB RADIO  
0:FRS  
4:TV BROADCAST  
5:HAM RADIO  
6:MARINE  
:RACING  
:SPECIAL  
1. Press SERVICE.  
––– OR –––  
Another method is as follows:  
To set Service Search, enter into the Menu mode.  
1. Press MENU/BACK.  
SERVICE OPTION  
1:WEATHER  
2. Select 1:SERVICE OPTIONby  
2:PUBLIC SAFETY  
3:NEWS  
rotating the VFO and pressing E.  
2. To start the Service Search, select one  
Service Search menu you want from the lists above by  
rotating the VFO and pressing E or directly enter the  
number listed above.  
Note: When you start Service Search by pressing SERVICE,  
you can start Service Search without pressing E.  
3. After a 3 second delay, searching begins for the selected  
service. If you want to start searching immediately, press  
RSM.  
4. To change the searched service, rotate the VFO or directly  
enter the number listed above after pressing SERVICE.  
Note: When you start searching, select :RACINGor  
:SPECIALby rotating the VFO and pressing E.  
You can not change such settings as Auto Delay,  
during a Service Search.  
You can enter one of the Service Search frequencies  
into Channel Memory by pressing TRNSFR when  
holding on one of the frequencies and pressing E.  
Special Frequencies are low-power, itinerant, FRS,  
"splinters" and other frequencies which are  
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43  
commonly used at special events and other locations  
and may or may not be licensed.  
When you rotate the VFO while the Service Search  
is active, you can change the search direction to up  
or down.  
During the search of one of the preprogrammed services, the  
lowest display line will indicate the service that you are  
searching. To stop the search, press HOLD/MAN. Rotate the  
VFO to move up or down one programmed frequency or  
press RSM to resume searching.  
Service Search Skip  
You can set the scanner to skip the unwanted frequencies  
during Service Search. 100 skipped frequencies are  
programmable.  
1. To skip over a frequency, press L/O when stopping at the  
frequency you want to skip.  
2. To cancel a skip during search, press HOLD/MAN, select  
the desired frequency by rotating the VFO, then press  
L/O.  
To restore all skipped frequencies,  
press and hold L/O for 2 seconds.  
SRVC  
--CH  
453.6000 NFM  
SERVICE SEARCH  
PUBLIC SAFETY  
Note: You can not skip a set frequency  
in WEATHERservice mode.  
If you start the service seaching while all frequencies  
in service search menu are set to skipped the  
frequencies, you hear a beep and the scanner  
moves to the Hold mode.  
NWR-SAME Alert  
In addition to the conventional weather broadcasts, your  
BC250D is compatible with NWR-SAME weather alert.  
When the scanner receives NOAAs Specific Area Message  
Encoding (SAME) coded weather emergency signal, it sounds  
the alert siren with a specified message. You must program  
your FIPS code to identify the specific area where you are  
located.  
1. Press MENU/BACK.  
2. Select 1:SERVICE OPTION/ 1:WEATHER/  
2:ALERTby rotating the VFO and  
pressing E.  
SRVC  
2CH  
162.6000 FM  
SERVICE SEARCH  
WX ALERT ON  
3. Select 1:ONby rotating the VFO and  
pressing E.  
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44  
Note: You can also set Alert mode to OFF by pressing RSM  
without entering the Menu mode.  
4. When the unit receives a warning signal, it shows a  
message with the alert siren defined. (For NWR-SAME  
EVENT CODE, see the table on page 99.)  
5. To deactivate, just press any key or it is automatically  
canceled and the alert siren stops.  
Testing the Alert Siren  
To test and recognize the difference between the types of  
alert sirens, perform the following steps:  
1. During WX Hold mode and when the WX ALT is OFF,  
press and hold the PRI key for 2 seconds until you hear  
the statement alert siren. SIREN TESTappears on the  
display and the statement, watch and warning sirens  
sound alternately.  
Note: The samples of each alert siren only last for a few  
seconds. You may need to listen to each siren several  
times to be sure you recognize the different sirens.  
The sirens continue to sound rotating through the  
samples until you silence the test.  
2. To stop the test, press any key.  
Make sure you can hear the siren in all areas that you would  
need to. If not, optional accessories can be purchased to  
ensure that you are alerted for emergency broadcasts.  
See your dealer or local electronics store for accessories.  
DO NOT USE EARPHONES TO LISTEN TO THE TEST.  
DAMAGE TO YOUR HEARING COULD OCCUR.  
Programming FIPS Code  
The 6-digit Federal Information Processing System (FIPS)  
codes established by the National Weather Service (NWS)  
must be programmed in your scanner. These codes specify  
an emergency and the specific geographic area (such as  
county) affected by the emergency.  
1. Press MENU/BACK.  
WEATHER ALERT  
2. Select 1:SERVICE OPTION/  
1:WEATHER/ 2:ALERTby  
rotating the VFO and pressing E.  
SELECT CODE No.  
FIPS CODE 1  
------  
3. Select 1:ONby rotating the VFO and pressing E.  
4. Select the desired memory number (FIPS CODE 1  
~15) by rotating the VFO and pressing E.  
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45  
When you rotate the VFO to move down when FIPS  
CODE 1is displayed or VFO to move up when FIPS  
CODE 15is displayed, ALL FIPSappears on the  
display.  
5. Enter the FIPS code using the keypad.  
6. Press E.  
.
Note: To cancel the entry, press  
(decimal key).  
To clear a stored FIPS code, press 0 and E  
successively  
To obtain the FIPS code for your area, contact the  
NWS toll free at 1-888-697-7263.(1-888-NWR-  
SAME) or visit their web site  
http://www.nws.noaa.gov/nwr/indexnw.htm  
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46  
Digital and Trunked  
Systems  
Your BC250D is designed to monitor APCO Project 25 digital  
communication systems (using optional BCi25D) and tracks  
three major types of trunked radio systems. These systems  
are described here.  
APCO Project 25 Systems - Digital systems which support  
the APCO Project 25 protocol developed by the  
Telecommunications Industry Association (TIA) and  
Electronic Industries Alliance (EIA). Systems can  
operate in conventional, trunked (3600) and mixed-  
modes (analog and digital) in any frequency band  
including UHF, VHF and 800 MHz.  
MOTOROLA - Including Type I, Type II, Hybrid,  
SMARTNET, and Privacy Plus.  
Motorola systems are widely used by public safety and  
business users. Most are on the 800 MHz band, and  
recent systems are appearing on other bands. (See  
page 69).  
EDACS - Including "Wideband" 9600 baud, and  
"Narrowband" 4800 baud systems.  
"Wideband" systems are mostly on the 800 MHz band,  
and are used by public safety, utilities, and business  
users. Some systems are used on the VHF and UHF  
bands.  
"Narrowband" systems are used in the 935-940 MHz  
band, many by utilities.(See page 64).  
EDACS SCAT - These systems are mainly used in the  
Midwestern United States and are one-channel  
trunking sites using the EDACS format.  
LTR - These systems are mostly for business users, and  
found on the UHF, 800 and 900 MHz bands. (See  
page 68).  
For details on the operation and programming for all of these  
systems, see pages 49-79.  
When tracking these types of systems, remember these  
important points:  
Your scanner defaults to monitor Motorola Type II systems;  
however, you can change this if the system in your area is  
different. (The types of systems are discussed below.)  
The frequencies for many of the trunked public safety  
systems are listed in the TrunkTracker National Public  
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47  
Safety Trunked System Frequency Guide included with your  
BC250D scanner. Frequencies sometimes change, check  
with www.bearcat1.com/free.htm.  
If you have internet access, you can visit  
scanner.uniden.com or www.bearcat1.com/free.htm for  
additional information, for current news and frequency  
information, about Trunk Tracking Scanning.  
* Motorola, SMARTNET, and PRIVACY PLUS are  
trademarks of Motorola Inc. EDACS is a registered  
trademark of the M/A - COM Inc. LTR is a registered  
trademark of E.F. Johnson Company.  
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48  
Programming and  
Receiving  
Digital and Trunked  
Systems  
There are three steps for programming a trunked sytem:  
1. Program the Trunk Type What type of system will the  
scanner be tracking, Motorola Type II, Type I, EDACS,  
LTR, etc.  
2. Program the Trunked Frequencies Within a trunked  
system, the frequencies are shared among all the users,  
called Talk Groups.  
Within the bank you decide which channels to program  
the trunked frequencies.  
3. Program the Talk Groups Within the trunked system,  
each agency or department is assigned a Talk Group ID.  
This ID must be programmed into the scanner in order to  
monitor that specific agency or department.  
When programming you decide which Locationto  
program the Talk Groups. This is similar to how you  
program frequencies into channels. Here you need to  
program Talk Group IDs into Locations.  
STEP 1:  
Selecting or Changing Trunking System Type  
Before using the Trunk Tracking system, you must select the  
bank and trunk type. You can only track one trunked system  
per bank, total of 10 trunked systems.  
1
Press MENU/BACK.  
Remember! You can also enter the  
Trunk Tracking Programming mode by  
pressing TRUNK.  
C 001  
OOOO.0000  
1:TRUNK TYPE  
2:TRUNK CHANNEL  
2. Select 2:SCAN OPTION/  
2:TRUNKby rotating the VFO and  
pressing E.  
C 001  
OOOO.0000  
1:TYPE2 800  
2:TYPE1  
3
Select the bank number using the  
keypad or the VFO and pressing E.  
4. Select 1:TRUNK TYPE/ 1:ON- and the system type  
you want to track by rotating the VFO and pressing E.  
For Type 1 System, you must enter the block and fleet  
numbers. Please refer to Programming a Fleet Mapon page  
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49  
71 for instructions.  
STEP 1 is complete.  
No. LCD display  
Icon TrunkingType  
Special requirements  
1
2
3
4
5
6
7
8
9
Type 2 800  
Type 1  
M
M
M
M
M
E
Motorola Type 2 800 MHz  
Motorola Type 1  
a. Must program a fleet map.  
Type 2 900  
Type 2 UHF  
Type 2 VHF  
EDCS WIDE  
EDCS NARROW  
EDCS SCT.  
LT  
Motorola Type 2 900 MHz  
Motorola Type 2 UHF  
Motorola Type 2 VHF  
EDACS Wideband 9600 baud  
EDACS Narrowband 4800 baud  
EDACS SCAT  
b. Must program base, spacing,  
frequency and offset channel.  
c. Must program frequencies  
in exact order and location.  
E
E
L
LTR  
Note: Information on APCO P-25 Systems are referred to in  
APCO Project 25 Receptionon page 76.  
STEP 2:  
Programming Trunking Frequencies  
After you finish selecting the bank and trunk type you want to  
track, store the frequencies in the channels for your selected  
bank in your scanner. Remember that you can only store one  
trunking system in each bank.  
Important: If you are programming an EDACS or LTR  
trunked system, you must enter the frequencies  
in a specific order. Check the frequency guide  
included with the scanner for the frequencies in  
your area. For additional frequencies, check the  
web sites listed on page 11.  
1. Press MENU/BACK.  
CH/  
FRQ  
HOLD/  
RSM  
MAN  
2. Select 2:SCAN OPTION/  
SCAN  
SERVICE  
SEARCH  
2:TRUNKby rotating the VFO and  
MENU/BACK  
TRUNK  
pressing E.  
L/O  
REVERSE  
SELECT  
3. Select the bank number by rotating the  
.
E
VFO and pressing E.  
4. Select 2:TRUNK CHANNELand  
enter the channel number by rotating the VFO and  
pressing E.  
5. Select 1:FREQUENCYand enter a frequency for the  
trunked system using the keypad and pressing E.  
6. Enter the alpha tag and press E. (See page 53).  
7
You can also change the step size in this menu.(See page  
103)  
Note: To clear a mistake while entering the frequency,  
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50  
.
press  
cleared.  
(decimal key) twice, and the display is  
If you enter a frequency which is  
out of the systems trunking  
range, a beep sounds and  
C 010  
0000.0000  
ERROR  
OUT OF BAND  
ERRORappears on the display.  
If you enter a frequency which has been stored in  
another channel, you will hear a beep and the  
channel stored displays WARNING(Refer to  
Duplicate Frequency Alerton page 27).  
STEP 2 is complete.  
STEP 3:  
Programming ID Scan Lists Manually  
Scan Lists  
Each bank of your BC250D can be a trunk tracking bank and  
it can be a conventional scanning bank. When you designate  
a bank as a trunking bank, your scanner sets up 10 Scan  
Lists, which are simply lists used to store your favorite Talk  
Group IDs. Each list can contain up to 10 IDs, so you can  
store a total of 100 IDs for each trunk tracking bank. (1000 if  
you use all the banks as trunking banks!)  
Scan Lists help you organize the trunking system users into  
categories. For example, you might use List#1 for police IDs,  
List#2 for fire department IDs, List#3 for emergency medical  
service IDs, etc. Once IDs are stored in lists, you can scan  
them like you scan conventional frequencies and you can  
lockout any one (up to 9) of the 10 scan lists by pressing the  
corresponding numeric key. When an ID is active, the scan list  
number will appear on the display. You can program your  
Scan Lists either manually or during Trunking Search mode.  
Check the web site www.bearcat1.com/free.htm for a  
complete list of talkgroups for your area that you can program  
into your Scan Lists.  
In order to program Talk Group IDs, you must first complete  
Step 1 – “Selecting or Changing Trunking System Type,  
page 49 and Step 2 – “Programming Trunked Frequencies,  
pages 50-51.  
1. Press MENU/BACK.  
2. Select 2:SCAN OPTION/ 2:TRUNKby rotating the  
VFO and pressing E.  
3. Select the bank number by rotating the VFO and pressing  
E.  
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51  
4. Select 3:TALK GROUPby rotating the VFO and  
pressing E.  
5. Select the ID location by rotating the VFO or using the  
keypad and then press E. You decide which location you  
want to place the Talk Group ID. (The first number  
represents the Scan List number and the second number  
represents the Memory Location number.) (Direct entry  
method example: enter "1-5" by  
M1-5  
.
pressing 1,  
(decimal key), 5.)  
------  
¡
6. Select 1:IDby rotating the VFO  
ENTER ID  
and pressing E.  
7. Enter the ID.  
Note: After you have programmed the ID in a selected  
location, while still in the Menu mode, you can set your  
Alpha Tag (see page 28), or turn ON the Beep Alert for  
an individual talkgroup (see page  
22).  
M5-0  
4128  
1216¡  
ENTER ID  
To enter a Type 2 Talk Group ID:  
1. Enter the ID you want to store.  
2. Press E.  
M5-0  
------  
To enter a Type 1 ID:  
050-2¡  
ENTER ID  
For a Type I ID, the block number, Fleet  
number and Subfleet number make up  
the talk group ID number. Please see page 98.  
1. Enter the ID you want to store. (ID= Block number + Fleet  
.
number +  
(decimal key) + Subfleet number)  
2. Press E.  
To enter an EDACS® ID:  
1. Enter the ID you want to store.  
E5-0  
.
Use the  
"dash".  
(decimal key) for the  
------  
09-022¡  
ENTER ID  
2. Press E.  
Hint: Remember that Uniden's AFS format allows you to  
enter full or partial EDACS IDs for powerful flexibility in  
all modes. Be sure to read the section "EDACS  
Reception" on page 64 to learn how this works.  
Note: The BC250D default to "AFS" talkgroup displays for  
EDACS® only.  
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52  
To enter a LTR ID:  
For a LTR ID, the Area Code, Home Repeat number and ID  
make up the talk group ID. Please see page 68 for more  
information.  
1. Enter the Area Code and then press  
L5-0  
.
(decimal key)  
------  
0-02-120¡  
ENTER ID  
2. Enter the Home Repeater number and  
.
then press  
(decimal key).  
3. Enter the ID you want to store.  
4. Press E.  
Note: To clear a stored ID while entering an ID, press 0 and  
E successively, and start over.  
Assigning a Text Tag to a Talk Group ID  
1. Press MENU/BACK.  
M5-0  
1216  
-------  
ENTER ALPHA TAG  
2. Select 2:SCAN OPTION/  
2:TRUNKby rotating the VFO and  
pressing E.  
3. Select the bank number by rotating the VFO and pressing  
E. You can also enter the Bank number by using the  
keypad bank.  
4. Select 3:TALK GROUPand ID location number by  
rotating the VFO and pressing E.  
5. Select 2:ALPHA TAGby rotating the VFO and  
pressing E.  
6. The cursor appears on the display. Rotate the VFO to  
change letters, and press HOLD/MAN or RSM to move  
right or left. Both capital and lower case letters are  
available, as well as numbers and punctuation marks.  
7. After entering the desired text, press E.  
Remember! To clear a mistake while entering the letters,  
.
press HOLD/MAN, RSM or  
(decimal key) repeatedly  
until the display is cleared.  
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53  
Setting the Squelch  
For trunked reception, a good setting for  
the SQUELCH control is in the center of the  
range with the color marker pointing up.  
See the illustration.  
If it is set too high (CCW) in some cases it could prevent your  
scanner from locking to the Control Channel reliably. If it is set  
too low (CW) it will slightly delay finding the Control Channel.  
The best setting is the same as for conventional reception,  
and is not critical.  
Receiving Trunked Systems  
When you have properly programmed all the frequencies for a  
trunked system, you can receive the system in several  
different ways. You will find that Search, Hold, Lockout,  
Scan and Delay are all similar to conventional scanning.  
ID SCAN lets you receive those talkgroups that you  
store in Scan Lists.  
ID SCAN HOLD lets you selectively listen to a  
talkgroup in your Scan Lists.  
TRUNKED SEARCH lets you hear all system talkgroup  
activity (unit-to-unit I-Calls may be received as well).  
This is the best way to get started.  
ID SEARCH HOLD works with Search mode to let you  
quickly freeze reception on an interesting transmission.  
Or you can manually specify a talkgroup with Direct  
Entry in ID Hold.  
ID LOCKOUT works with Search and Scan to exclude  
talkgroups that you don't want to hear.  
ID DELAY works with each talkgroup to be delayed for  
2 seconds when the communication ends.  
When receiving EDACS systems, remember that Uniden's  
AFS talkgroups give you powerful flexibility. In a few key  
presses, you can specify a single talkgroup, a fleet, or an  
entire agency in all the above modes. Read the section  
"EDACS Reception" to understand how this works.  
Hint: If the scanner is not in the Trunking mode, you can  
enter the Trunk Programming mode by pressing  
TRUNK. Pressing TRUNK in the Trunking mode will  
move to the Scan Hold mode.  
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54  
ID Scan Mode  
1. Press SCAN to begin scanning the  
ID SCAN  
867.9875 NFM  
List 1234567890  
lists you have programmed.  
If you haven't programmed more than  
2 IDs, ERRORappears on the display.  
2. To remove a Scan List from active scanning, press the  
number of the Scan List on your keypad.  
Hint:  
Press and hold RSM for 2 seconds, the scanner will  
move to the next trunking bank.  
The Scan List indicator turns Off, and the IDs in that list  
are not scanned.  
Note: One Scan List must always be active. If you try and  
deactivate all the Scan Lists, Scan List 1 will  
automatically be active.  
3. To restore a Scan List to active scanning, press its  
number again.  
4. Press SEARCH to return to Trunk Tracking Search mode.  
Remember! When you press and hold TRUNK for 2  
seconds, you can switch Trunk Tracking modes (Scan or  
Search).  
Note: While ID scanning, to change all trunking banks to  
the Service Search mode, press SERVICE.  
Selecting a Scan List is also possible in the Menu  
mode. (LTR only)  
ID SCANappears on the display during Trunk  
Scan instead of simply SCAN.  
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55  
ID Scan Hold Feature  
If you want to stop on a ID during ID  
scanning, press HOLD/MAN.  
M1-1:4128  
867.8375 NFM  
ID Tag  
If you want to resume scanning, press  
RSM.  
LIST Tag  
To directly access a specific channel:  
C1000  
0000.0000  
Bank 10  
There are several ways to access a  
specific ID quickly.  
1. Press HOLD/MAN.  
CH/  
FRQ  
HOLD/  
MAN  
RSM  
SEARCH  
2. By using the keypad or rotating the  
VFO, enter the ID location number  
(See page 51).  
SCAN  
SERVICE  
MENU/BACK  
TRUNK  
L/O  
REVERSE  
SELECT  
3. Press HOLD/MAN again.  
.
E
Trunked Search  
Once you have programmed all the frequencies for a trunked  
system, Search will let you immediately start hearing  
transmissions.  
Press SCAN, and select the bank(s) you wish to receive, just  
as you select banks in conventional scanning and ID  
scanning.  
Hint:  
Press and hold RSM for 2 seconds, the scanner will  
move to the next trunking bank.  
Talkgroups display differently in Motorola, EDACS and LTR  
systems. You should read the appropriate parts of this guide  
to understand the formats.  
The display indicates the bank and the type of trunked system  
you are monitoring. You can change this to display a bank tag  
by using the System Option menu.  
Regardless of the system, you won't know exactly who you  
are receiving until you listen for a while, or refer to frequency  
guides or internet sites such as www.bearcat1.com.  
Of course, figuring out who each ID represents is half the fun  
of TrunkTracking.  
Later, when you learn more about a system, you will want to  
store lists of talkgroups. Then you can scan specific agencies  
and users, and use the many other features your radio  
provides.  
ID Monitor Mode  
To enter Scan Hold mode for conventional system in the bank  
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56  
selected for a trunked system, press HOLD/MAN, and the  
radio will seek and acquire the trunked system control  
channel.  
ID Search Hold and Direct Entry ID Hold Mode  
Just like in Conventional Search, Hold lets you pause ID  
Search on an interesting transmission without storing the  
talkgroup into memory.  
If you hear an interesting ID during Search mode, and want to  
continue listening to it --  
Press HOLD/MAN to stop the search.  
If you want to listen to a specific ID, while in Hold mode --  
Use the keypad to enter the ID you want and press  
SCAN, RSM or SEARCH  
(SEARCH key can not be  
used for EDACS).  
M ID:4128  
867.8375 NFM  
MOT ID:8192  
Bank:04 MOT TYP2  
If you want to resume searching --  
Press RSM to return to Search  
mode.  
Note: ID Hold feature is also applied to ID Scan mode.  
ID Lockout  
Like conventional scanning, its possible to lockout unwanted  
traffic. This is particularly important in trunked systems  
because in many areas, water meters, door alarms, traffic  
signals, and other mechanical devices are assigned IDs just  
like other users. Also some departments scramble or  
encumber their communications, and you  
M1-1:4128  
867.8375 NFM  
MOT ID:8192  
may want to lock out these unintelligible  
broadcasts.  
To Lockout an ID, press L/O when the LIST Tag  
ID you want to lockout displays.  
The ID is locked out. You can  
Lockout up to 200 IDs.  
Note: If you Lockout an ID in Search mode, it is also locked  
out in Scan List mode.  
Conversely, if you Lockout an ID while in Scan List  
mode, it is locked out in Search mode. For information  
about Scan Lists see page 51.  
EDACS BLOCKOUT is a powerful form of ID LOCKOUT  
that can be used only with AFS and EDACS systems. This  
feature lets you lockout entire Agencies or Fleets, not just  
individual talkgroups. Using ID BLOCKOUTyou can, for  
example, prevent Search from stopping on any of hundreds of  
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57  
talkgroups in the Utilities agency. You can do this with just a  
few key presses. To use ID BLOCKOUTjust enter the  
Agency- part, or the Agency-Fleet part, of the talkgroup code  
and press L/O. For example, to Blockout Agency 4 in Trunk  
.
Search, press HOLD/MAN, 0, 4,  
(decimal key), and then  
L/O. For other ways to use partial AFS entry, be sure to read  
the section "EDACS Reception".  
Review ID Lockout  
You can check all IDs already locked out.  
1. Press MENU/BACK.  
––– OR –––  
1. When you press and hold L/O for 2 seconds in trunking,  
you can also check all IDs locked out.  
L
2. Select 2:SCAN OPTION/  
2:TRUNKby rotating the VFO and  
pressing E.  
LT ID:0-02-042  
L/O ID REVIEW  
3. Enter the bank number using the  
keypad and pressing E.  
4. Select 6:L/O ID REVIEW.  
Restoring Locked-out IDs  
To unlock a single ID, follow these steps:  
1. Press MENU/BACK.  
2. Select 2:SCAN OPTION/ 2:TRUNKby rotating the  
VFO and pressing E.  
3. Select the bank number by rotating the VFO and pressing  
E.  
4. Select 6:L/O ID REVIEWand the locked out ID you  
want to unlock by rotating the VFO.  
5. Press L/O. The ID is unlocked and the next locked ID  
displays.  
To unlock all locked out IDs in a bank once:  
1. Press L/O for 2 seconds after selecting 6:L/O ID  
REVIEWin step 4.  
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58  
Reverse Key  
For Motorola and EDACS system; to change your display  
between the Scan List indicators and trunk bank display,  
press REVERSE.  
ID SCAN  
ID SCAN  
867.9875 NFM  
List 1234567890  
867.9875 NFM  
Bank 1234567890  
BANK:10 MOTTYP2  
For LTR systems only, the talkgroup must be active in order  
to change the Scan List and bank indicators. If the talkgroup  
is not active, change the Scan List by using the Menu screen.  
Setting the Delay Mode for Trunking Mode  
The delay of 2 seconds is automatically set for each talkgroup  
for ID Scan mode and ID Search mode. To set the delay  
feature, enter into the Menu mode.  
1. Press MENU/BACK.  
2. Select 2:SCAN OPTION/ 2:TRUNKby rotating the  
VFO and pressing E.  
3. Select the bank number by rotating the VFO and pressing  
E.  
4. Select 4:DELAYand pressing E.  
5. Select 1:ONor 2:OFFby rotating the VFO and pressing  
E.  
Note: If you want to verify the Delay mode setting, press and  
hold MENU/BACK for 2 seconds in Trunking mode.  
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59  
Setting Priority in Trunking Mode  
You can set priority in your trunking lists, just as you do in  
your conventional ones. You can set the priority by pressing  
and holding PRI for 2 seconds in ID Scan Hold mode.  
After youve set up your Scan List, press PRI to activate it.  
Its very similar to conventional priority although there is no  
"interrupt" during the transmissions. Priorities are checked in  
between transmissions.  
With Priority ON, you can hold on an ID in your Scan List,  
such as Scan List 6, memory position 7, and the scanner will  
check all the priorities in all the active Scan Lists in between  
any transmissions on the ID on which youre holding. The  
lowest numbered priority will be checked first. For example,  
the Priority ID in List 1 will be checked before the Priority in  
List 2, etc.  
Note: This function does not work in LTR tracking.  
Programming Scan Lists During Search  
To select a Scan List location and store an ID during Search  
mode, follow these steps:  
1. When your scanner stops on an ID  
M ID:4128  
867.8375 NFM  
ID tag  
you want to store, press HOLD/MAN.  
Bank:04 MOT TYP2  
2. Press TRNSFR and the smallest  
M ID:4128  
867.8375 NFM  
empty Scan List appears on the  
display, then press E. In case you  
MOT ID------  
want to change the memory location,  
LIST:01 No.01  
you can change it by rotating the  
VFO.  
3. Press RSM to return to Trunk Tracking Search mode.  
Deleting a Stored ID  
To delete a stored ID:  
a. Press HOLD/MAN in the ID  
Scan mode.  
M1-1  
851.0375 NFM  
b. Rotate the VFO to select the  
Scan List location you want to  
delete.  
LIST:01 No.01  
c. Press 0.  
d. Then press E.  
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60  
Moving between Scan List Memories  
There are a number of ways to step and move through your  
Scan List memories:  
1. Press HOLD/MAN in the ID Scan mode and rotate the  
VFO to move to up or down.  
2. Or, press HOLD/MAN in the ID Scan mode, next press  
0-9 (scan list number), then press 0-9 (memory position).  
For example to move to Scan List 4, memory position 10,  
press: HOLD/MAN, 4, 0, HOLD/MAN  
Set Activity ID to ON, when your scanner finds an active ID  
during a transmission the active ID appears every 0.5  
seconds.  
I-Call (Motorola/EDACS)  
I-Calls are direct unit-to-unit transmissions that are not heard  
by other system users. Your BC250D can receive these  
transmissions. How you receive I-Calls depends on whether  
you are in Search or Scan mode.  
During I-Call reception the display will show the Unit ID  
number of either the transmitting or receiving mobile unit, not  
a talkgroup. Unit IDs will display differently according to the  
type of trunked system, and will replace the n's shown here.  
EDACS and MOTOROLA TYPE 1  
MOTOROLA TYPE 2  
innnnn  
7nnnnn  
Hint -- There are thousands of Unit IDs in typical systems,  
but relatively few I-Calls at a given moment, so it is  
normally best to let the scanner receive any I-Calls  
without trying to specify particular units.  
I-CALLS IN SEARCH MODE  
In Search mode, the scanner default is that I-Call reception is  
OFF. This means that I-Calls will not be received until you  
program them to be ON. You have three choices for  
controlling I-Call reception. Through the Menu system, go to  
2:SCAN OPTION / 2:TRUNK - select bank number -/  
8:I-CALL, and make your selection.  
The menu choices are:  
I-CALLs  
TALKGROUPS  
1
ON  
YES  
Received normally Use this choice to receive I-Calls  
together with normal  
talkgroup traffic.  
2
3
OFF Not received Received normally This is the BC250D default  
ONLY YES  
NOT RECEIVED  
Use this setting to listen to I-Calls,  
and block all talkgroup reception.  
For quick access to this mode,  
.
press  
(decimal) then RSM.  
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61  
You can hold any I-Call IDs. Because you can only hold on  
one ID, and there are two IDs involved in any I-Call  
communication (the transmitting and the receiving units), you  
might not hear the full conversation, but you probably will.  
In Search mode, when you hear an interesting I-Call,  
.
you can enter the instant shortcut  
(decimal key)  
then RSM to enter I-Call Only mode. This blocks all  
talkgroup traffic and lets you hear just the I-Call.  
To return to normal reception, you must use the Menu  
system to select the ONor OFFoption.  
Note: When storing I-Call IDs, remember that the ID will be  
for only one of the units either the transmitting or  
receiving unit. Unless you specifically want to receive a  
certain ID, it might be better to use the special code in  
the HINT below.  
I-CALLS IN SCAN AND HOLD MODE  
You can store I-Call IDs in Scan Lists, just like talkgroup IDs,  
for use by ID Scan and Scan Hold modes. To program a  
specific I-Call Unit ID into a Scan Lists:  
EDACS or Motorola Type 1  
.
Press  
(decimal key) followed by the Unit ID digits,  
then E.  
Motorola Type 2  
Press 7 followed by the Unit ID digits, then E.  
HINT - There is a special code to let you receive all I-Call  
.
IDs with a single Scan Lists entry. Simply press  
(decimal key), 0, E. This will store the special code  
i0in an EDACS Scan Lists, or 700000in a  
Motorola Scan Lists or Digital. Then, whenever you  
Scan this entry, or select it in Hold mode, the scanner  
will receive any active I-Calls, regardless of the Unit  
IDs.  
Note: Motorola I-CALL tracking performance may vary  
between systems.  
Multi-Track  
The BC250D allows you to track more than one system at a  
time. Here are some highlights of this feature:  
You can actually track up to 10 trunking systems at  
one time.  
You can trunk, scan, or search and scan conventional  
frequencies at the same time.  
You can program conventional frequencies in the same  
bank as trunking systems.  
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62  
After the scanner finishes checking a trunked system  
for activity, it will conventionally scan the other  
frequencies in the bank (remember, only trunking  
frequencies are programmed in Trunk mode).  
To scan a mix of trunking and conventional banks, select the  
banks you wish to be active, and then press SCAN. The  
scanner will instantly begin scanning. If you have not  
programmed a trunking bank with talkgroup IDs, you will  
receive NO ID (----)message for that bank.  
You can switch to Search mode and the scanner will search  
for any active IDs on the system.  
Note: To switch ID Scan or ID Search, press and hold  
TRUNK in the trunked system.  
Multi-Track Operational Details  
When more than one trunk system is active (for example two  
or more trunked systems or a trunked system and one or  
more conventional frequencies), the radio jumps between  
systems/frequencies as follows:  
TRUNK SCAN: The scanner moves to a trunked system  
and looks for IDs in your Scan List(s) for up to 1 second.  
If it finds no activity on your programmed talkgroups, it  
moves on to conventional channels in the same bank or to  
the next active bank.  
If the scanner finds that a talkgroup in one of your active  
Scan Lists, you will begin to hear that communication and  
the scanner will of course display the proper talkgroup  
number and any alpha tag. When the communication  
ends, the scanner will wait for 2 seconds for any further  
replies and, if none, the scanner will move to the  
conventional channels in the same bank or to the next  
bank. The scanner will not look for any other IDs within the  
same trunked system (as this would slow the scan  
process). If you press RSM while you are listening to one  
ID, the scanner will check to see if another ID in your Scan  
List is active. It will disregard the ID to which you were just  
monitoring.  
TRUNK SEARCH: This mode works similarly to Trunk  
Scan. If the scanner finds any (non-locked-out) ID when  
it checks the control channel, you will hear it. You will then  
hear any replies that follow within 2 seconds. After that the  
scanner will move on and not continuously search the  
system for additional IDs (on busy systems you would never  
leave the system if this were the case). If you press the  
RSM key while monitoring one ID, the radio will check if any  
other IDs are active (it will disregard the ID you just left),  
and if none are active, it will move on.  
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63  
EDACS® Reception  
EDACS® Tracking  
TrunkTracker III now allows tracking of EDACS® trunked  
systems. Until now these widely used systems have been  
almost impossible to monitor with a conventional scanner.  
With your TrunkTracker III listening to EDACS(s) is  
remarkably easy, and perhaps even easier than conventional  
scanning.  
EDACS systems use 'Transmission Trunking', which means  
that each transmission is assigned a new frequency. As the  
conversation moves through the system's frequencies, your  
TrunkTracker III automatically follows it.  
This chart shows a 30 second sample of EDACS  
transmissions. Eight different talkgroups are using the system  
as their transmissions switch between the thirteen system  
frequencies.  
Notice how the dotted line shows talkgroup 02-023 moving  
from channel to channel. Your BC250D can clearly and  
automatically follow this talkgroup, or any other, as you select.  
EDACS systems are organized in a logical way that keeps  
related talkgroups together. Your scanner is designed to take  
maximum advantage of this organization to make your  
scanning easy. It lets you zero in on just the part of the  
system you want to hear, whether it is an individual channel  
or an entire department or city.  
Programming EDACS System Frequencies  
When you program EDACS frequencies, it is critical that you  
store each one in the CORRECT LOCATION. By the nature  
of EDACS systems this is necessary for tracking. This often is  
not the frequency order, so you must be sure you have the  
right sequence. Sources for this information can be found at  
scanner.uniden.com.  
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64  
An EDACS® Trunked system  
This chart shows how talkgroups are  
organized within an EDACS system  
at the Agency level. The individual  
talkgroups cannot be shown at this  
scale because there are over 2000.  
However the chart can show the 16  
Agencies in this example. The system is  
logical and easy to understand. EDACS  
systems are typically arranged in an  
outline structure.  
The system users are given blocks of  
talkgroups. Sizes vary but most large  
cities and other agencies have blocks of  
128 channels. Smaller cities have only  
64 or 32 channels.  
In this example, the County Sheriff is  
agency 01. The city of Sullivan is  
Agency 03. Adams Hill and Matthew  
Junction share Agency 08.  
Your scanner shows EDACS talkgroups  
in AFS (Agency-Fleet-Subfleet) format.  
This helps you see, at a glance, who  
you are monitoring. And with the partial-  
entry feature you can easily include  
nearby, related channels in the same  
Fleet or Agency. You can just as easily  
exclude entire unwanted Fleets and  
Agencies.  
When in Search mode, with the system frequencies  
programmed, and your scanner locked to the control channel,  
you can select a desired city by keying in the Agency part of  
the AFS talkgroup. For example, you can select the entire city  
.
of Sullivan with 4 key presses 0, 3,  
(decimal key),  
SEARCH.  
When you hear an interesting talkgroup, capture it to your  
Scan List by pressing TRNSFR and E during the  
transmission.  
Or hold on it by pressing the HOLD/MAN key.  
If you want to monitor the Sullivan Police Dispatch channel  
.
(which is talk group 03-062), press 0, 3,  
(decimal key),  
0, 6, 2, RSM or SCAN.  
Your scanner can also work in decimal format.  
This talkgroup in decimal format is 434. But decimal format does  
not give you any information about the system hierarchy.  
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65  
For example Sullivan, in decimal, uses channels from 384 to  
511. This is not as easy to remember as Agency 03.  
But decimal is useful if you need to work from decimal talkgroup  
lists. To turn Emargency Alert ON/OFF, enter into the Menu  
mode. Select 2:SCAN OPTION / 2:TRUNK-select bank  
number-9:EMERGENCY ALT / 1:ONor 2:OFFby  
rotating the VFO and pressing E.  
Special EDACS® Features  
AFS Partial Entry Feature  
AFS is Uniden's method of encoding EDACS talkgroups.  
AFS stands for 'Agency-Fleet-Subfleet'.  
AFS talkgroups are used in all EDACS reception -- in ID  
Search, ID Lockout and ID Scan Scan Lists. The powerful AFS  
Partial Entry feature designed into the BC250D lets you use  
either a complete talkgroup code, or just the most significant  
part.  
This feature lets you expand or  
narrow searching and  
scanning to one of 4 levels.  
By entering only the desired part  
of an AFS talkgroup,  
you can select 2048 talkgroups,  
128 talkgroups, 8 talkgroups, or a  
single talkgroup.  
For example, you could program every talkgroup in a police  
department with just 4 key presses. You can use the AFS  
Partial Entry feature anywhere that you need to specify  
EDACS talkgroup.  
Your BC250D can also enter or display EDACS talkgroups in  
decimal format (0-2047).  
Select 2:SCAN OPTION / 2:TRUNK- select Bank  
number - / 0:EDCS ID FORMby rotating the VFO and  
pressing E. And change it to 2:DECIMALand press E. You  
can use this feature to translate decimal talkgroups lists to the  
much more powerful AFS format.  
Examples of how you might use AFS are shown above in the  
description of an EDACS trunked system, and elsewhere in  
this manual. It is very easy to use. Be sure to become familiar  
with AFS Partial Entry, and your scanning will become far  
more flexible and efficient.  
Emergency Call Alert  
Your BC250D alerts you when an EDACS Emergency  
transmission occurs.  
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66  
EDACS systems often provide users with an 'Emergency'  
mode on their radios. Users in trouble can alert the dispatcher  
and other units and get priority access to the radio system.  
When a user activates Emergency mode, EMERGENCYwill  
flash the display during the entire transmission. At the  
beginning of each transmission it will sound a distinctive  
emergency alert tone three times. To turn Emergency Alert  
ON/OFF, enter into the Menu mode. Select 2:SCAN  
OPTION/ 2:TRUNK- select Bank number -  
9:EMERGENCY ALT/ 1:ONor 2:OFFby rotating the  
VFO and pressing E.  
Patch Tracking  
The BC250D can follow EDACS patched talkgroups.  
EDACS systems sometimes bring several talkgroups together  
in a 'Patch'. A patch might be used by a police agency at night  
to provide a single channel with a single dispatcher for a wide  
area. A patch is created when a single, temporary talkgroup  
substitutes for the original talkgroups. While the patch is  
running, which may be for hours or days, the original  
talkgroups cease to be used. If you were monitoring one of  
these talkgroups, you might think there was no traffic, but in  
fact the talkgroup was operating at the different temporary  
number.  
If a talkgroup in your Scan List is patched, your scanner will  
continue to receive it under its new identity until the patch has  
ended. When a patch is being received, the radio will display  
PATCH ID, and will show the temporary common talkgroup  
plus all the included talkgroups in a cycling display.  
The BC250D is limited to following two patches.  
The temporary talkgroups used for patches are usually found  
in AFS code 15-xxx, and sometimes 00-xxx.  
EDACS SCAT  
With the EDACS SCAT feature turned ON, the data stream  
transmissions will be eliminated allowing you to clearly  
monitor the voice communications on EDACS SCAT systems.  
To monitor EDACS SCAT systems you only need to turn this  
feature 8:EDCS SCT.ON with designated frequency.  
You do not need to enter group IDs.  
Note: As EDACS SCAT is different from the other tracking  
feature, and it is not a feature which the scanner  
tracks any ID, you do not need to program Talk Group  
ID in the Menu mode.  
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LTR® Reception  
LTR® Tracking  
LTR® (Logic Trunked Radio) systems are trunking systems  
used primarily by business or private communications service  
providers, such as taxicabs, delivery trucks, and repair  
services. These systems encode all trunking information as  
digital subaudible data that accompanies each transmission.  
Users on an LTR system are assigned to specific talkgroups,  
which are identified by the radio as six digit numbers.  
These numbers are in the form AHHUUU, where:  
A= Area code (0 or 1)  
H= Home repeater (01 through 20)  
U= User ID (000 through 254)  
When the scanner receives a transmission on a channel set  
to the LTR mode, it first decodes the LTR data included with  
the transmission. In the ID Search mode, the scanner stops  
on the transmission and displays the talkgroup ID on the  
display. In the ID Scan mode, the scanner only stops on the  
transmission if the LTR data matches a talkgroup ID that you  
have stored in the banks talkgroup ID list and have not  
locked out.  
LTR systems are frequently programmed so that each radio  
has a unique ID code.  
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68  
Motorola Reception  
Motorola Tracking  
There are really two types of Motorola trunking systems.  
These are usually referred to as Type I and Type II systems.  
Type I only occurs on some 800 MHz systems. All VHF, UHF  
and 900 MHz trunking systems use Type II.  
One important distinction between these two systems is the  
amount of data transmitted by each radio when its push-to-  
talk button (PTT) is pressed. Every radio in a trunked system  
is assigned a unique ID so the central site computer can  
identify it when its used. Both Type I and Type II systems  
place radios (or radio users) into groups, called talkgroups,  
and these talkgroups are also assigned unique IDs. Some  
radios have access to only one talkgroup, while others have  
access to many talkgroups. The talkgroup(s) each radio can  
access is called the radios affiliation(s).  
In a Type II system, when someone uses their radio, only the  
radio ID is transmitted when PTT is pressed, whereas in a  
Type I system the radio ID and its current affiliation are both  
transmitted when PTT is pressed.  
Why the difference? Type II systems are slightly more  
advanced because the central computer maintains a database  
which is used to determine each radios affiliation(s).  
Changes to a Type II system are easier than Type I because  
the system manager only needs to update the database  
instead of reprogramming individual radios.  
Another difference between the systems is that Type I  
systems are arranged in a Fleet-Subfleet hierarchy.  
For example, its possible for a city using a Type I system to  
designate 4 Fleets, each with 8 Subfleets. Their fleets might  
be the Police Department, the Fire Department, Utilities, and  
Administration. The Police may decide to further divide their  
fleet into subfleets such as Dispatch, Tactical Operations,  
Detectives, North, South, East and West Side Patrols, and  
Supervisors. All the available police radios would then be  
assigned to one of the police subfleets. Determining the exact  
Fleet-Subfleet hierarchy for a particular area is referred to as  
Fleet Map Programming, which is discussed further in this  
manual.  
The disadvantage of a Type I system is that when PTT is  
pressed, the brief burst of data must contain the radios ID  
and its Fleet and Subfleet. This is three times the amount of  
data a Type II system radio sends, and as a result Type I  
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69  
systems usually accommodate fewer users than Type II  
systems.  
Even though there are many Type II systems, Type I systems  
are still in use. There are also Hybrid systems which are a  
combination of both Type I and Type II. Your scanner defaults  
to monitor Type II systems, but its possible to select a  
Preprogrammed Fleet Map or create a Custom Fleet Map for  
your area.  
For VHF and UHF Type II trunking systems, you will need to  
know the base, spacing frequencies and offset channels.  
See page 72 for details.  
Fleet Map Programming  
If you have programmed a trunk tracking bank for Motorola  
type and press SCAN to start Multi-Track, you will see user  
IDs display on the display. Since the BC250D defaults to Type  
II systems, all the IDs will appear as numbers. However, if you  
notice a mix of odd and even user IDs, for example 6477,  
2560, 6481, 6144, 1167, etc., then you are probably  
monitoring either a Type I or Hybrid systems. These systems  
are applied only when STATUS BIT is OFF (see page 73).  
You may also notice that you are missing responses when  
you hold on an active ID. Unlike Type II, Type I/Hybrid  
systems require a Fleet Map that sets specific Fleet-Subfleet  
parameters. It is easy to select a Fleet Map for your scanner;  
what is not always easy is selecting or programming a map  
that matches your particular area.  
There are 16 preset Fleet Maps listed in the appendix that  
you can choose, and these are usually a good place to start  
when setting up a Type I/Hybrid trunk tracking bank. If you  
choose a preset map and still have difficulty following  
complete conversations, then you'll have to program your own  
Fleet Map.  
Selecting Preset Fleet Map  
M 001  
867.8375 NFM  
1:TYPE2 800  
2:TYPE1  
1. Select 2:TYPE1for the Trunk Type.  
(Refer to "Selecting or Changing  
Trunking System Type" on page 49.)  
M 001  
867.8375 NFM  
SELECT  
PRESET1  
2. Select the map you want to  
program by rotating the VFO and  
pressing E.  
The scanner returns to the other programming items.  
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Note: You will now begin to see Type I Fleet-Subfleet IDs.  
For example, 100-12, 100-9, 000-12, 400-8, etc.  
See "User Defined Fleet Maps in the Appendix" for  
more information about Type I IDs.  
How do you know if the preset map is correct? You will have  
to listen to see if you're following complete conversations.  
If not, you should try another preset map.  
Programming a Fleet Map  
You may want to read "User Defined Fleet Maps" in the  
Appendix before programming a Fleet Map. It contains a  
detailed explanation of Scanner Fleet Map Programming, as  
well as a table listing the Fleet Map Size Codes.  
1. Select 2:TYPE1for the Trunk Type.  
(Refer to "Selecting or Changing  
M 001  
867.8375 NFM  
1:TYPE2 800  
2:TYPE1  
Trunking System Type" on page 49.)  
2. Select USER CUSTOMby rotating  
M 001  
the VFO and pressing E.  
867.8375 NFM  
SELECT FLEET MAP  
USER CUSTOM  
3. Select the size code for the first block  
by rotating the VFO.  
4. Press E.  
M 001  
867.8375 NFM  
BLOCK 0  
The next available block displays.  
5. Repeat step 3 and 4 until you have  
selected a size code for each block.  
For details about each size code,  
see "Fleet Map Size Codes"  
in the Appendix.  
SIZE CODE 0  
Programming a Hybrid System  
A Hybrid system is simply a Type I system with some blocks  
designated as Type II blocks. To program a Hybrid system,  
follow the steps listed in "Programming a Fleet Map" in the  
previous section. However, if you want a block to be Type II,  
select Size Code S-0.  
When you begin searching a trunking bank with a Hybrid Fleet  
Map, you will see both types of system IDs. That is, Type II  
IDs usually appear as an even number without a dash; Type I  
IDs appear as a three or four digit number, followed by a  
hyphen, followed by a one or two digit number.  
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Setting the Base, Spacing Frequencies and  
Offset Channel for Motorola  
VHF/UHF Trunked Systems  
To properly track Motorola VHF and UHF trunked systems  
you must enter what is known as the base, the spacing  
frequencies and offset channels for each system.  
To find these out, check the scanner.uniden.com or  
www.bearcat1.com/free.htm and other web sites and  
frequency resources.  
To enter the Base, Spacing Frequencies and Offset Channel:  
(You can set up to three sets of these, but almost all systems  
only use one set)  
1. Press MENU/BACK.  
2. Select 2:SCAN OPTION/ 2:TRUNKby rotating the  
VFO and pressing E.  
3. Select the bank number by rotating the VFO and pressing  
E.  
4. Select 1:TRUNK TYPE/1:ON/ 4:TYPE2 UHFor  
5:TYPE2 VHFby rotating the VFO and pressing E.  
5. Select BASE CONFIGfrom 1 - 3 by  
M
406.0000  
rotating the VFO and pressing E.  
ENTER FREQUENCY  
BASE FREQUENCY 1  
6. Enter a new Base Frequency with the  
keypad.  
7. Press E.  
The display changes for entering the  
Spacing Frequency.  
M
50.0  
ENTER FREQUENCY  
SPACE FREQUENCY1  
8. Enter a new Spacing Frequency with  
the keypad.  
Note: You can only enter within a range of 5-100 kHz, and  
5 or 7.5 or 12.5 kHz multiples.  
9. Press E.  
The display changes for entering the Offset Channel.  
10. Enter a new Offset Channel with the  
keypad. The Offset Channel for the  
first set should be CH380.  
M
CH 380  
ENTER CHANNEL  
OFFSET CHANNEL1  
Note: You can only input within a range  
of 380-759.  
11. Press E.  
The display changes for entering the Base Frequency.  
12. To exit from this mode, press MENU/BACK repeatedly.  
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Note: If the system is not tracking properly, you may need  
to try a new Base Frequency or Offset Channel or  
you may be missing frequencies from the system.  
You can set up to three Base, Spacing and Offsets  
for Motorola VHF/UHF trunked systems.  
Toggling the Status Bit  
On Type II trunking systems there is a method by which  
specialized types of communications utilize unique talkgroup  
numbers. An emergency call will occur on a unique talkgroup  
from its primary assignment, for example. Because the  
BC250D defaults to Status-Bit ON mode, you never need to  
worry about missing these transmissions. If you have  
programmed talkgroup 33264 into Scan List memory, for  
example, and there is an emergency call within the group,  
you will hear it on 33264.  
The only time you may wish to turn Status Bits OFF is if  
you're trying to figure out the proper Fleet Map of a Type I  
trunking system. To turn Status Bits OFF, enter into the Menu  
mode and select 2:SCAN OPTION/ 2:TRUNK- select  
bank number - / 9:STATUS BIT. (This feature does not  
apply to EDACS and LTR operation within the scanner.) Then  
rotate the VFO to change the setting (1:ONto 2:OFF) and  
press E to program your change.  
Control Channel Only Mode  
When this function is activated, trunking is performed using  
Control Channel data only. Voice channel (also known as  
"DATA channel") frequencies do not have to be programmed  
into memory. This feature only applies to Motorola 800 MHz  
and 900 MHz systems.  
To turn this function on, choose Motorola 1:TYPE2 800  
or 3:TYPE2 900or 2:TYPE1in the Menu mode. Then  
set to the desired control plan by selecting 2:SCAN  
OPTION/ 2:TRUNK- select bank number - / :CNTRL  
CH ONLY.  
You must choose one of 4 frequency plans (only when 800  
MHz systems is selected) before you begin to Control  
Channel Trunk. The default, Plan 1, is the most common.  
Read the description of the Plans below for details on which  
may apply for you.  
PLAN 1: Use Plan 1 if the last three digits of ALL the  
frequencies in use end in one of the following three digits:  
125, 375, 625, or 875 (example: 856.1125, 860.7375,  
859.6625, 855.8875).  
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PLAN 2: If the last three digits of frequencies are less than  
869.0000 and end in one of the following three digits (125,  
375, 625, or 875) and if ANY other frequencies end in (000,  
250, 500, or 750) use Plan 2.  
PLAN 3: If the last three digits of ALL the frequencies in  
use end in one of the following three digits (000, 250, 500,  
or 750) use Plan 3.  
PLAN 4: If the last three digits of frequencies are less than  
866.0000 and end in one of the following three digits (000,  
250, 500, or 750) and if ANY other frequencies end in (125,  
375, 625, or 875) use Plan 4.  
Of course you will know the Control Channel frequency itself  
so that will help you determine the proper plan. If you try one  
plan and you receive errors (such as the scanner jumping to  
channels that are obviously not part of the system), you  
should try an alternate Plan.  
Note: In Chain Search mode, Control Channel Trunk is  
activated in the Menu mode (See page 18). You must  
choose one of 4 frequency plans. This plan applies  
only when the scanner searches the 800 MHz range.  
Since a default plan is automatically used when the  
scanner searches the 900 MHz range, a user does  
not need to select a plan.  
Note: You can assign a Fleet Map to TYPE 1 or Hybrid  
systems scanned in Control Channel Only mode by  
going into the Menu. You can also program IDs, set a  
delay, alpha tags and all the other parameters for  
systems scanned in this mode. You can then either  
search the system to find new IDs or you can  
program IDs into memory and then scan them.  
Note: The Control Channel Only feature is an extremely  
powerful tool. You can use it to determine if systems  
you are familiar with may have added new  
frequencies or you can use it to discover new  
systems by simply finding active control channels  
(using Search) and then programming them for  
Control Channel operation only.  
Remember that this feature only applies to Motorola  
800 and 900 MHz systems, that you do have to set  
the Menu for the proper system type (800 MHz of  
Type 1 or Type 2 or 900 MHz) and you do have to  
program the Control Channel frequency into Memory.  
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74  
Disconnect Tone Detect Option (End Code)  
When this function is disabled, the radio looks for squelch  
before returning to the Control Channel instead of waiting for  
the Disconnect Tone. Only in rare instances will you need to  
adjust the default settings.  
The condition to return to Control Channels depends on  
whether the signal is present or not.  
To set this function to ON / OFF, select 2:SCAN OPTION  
/ 2:TRUNK- select bank number - / 0:END CODE.  
Select 1:DETECTor 2:IGNORE.  
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75  
APCO Project 25  
Reception  
APCO Project 25 is a modulation process where voice  
communications are converted into digital communications.  
This conversion is similar to the technology used with digital  
mobile phones. There are several types of Project 25 systems  
available! Systems the Uniden BC250D supports are listed  
below.  
- Conventional one frequency with digital voice.  
- Trunked with analog control channel and digital voice –  
Many frequencies shared by many departments and the  
control channel is analog with digital voice. Control channel  
operates at 3600 Baud.  
- Mixed mode trunked (3600) system with an analog control  
channel alternating / mixing analog and digital voice  
communications.  
Note: Do not install the APCO card with the AC Adapter  
connected.  
Installing the APCO P-25 Card  
1. Turn OFF the  
scanner, and open  
the cover.  
2. Carefully unplug the  
battery pack.  
3. Insert the APCO card  
with the label (the  
side APCO P-25  
DIGITAL CARDis  
printed) facing up as  
shown.  
4. Carefully connect the  
battery pack,  
matching the red and  
black wires with the  
corresponding  
Red/Black plug.  
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76  
5. Replace the cover and press down until it clicks into place,  
and then turn ON the scanner.  
APCO P25 CARD INSTALLEDappears on the  
display.  
Installation is complete. You can monitor APCO Project 25  
systems.  
To use the P-25 card, you must program each channel for  
Conventional mode or Trunking mode.  
- Conventional modeSee Storing Frequencies into Channels  
in Menu Modepages 26-27.  
- Trunking mode –“Programming and Receiving Digital and  
Trunked Systemspages 49-51.  
Precautions for Installing the BCi25D Card  
1. Do not touch the BCi25D card without first removing the  
static electricity from your body. To do this, touch any  
metal object to release static electricity build-up before you  
touch the BCi25D card.  
2. Turn OFF the scanner, before inserting the BCi25D card  
into the slot.  
3. Hold the BCi25D card by its edges when inserting it into  
the slot.  
4. Do not touch any of the terminals. The BCi25D is a  
sensitive electrical device.  
5. Do not operate with an open battery compartment cover.  
This exposes the circuitry to dust and other environmental  
particles that causes the unit to function improperly.  
6. When you remove the BCi25D card, pull out the card by  
the ribbon.  
Turning ON/OFF the APCO P-25 Card  
Once the P-25 Card has been installed, the P-25 Card will be  
actively turned ON. To turn the P-25 Card ONor OFF”  
follow these instructions:  
1. Press MENU/BACK.  
2. Select 3:SYSTEM OPTION/ 0:P-25 CARDby  
rotating the VFO and pressing E.  
3. Select 0:P-25 CARD/ 1:ENABLEor 2:DISABLE  
by rotating the VFO and pressing E for your desired  
operation.  
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77  
APCO P-25 Sound Quality Fine Tuning  
With each APCO Project 25 system, particularly at 800MHz,  
the sound quality (C4FM Demodulation Threshold) may need  
to be fine tuned specifically for that system. If the scanner is  
not adjusted correctly, the P-25 voice transmissions will sound  
robotic or unintelligible.  
To adjust the sound quality to match the P-25 system you  
want to monitor follow these four steps:  
1. While monitoring a specific APCO P-25 frequency,  
press the HOLD/MAN key.  
Note: In the Trunking mode, press the TRUNK key  
instead of the HOLD/MAN key.  
2. Press and hold the number 9 key.  
3. On Line 1 of the screen you will see SOUND  
QULTY: 0050(for example).  
SOUND QULTY:0050  
867.8375 P25  
Low Mid Upp  
0533 1985 3342  
This shows the Sound Quality. The lower the level the  
better the Sound Quality. For better Sound Quality  
rotate the VFO up or down. As the threshold adjusts in  
increments of 50 at the bottom of the screen watch the  
Sound Quality level increase or decrease and continue  
to rotate the VFO until you have achieved the lowest  
Sound Quality level.  
Note: When APCO P-25 signal is not received,  
SOUND QULTY: ****appears on the  
display.  
You must have the BCi25D card installed and  
have an APCO P-25 signal during this  
adjustment.  
- A chart showing the Threshold Adjustment  
Range is listed below.  
Threshold Adjustment Range  
Lower  
Default  
533  
633  
930  
Mid  
Default  
1985  
1985  
2147  
Upper  
Default  
3342  
3342  
3464  
Band  
800MHz  
UHF  
Min  
33  
33  
Max  
1883  
1883  
2130  
Min  
Max  
3842  
3842  
4064  
1992  
1992  
2264  
VHF  
330  
Note: The above Min and Max values are  
the calculated values that can be  
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78  
assigned theoretically, and the values  
are not to guarantee the operation of  
the unit.  
The Mid threshold value will not change while  
adjusting the upper and lower limits.  
4. Once you have adjusted the Sound Quality to the  
lowest possible level, press the E key.  
Press the RSM key to exit the Sound Quality  
Adjustment Mode.  
.
* To cancel the adjusted threshold level, press  
(Decimal) key.  
* The adjusted threshold level for the current frequency  
can be set back to the default value by pressing and  
.
holding the  
(Decimal) key.  
* When you change the Sound Quality it affects all  
other APCO P-25 signals in that same band. (UHF,  
VHF, or 800MHz)  
* You cannot enter the Sound Quality Fine Tuning”  
mode when the scanner is operating as follows:  
1) The receiving frequency is 0 MHz.  
2) Air Band Frequency  
3) BCi25D card is not inserted  
4) BCi25D / P-25 monitoring is disabled  
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79  
Remote Interface  
You can communicate and program your BC250D in  
numerous ways with peripheral devices using the Remote  
Interface Cable port. This radio offers the following modes:  
PC Control Mode  
Program and control your scanner from a PC using  
Unidens E-Scanner software.  
Clone Mode  
Clone all the frequencies, trunking talkgroups, and fleet  
maps programmed into your scanner to another BC250D  
scanner or BC785D.  
PC Control Mode  
To connect Scanner to PC:  
CH/  
FRQ  
HOLD/  
RSM  
MAN  
SCAN  
SERVICE  
SEARCH  
MENU/BACK  
TRUNK  
L/O  
REVERSE  
SELECT  
.
E
Plug the smaller end of the supplied Remote Interface Cable  
into the remote port in accordance with the direction of the  
mark which is on the right side of the scanner. Plug the other  
end of the cable (DB-9 serial connector) into a personal  
computers serial port. A few PCs may require an adapter,  
most will not. Of course, make sure your PC is turned ON.  
To program your scanner:  
You can program and control your scanner remotely from  
a PC using Unidens E-Scanner software.  
After connecting the scanner to a PC, turn the scanner ON.  
To use the Remote (PC Control) mode, you must install  
Unidens E-Scanner software and use as directed. Make sure  
that your scanner is connected to the serial port of the PC  
using the Remote Interface Cable.  
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Start Remote Mode and Change Transfer Speed:  
Through the Menu system, select  
3:SYSTEM OPTION/ 5:PC  
CONTROLby rotating the VFO and  
pressing E. To start Remote mode,  
choose from the transfer speed list  
except for 5:OFF.  
SPEED  
3:9600 bps  
4:19200 bps  
5:OFF  
A unique feature of the BC250D is that all the front panel keys  
as well as the VFO on the radio remain operational in Remote  
mode.  
For information on purchasing cables, connectors, and E-  
Scanner software to program and control your BC250D, you  
can contact the following:  
Uniden Parts Department (800) 554-3988  
(Hours are from 7:00 a.m. to 5:00 p.m. Central Time  
Monday through Friday)  
scanner.uniden.com  
PC Control Parameter  
For your information:  
Transfer speed : 2400/4800/9600/19200 bps (adjustable)  
Start/Stop  
Data Length  
Parity bit  
: 1 bit, 1 bit  
: 8 bit  
: None  
Code  
Flow Control  
Return Code  
: ASCII code  
: None  
: Carriage Return only  
Clone Mode  
You will need to purchase a Gender Changer and a null  
modem adapter. Gender Changer cables are available as  
male to male or male to female. Even if the Gender Changer  
you buy already has the male to male connectors, you will still  
have to have the null modem adapter. On the next page you  
will see the pin connections that are internal to a standard  
device. (These items are available at your local electronics  
stores.)  
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81  
To connect the Scanner to Scanner:  
Null Modem Adapter  
Pin connections  
Plug the smaller end of each of the  
supplied Remote Interface Cables into the  
remote ports in accordance with the  
Male  
DB9  
Female  
DB9  
4
3
1
2
3
4
direction of the  
marks which are on the  
2
right sides of each of the two scanners.  
6 & 1  
5
5
6
7
8
9
Plug the other ends of the cables (DB-9  
serial connector) together using a DB-9 to  
DB-9 null modem adapter, and a Gender  
4
8
7
Not used  
Changer Cable available at most computer stores.  
CH/  
FRQ  
CH/  
FRQ  
HOLD/  
MAN  
HOLD/  
MAN  
RSM  
SEARCH  
RSM  
SCAN  
SERVICE  
SCAN  
SERVICE  
SEARCH  
MENU/BACK  
TRUNK  
MENU/BACK  
TRUNK  
L/O  
L/O  
REVERSE  
.
SELECT  
E
REVERSE  
.
SELECT  
E
You can clone all of the programming of one BC250D into  
another, including frequencies, talkgroup IDs, alpha tags,  
delay settings, etc. After connecting the two scanners,  
turn the radios ON. Prepare each scanner for clone mode as  
follows.  
1. Press MENU/BACK.  
2. Select 3:SYSTEM OPTION/ 6:CLONEby rotating  
the VFO and pressing E.  
3. Determine the scanner that has the frequency data that  
you want to transfer. This one must be set up as the  
"Master Unit", and the other must be set as the "Slave  
Unit".  
4. On the scanner that is the "Master  
CLONE  
SELECT UNIT  
MASTER  
SLAVE  
Unit", select MASTER, then press E.  
5. On the scanner that is the "Slave  
Unit", select SLAVE, then press E.  
CLONE  
SELECT UNIT  
MASTER  
SLAVE  
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82  
6. Press SCAN on both scanners.  
The data transfer begins from the  
Master Unit to the Slave Unit.  
CLONE  
== >  
MASTER UNIT  
During the data transfer, both  
scanners show the following  
displays.  
CLONE  
== <  
SLAVE UNIT  
When the data transfer is complete,  
COMPLETEdisplays.  
CLONE  
COMPLETE  
MASTER UNIT  
If the data transfer is not successful,  
the following error message will  
appear.  
CLONE  
ERROR  
MASTER UNIT  
.
Note: To clear ERROR, press  
(decimal key).  
To exit the Clone mode, press MENU/BACK  
repeatedly.  
Note: Once you have completed the cloning of the scanners,  
reset the scanners by turning the scanners OFF and  
then ON again. This is particularly important to know if  
you wish to Clone another scanner right away.  
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83  
Additional Features  
The following additional features are designed for you to  
customize your scanner. Once these features have been  
turned ON or OFF, they will remain as they are set until you  
reset them, even if you turn the scanner OFF and then ON  
again.  
Dimmer  
To change brightness of the display:  
1. Press MENU/BACK.  
2. Select 3:SYSTEM OPTION/ 1:DIMMER/  
1:DIMMER LIGHTby rotating the VFO and pressing  
E.  
3. Select one from 1:HIGHor 2:MEDIUMby rotating the  
VFO and pressing E.  
To change lighting time:  
1. Press MENU/BACK.  
2. Select 3:SYSTEM OPTION/ 1:DIMMER/  
2:DIMMER TIMEby rotating the VFO and pressing E.  
3. Select 1:15 SECONDSor 2:INFINITEby rotating  
the VFO and pressing E.  
Enter Lock  
You can lockout the keypad to prevent re-programming of  
channels, talkgroups and tones (see page 92).  
1. Press MENU/BACK.  
2. Select 3:SYSTEM OPTION/ 4:ENTER LOCKby  
rotating the VFO and pressing E.  
3. Select 1:ONby rotating the VFO and pressing E.  
Key Lock  
Key Lock prevents accidental key entries except the following  
keys (KEYLOCK, HOLD/MAN and RSM).  
1. Press and hold  
for 2 seconds to turn KEYPAD  
LOCK ONor KEYPAD LOCK OFF, and then you will  
hear two beeps.  
If you press any key (except KEYLOCK, HOLD/MAN and  
RSM) when Key Lock is ON, KEYPAD LOCK ON  
appears on the display.  
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84  
Key Beep Option  
To choose key beep sound 1:ONor 2:OFF:  
1. Press MENU/BACK.  
2. Select 3:SYSTEM OPTION/ 3:KEY BEEPby  
rotating the VFO and pressing E.  
3. Select 1:ONor 2:OFFby rotating the VFO and pressing  
E.  
Screen Mask  
The trunk, frequency, receiving mode, and signal meter  
indications on the display are masked when this feature is  
activated (except while in Search mode). This feature reduces  
the amount of displayed information.  
Note: While Screen Mask is ON, Enter Lock is active.  
1. Press MENU/BACK.  
2. Select 3:SYSTEM OPTION/ 2:SCREEN MASKby  
rotating the VFO and pressing E.  
3. Select 1:ONor 2:OFFby rotating the VFO and pressing  
E.  
Reverse Mode  
This key will allow you to observe the reverse frequency of  
the repeater. While pressing REVERSE, the standard pair  
frequency will be displayed. For a list of the standard pair  
frequencies, refer to the table "Reverse List" in the Appendix.  
If the frequency that you have chosen does not have an offset  
frequency, the display will indicate ERRORand NO  
REVERSE. This feature does not work in the Weather  
Search mode.  
Channel Step Selection  
You can set channel steps, 5 kHz - 100 kHz or Auto, in  
Conventional mode or Chain Search mode. The default  
receive mode should be the proper mode setting in almost  
all cases. You may wish to set some VHF channels for NFM  
mode, depending on any adjacent channel interference  
problems. WFM is typically only used for broadcast  
frequencies such as TV audio or FM radio.  
See STEPSin "Menu Description" for details.  
Mute On/Off  
To manually turn ON the Mute function, press and hold MUTE  
until MUTE ONis displayed.  
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85  
You will not hear any audio. This feature does not function in  
the WX Alert mode, because the audio is already muted. To  
turn it OFF, press and hold MUTE again.  
Receiving Mode Selection  
You can also set the receiving mode, AM or FM etc., in  
Conventional mode or Chain Search mode.  
See MODEin "Menu Description" for details.  
Frequency and Channel Tuning with the VFO  
Control  
The VFO knob can be used for stepping through frequencies  
or stepping through memory channels (for Conventional  
channels or Talkgroup ID Scan Lists).  
To switch the setting for the VFO control, press and hold  
HOLD/MAN for 2 seconds. This will change modes from  
Channel to Frequencies or Frequencies to Channels.  
1. In Conventional mode, when the setting for the VFO is  
channel, rotate the VFO to move up (to step up through  
channels) or down (to step down through channels). If you  
are in Trunk Manual mode, you will step through Scan List  
memory locations.  
2. In Chain Search mode, when the setting for the VFO is  
frequency, rotate the VFO to move up to step up through  
frequencies sequentially or to down to step down through  
frequencies. To change the step, you will need to go into the  
Chain Search menu and adjust the step for the desired  
memory location.  
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86  
Care and Maintenance  
General Use  
Turn the scanner OFF before disconnecting the power.  
Always write down the programmed frequencies in the  
event of memory loss.  
If memory is lost, simply reprogram each channel.  
The display shows 000.0000 in all channels when there has  
been a memory loss.  
Always press each button firmly until you hear the entry  
tone for that key entry, unless you have turned 2:OFFthe  
3:KEY BEEPin the menu system.  
Location  
Do not use the scanner in high-moisture environments such  
as the kitchen or bathroom.  
Avoid placing the unit in direct sunlight or near heating  
elements or vents.  
If the scanner receives strong interference or electrical  
noise, move it or its antenna away from the source of the  
noise. If possible, a higher elevation, may provide better  
reception.  
Cleaning  
Disconnect the power to the unit before cleaning.  
Clean the outside of the scanner with a mild detergent.  
To prevent scratches, do not use abrasive cleaners or  
solvents. Be careful not to rub the LCD window.  
Do not use excessive amounts of water.  
Repairs  
Do not attempt any repair. The scanner contains no user  
serviceable parts. Contact the Uniden Customer Service  
Center or take it to a qualified repair technician.  
Birdies  
All radios can receive birdies (undesired signals). If your  
scanner stops during Scan mode and no sound is heard, it  
may be receiving a birdie. Birdies are internally generated  
signals inherent in the electronics of the receiver.  
Press L/O to lockout the channel, and then press RSM  
to resume scanning.  
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87  
Troubleshooting  
If your BC250D is not performing properly, try the following  
steps.  
Problem  
Suggestion  
Scanner won't work.  
1. Check the connections at both ends of the AC Adapter.  
2. Turn ON the wall switch of your room. You could be  
using an outlet controlled by the wall switch.  
3. Move the AC Adapter to another wall outlet.  
4. Check to see if Key Lock is ON (see page 84).  
Improper reception.  
Scan won't stop.  
1. Check the antenna connection.  
2. Move the scanner.  
3. You may be in a remote area which could require an  
optional multi-band antenna. Check with your dealer or  
local electronics store.  
1. Adjust squelch threshold - refer to page 15, "Setting the  
Squelch".  
2. Check the antenna connection.  
3. Check to see if many of the channels are Locked Out.  
If so, the scanner has less chance of finding an  
active channel.  
4. Review each channels frequency to see if it is still  
stored in Memory and is correct.  
5. Its possible that none of the programmed frequencies  
are currently active.  
Scan won't start.  
1. Press the SCAN key again.  
2. Adjust the SQUELCH control.  
3. Check to see if all channels are Locked Out.  
Weather Scan won't work. 1. Adjust squelch threshold - refer to page 15, "Setting the  
Squelch".  
2. Check the antenna.  
If you experience difficulty while in TrunkTracker mode, try the  
following steps.  
Problem  
Suggestion  
1. Missing the Data Frequenc.y  
Scanner won't track.  
2. Change to a Type 1 Scanner setup.  
Review "Fleet Map Programming" on page 70.  
Scanner won't stop  
1. No IDs have been programmed.  
during Scan List mode.  
2. The IDs you have stored are not active.  
Scanner will not acquire 1. Adjust the squelch for Trunking mode.  
data channel.  
See page 54.  
2. Missing the frequency used for the data channel.  
Check your frequency list.  
Missing replies  
1. Change to a Type 1 scanner setup.  
to conversations.  
Review "Fleet Map Programming" on page 70.  
2. Try another Preset Fleet Map or Program your own  
Fleet Map.  
3. Check to see that all of the systems frequencies  
have been entered.  
Channel Activity  
Indicators are flashing  
but no sound is heard.  
1. May be a telephone interconnect call, which are  
intentionally blocked by your scanner.  
2. The ID on your display is not active.  
Scanner not tracking  
an EDACS system  
properly.  
1. Logical channel numbers (frequencies) for the system  
are not programmed in the correct order.  
Check frequency resources and reprogram.  
2. Not all frequencies for the system are programmed.  
Check frequency resources.  
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88  
Problem  
Suggestion  
APCO P25 CARD  
NOT INSTALLED  
appear when the scanner  
is turned ON.  
1. Check to see if the P-25 Card is properly installed.  
Neither APCO P25  
CARD INSTALLED  
nor APCO P25 CARD  
NOT INSTALLED  
appear when the scanner  
is turned ON.  
1. Check to see if the P-25 Card Mode is 1:ENABLE  
or 2:DISABLEin the Menu mode.  
Scratchy or robotic sound 1. Move to a location where the signal strength is  
is heard during  
strong.  
communications.  
2. Modulation accuracy of transmissions sent can be  
low.  
Digital communication is  
not heard.  
1. Verify the accuracy of the frequencies of the P-25  
system you are trying to monitor.  
2. You might be in a dead-spot for the P-25 system you  
are trying to monitor. Check other locations in the  
area.  
DATA sound is heard at  
the beginning of digital  
communications.  
1. APCO project 25 systems can send data before  
voice communication.  
2. Data sound can be heard when signal strength is  
weak.  
Robotic sound is heard.  
1. Check to see if the ENCmessage appears on the  
display.  
The scanner doesnt monitor encrypted voice  
communications.  
When CARD ERROR  
appears every 10 seconds  
while you are using P-25  
Card.  
1. Re-install the P-25 Card.  
If you still cannot get satisfactory results while using your  
scanner or if you want additional information, please call or  
write the Uniden Parts and Service Division. The address and  
phone number is listed in the warranty at the end of this  
manual. If you would like immediate assistance, please call  
Customer Service at (800)297-1023.  
If you have internet access, you can visit  
scanner.uniden.com for additional information.  
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89  
Specifications  
Certified in accordance with FCC Rules and Regulations Part 15,  
Subpart C, as of date of manufacture.  
Channel:  
1000  
Banks:  
10 (100 channels each)  
Service Bands:  
12 preprogrammed search bands  
(including the NOAA Weather  
Service band)  
Frequency Range:  
25.0 - 27.995 MHz  
28.0 - 53.99 MHz  
AM  
FM  
54.0 - 71.95 MHz  
72.0 - 75.995 MHz  
76.0 - 87.95 MHz  
WFM  
FM  
WFM  
WFM  
AM  
FM  
FM  
WFM  
FM  
AM  
88.0 - 107.9 MHz  
108.0 - 136.975 MHz  
137.0 - 161.995 MHz  
162.0 - 173.9875 MHz  
174.0 - 215.95 MHz  
216.0 - 224.995 MHz  
225.0 - 399.95 MHz  
400.0 - 512.0 MHz  
806.0 - 823.9875 MHz  
NFM  
NFM  
849.0125 - 868.9875 MHz NFM  
894.0125 - 956.0 MHz  
1240.0 - 1300.0 MHz  
NFM  
NFM  
+
Operating Temperature:  
Scan Rate:  
20 °C to 60 °C (4°F to 140°F)  
100 channels per second MAX.  
(conventional mode)  
Search Rate:  
100 steps per second MAX.  
(Normal Search)  
300 steps per second MAX.  
(Turbo Search)  
Scan Delay:  
2 seconds  
Audio Output:  
240 mW nominal  
(8internal speaker)  
38 mW nominal  
(32stereo headphone)  
9 mW nominal  
(64earphone)  
Internal Speaker:  
8 ohms (36 mm outer diameter)  
Power Requirements:  
AD600U AC Adapter  
(12V DC, 500mA)  
or  
4.8V DC 1500mAh (internal battery)  
Rubber Antenna (included)  
BNC type  
Antenna:  
Antenna Jack:  
External Jacks:  
DC 12 V Power Jack  
(center is positive)  
Remote Jack  
Earphone Jack  
Size:  
Weight:  
65mm (W) x 45mm (D) x 153mm (H)  
350 g (12 3/8 oz.)  
Features and specifications are all subject to change without notice.  
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90  
Glossary of Terms  
Alpha tag - This term refers to an alphanumeric text tag that  
you can enter to describe the individual frequencies that  
you have programmed. Rather than having to associate a  
specific frequency to the individuals that are using it, you  
can enter the actual name of the group. This will eliminate  
the need for memorizing the groups frequency.  
Attenuator - This scanner comes with a feature to attenuate  
or reduce the signal strength. The built-in attenuator can be  
turned on specific frequencies to prevent strong signals  
from overloading the scanner input, possibly damaging the  
scanner or missing other transmissions due to the repeated  
stopping on the stronger signal.  
Clone - This term identifies the ability to set up a duplicate  
scanner. This function allows you to clone all the  
programming information, including frequencies, talkgroups  
and alpha tags as well as bank settings and other  
parameters from one BC250D to another or BC785D.  
Control Channel - This is the frequency within a trunking  
system that runs the system. On Control Channels  
(sometimes called Data Channels) you will hear a buzz saw  
sound. For the most part, it is the sound of the systems  
central computer directing talkgroups to particular voice  
(working) frequencies within the system.  
CTCSS - (Continuous Tone Controlled Squelch System)  
refers to a system where the radio receivers are equipped  
with tone responsive devices which allow audio signals to  
appear at the audio output, select voice processing such as  
scrambling or control repeater functions only when a carrier  
modulated with a specific tone is received. This method  
may be used to restrict access to the repeater or receiver,  
or reduce interference where several stations with output  
frequencies in close proximity of each other make it difficult  
to hear the conversation you are interested in. With CTCSS  
squelching, you can eliminate the possibility of hearing  
unwanted conversations by selecting one of the 38 standard  
subaudible tones. You will only hear those transmissions  
that have been programmed on specific frequencies with  
the specific subaudible tone that you have selected.  
DCS - (Digital Controlled Squelch) refers to a system where  
the radio receivers are equipped with data burst responsive  
devices which allow audio signals to appear at the audio  
output, select voice processing such as scrambling or  
control repeater functions only when a carrier modulated  
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91  
with specific data burst is received. This method may be  
used to restrict access to the repeater or receiver, or reduce  
interference where several stations with output frequencies  
in close proximity of each other make it difficult to hear the  
conversation you are interested in. With DCS squelching,  
you can eliminate the possibility of hearing unwanted  
conversations by selecting one of the 104 standard data  
burst subaudible tones. You will only hear those  
transmissions that have been programmed on specific  
frequencies with the specific subaudible tone that you have  
selected.  
Enter Lock - This is the term used for locking the keypad.  
This prevents accidental re-programming of channels and  
talkgroups entered into memory. The default setting is OFF.  
When ENTER LOCK is enabled, the following functions will  
be disabled:  
Enter or modify the Memory Channel frequency  
Enter or modify the Tone information  
Enter or modify the Trunking ID. ( this can be modified  
through the menu screen.)  
FIPS Codes - For the purpose of broadcasting weather  
information, the NWS (National Weather Service) has  
divided the United States into regions by state and county  
(or parish, where applicable) then assigned a 6 digit FIPS  
code to identify each county or parish. The first digit  
represents the county subdivision, the next two represents  
the state, and the last three digits represent the county or  
parish. Your scanner can receive all SAME alert signals  
broadcasted within about a 50-mile radius of where you  
install it. So if you only want to hear the counties that are  
nearest to your area, you can choose specifically the FIPS  
code of areas that you want. This lets you avoid hearing  
warnings that apply to an area within a 50-mile radius but  
not necessarily in your county or parish.  
I-Call - Most communications within a trunked system are  
group calls where one unit (such as a dispatcher)  
communicates with all the units within her group (all the  
patrol vehicles on the east side of town, for example).  
The units within this group comprise what is typically known  
as a talkgroup. There are some communications which are  
direct unit-to-unit conversations where one individual  
converses with another individual. The call is initiated by a  
radio and is directed to another single radio. Within the  
system, no one outside of these two users hears the  
conversation. This call is referred to as I-Call.  
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92  
Key Beep - This is another term for the tone you hear as a  
keypad acknowledgement beep. The default setting is on.  
If you have turned the Key Beep off, you now have a silent  
keypad. You will not hear a tone each time you press a key.  
NWR S.A.M.E. Weather Alert - In 1994, the National  
Oceanic and Atmospheric Administration (NOAA) began  
broadcasting coded signals called FIPS (Federal  
Information Processing System) codes along with the  
standard weather broadcasts for stations in your area.  
These codes identify an emergency and the specific  
geographic area (such as your county) affected by the  
emergency. The scanner was developed with SAME  
(Specific Area Messaging Encoding) technology.  
This allows you scanner to receive, interpret, and display  
the information about the codes so you can determine if the  
emergency might affect you area.Each FIPS code identifies  
a specific geographic area (defined by the National Weather  
Service) so your scanner sounds an alert only when a  
weather emergency is declared in those locations.  
This helps you more efficiently track the weather conditions  
in and around your area.  
PC Control - This term is associated with the ability to  
program frequencies and other useful information via a  
computer by means of third party software. You can change  
the transfer speed on the scanner needed to be compatible  
with your PC. (See page 81)  
Scan List - When you designate a bank to be a trunking  
bank, your scanner sets up 10 Scan Lists, which are simply  
list of your favorite IDs. Each list can contain up to 10 IDs,  
so you can store a total of 100 IDs for each trunk bank.  
These lists are designed to help you organize the trunking  
system users into categories.  
Screen Mask - Screen Mask reduces the amount of  
information that appears on the display. Alpha tags that you  
have set for a channel along with a few function icons will  
appear only on the display. This mode is particularly useful  
in public safety vehicles where that are already overloaded  
with information. Screen Mask does not work in Search  
mode.  
Status Bit - This term refers to Motorola Type II systems.  
There is a method by which special types of  
communications utilize unique talk group numbers.  
For example, if all emergency calls are set to occur on a  
specific talk group number then you will not miss the  
transmission even if you have not programmed all the talk  
group numbers. With the Status Bit on and you have  
programmed the unique number, then you dont have to  
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93  
worry what the rest of the groups numbers are. The topic of  
interest will be picked up.  
Talkgroup - A group of users within a trunked system that  
communicates with one another.  
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94  
Appendix  
Preset Fleet Maps  
Preset Map 1  
Preset Map 2  
Block  
Size Code  
Block  
Size Code  
0
1
2
3
4
5
6
7
SIZE CODE 11  
SIZE CODE 11  
SIZE CODE 11  
SIZE CODE 11  
SIZE CODE 11  
SIZE CODE 11  
SIZE CODE 11  
SIZE CODE 11  
0
1
2
3
4
5
6
7
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
Preset Map 3  
Preset Map 4  
Block  
Size Code  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 12  
(SIZE CODE 12)  
Block  
Size Code  
SIZE CODE 12  
(SIZE CODE 12)  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Preset Map 5  
Preset Map 6  
Block  
Size Code  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 12  
(SIZE CODE 12)  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
Block  
Size Code  
SIZE CODE 3  
SIZE CODE 10  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 12  
(SIZE CODE 12)  
SIZE CODE 12  
(SIZE CODE 12)  
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Preset Map 7  
Preset Map 8  
Block  
Size Code  
SIZE CODE 10  
SIZE CODE 10  
SIZE CODE 11  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
Block  
Size Code  
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
SIZE CODE 1  
SIZE CODE 1  
SIZE CODE 2  
SIZE CODE 2  
SIZE CODE 3  
SIZE CODE 3  
SIZE CODE 4  
SIZE CODE 4  
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95  
Preset Map 9  
Preset Map 10  
Block  
Size Code  
Block  
Size Code  
0
1
2
3
4
5
6
7
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
0
1
2
3
4
5
6
7
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 4  
SIZE CODE 4  
Preset Map 11  
Preset Map 12  
Block  
Size Code  
Block  
Size Code  
0
1
2
3
4
5
6
7
SIZE CODE 4  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
0
1
2
3
4
5
6
7
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 4  
Preset Map 13  
Preset Map 14  
Block  
Size Code  
SIZE CODE 3  
SIZE CODE 3  
SIZE CODE 11  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 0  
Block  
0
1
2
3
4
5
6
7
Size Code  
SIZE CODE 4  
SIZE CODE 3  
SIZE CODE 10  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 12  
(SIZE CODE 12)  
0
1
2
3
4
5
6
7
Preset Map 15  
Preset Map 16  
Block  
Size Code  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 4  
SIZE CODE 11  
SIZE CODE 11  
SIZE CODE 0  
SIZE CODE 12  
(SIZE CODE 12)  
Block  
Size Code  
SIZE CODE 3  
SIZE CODE 10  
SIZE CODE 10  
SIZE CODE 11  
SIZE CODE 0  
SIZE CODE 0  
SIZE CODE 12  
(SIZE CODE 12)  
0
1
2
3
4
5
6
0
1
2
3
4
5
6
7
7
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96  
User Defined Fleet Maps  
Type I Programming Information  
When a Type I system is designed, the address information  
for all the IDs are divided into 8 equal sized blocks. When you  
program your scanner to track a Type I system, you must  
select a size code for each of these blocks. When you have  
assigned a size code to all 8 blocks, you have defined the  
Fleet Map for the system you're tracking. Each size code  
determines the number of Fleets, Subfleets, and IDs each  
block will have. For example, a size code of "4" has one Fleet,  
which is divided into 16 separate Subfleets, and it has a total  
of 512 individual IDs.  
When a block is assigned a size code, the Fleet or Fleets  
created within the block are assigned a Type I ID. The way  
these IDs display on your scanner depends on the block  
number and the blocks size code. When a Type I ID displays,  
the left most digit represents the block which contains the ID.  
The next two or three digits identify which Fleet is active, and  
the last digit(s) identifies the Subfleet.  
Block  
(1 digit)  
Subfleet  
(1 or 2 digits)  
Which Fleet  
within the Block  
(2 or 3 digits)  
The details concerning how the size codes are selected by a  
Type I system designer are highly dependent on the specific  
needs of the systems users. Some organizations may want  
many subfleets with only a few radios each, while another  
organization may want only a few subfleets with many radios  
each. Your task is to program your fleet map with the same  
size code assignments as the trunked system. If you do this  
accurately, you'll track all the Fleet-Subfleet combinations  
used by the system. In other words, you'll hear complete  
communications while monitoring a trunked system.  
If you don't already know the size codes used, you'll have to  
guess at them. But since you don't have to figure out all the  
blocks at once, this isn't as hard as it seems. Select a size  
code for a block, and then press SCAN. Now listen to the  
communications. If you decide you are receiving most of the  
replies to the conversations with IDs assigned to the block  
you just programmed, then you've probably selected the right  
size code and can work on the next block of the map.  
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97  
Finally, for most public safety systems there are some size  
codes which are more common. SIZE CODE 3 and SIZE  
CODE 4 are probably the most common, followed by SIZE  
CODE 10, SIZE CODE 11, and SIZE CODE 12.  
Fleet Map Size Codes  
Blocks  
Used  
Size  
Fleets  
Subfleets  
IDs  
0
1
Reserves block for Type II IDs  
+
128  
16  
8
4
8
16  
64  
1
2
1
3
8
128  
512  
32  
1
4
1
16  
4
1
5
64  
32  
32  
16  
8
1
6
8
32  
1
7
4
64  
1
8
4
128  
256  
256  
256  
1024  
2048  
4096  
1
9
4
1
10  
11  
12  
13  
14  
4
8
1
2
16  
16  
16  
16  
1
1
2
1
4
1
8
Size Code Restrictions  
If you select SIZE CODE 12, 13, or 14, there are some  
restrictions as to which blocks can be used for these codes.  
SIZE CODE 12 can only be assigned to Blocks 0, 2, 4,  
or 6.  
SIZE CODE 13 can only be assigned to Blocks 0 and 4.  
SIZE CODE 14 can only be assigned to Block 0.  
Since these SIZE CODES require multiple blocks, you will be  
prompted for the next available block when programming a  
Fleet Map. For example, if you assign Block 0 as an SIZE  
CODE 12, you will be prompted for Block 2, the next block  
available, instead of Block 1. And if you assign Block 0 as  
SIZE CODE 14, you would not see another prompt because  
all available blocks have been used.  
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98  
NWR-SAME EVENT CODE  
Event Code  
Standard  
Event Level (Siren Type)  
Watch Statement  
LCD Display  
Warning  
Test  
Emergency Action Notification  
Emergency Action Termination  
National Information Center  
Tornado Warning #  
Service Thunderstorm Warning # SVW(or SVR)  
Flash Flood Warning  
Flash Warning  
Winter Storm Warning  
Blizzard Warning  
High Wing/ Dust Storm Warning  
Radio logical Hazard Warning  
Civil Danger Warning  
Local Area Emergency  
Hazardous Material Warning  
Civil Emergency Message  
Immediate Evacuation Warning  
Immediate Evacuation Notice  
Law Enforcement Warning  
Fire Warning  
EAN  
EAT  
NIC  
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
EMG NOTIFY  
EMG TERMINATE  
NATIONAL INFO  
TORNADO  
THUNDERSTORM  
FLASH FLOOD  
FLOOD  
WINTER STORM  
BLIZZARD  
HIGH WIND  
RADIOLOGICAL  
CIVIL DANGER  
LOCAL EMG  
HAZARDOUS  
CIVIL EMG  
EVACUATION  
EVACUATE NOTE  
LAW ENFORCEMENT  
FIRE  
TOW(or TOR)  
FFW  
FLW  
WSW  
BZW  
HWW  
RHW  
CDW  
LAE  
HMW  
CEM  
IEW  
EVI  
LEW  
FRW  
Event Code  
Standard  
Event Level (Siren Type)  
LCD Display  
Warning  
Watch  
Statement  
Test  
Hurricane/Tropical Storm Warning HUW  
0
0
0
0
0
0
0
HURRICANE  
TSUNAMI  
COASTAL FLOOD  
SPECIAL MARINE  
AVALANCHE  
VOLCANO  
Tsunami Warning  
TSW  
CFW  
SMW  
AVW  
VOW  
SPW  
CDA  
RHA  
HMA  
WSA  
HWA  
TOA  
SVA  
FFA  
Coastal Flood Warning  
Special Marine Warning  
Avalanche Warning  
Volcano Warning  
Shelter In Place Warning  
Civil Danger Watch  
Radiological Hazard Watch  
Hazardous Material Watch  
Winter Storm Watch  
High Wind/ Dust Storm Watch  
Tornado Watch  
SHELTER  
0
0
0
0
0
0
0
0
0
0
0
0
0
0
CIVIL DANGER  
RADIOLOGICAL  
HAZARDOUS  
WINTER STORM  
HIGH WIND  
TORNADO  
Severe Thunderstorm Watch  
Flash Flood Watch  
THUNDERSTORM  
FLASH FLOOD  
FLOOD  
HURRICANE  
TSUNAMI  
COASTAL FLOOD  
AVALANCHE  
VOLCANO  
Flood Watch  
FLA  
Hurricane/ Tropical Storm Watch  
Tsunami Watch  
Coastal Flood Watch  
Avalanche Watch  
HUA  
TSA  
CFA  
AVA  
VOA  
Volcano Watch  
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99  
Event Code  
Standard  
Event Level (Siren Type)  
LCD Display  
Warning  
Watch  
Statement  
Test  
Severe Weather Statement  
Special Weather Statement  
Flash Flood Statement  
Flood Statement  
Hurricane Statement  
National Periodic Test  
Required Monthly Test  
Required Weekly Test  
System Demonstration/ Practice  
National Hazard Warning  
Unknown Emergency Tune TV  
Unknown Warning Tune TV  
Unknown Watch Tune TV  
Unknown Statement Tune TV  
SVS  
SPS  
FFS  
FLS  
HLS  
NPT  
RMT  
RWT  
DMO  
NHW  
**E  
0
0
0
0
0
SEVERE WX  
SPECIAL WX  
FLASH FLOOD  
FLOOD  
HURRICANE  
NATION PERIOD  
MONTHLY  
0
0
0
WEEKLY  
Note  
SYSTEM DEMO  
NATION HAZARD  
UNKNOWN TV  
UNKNOWN TV  
UNKNOWN TV  
UNKNOWN TV  
0
0
0
**W  
**A  
**S  
0
0
REVERSE LIST  
Range  
Offset  
+0.1 MHz  
-0.1 MHz  
+1 MHz  
Range  
Offset  
-5 MHz  
+5 MHz  
-5 MHz  
+5 MHz  
-5 MHz  
+3 MHz  
-3 MHz  
+3 MHz  
-3 MHz  
+3 MHz  
-3 MHz  
+3 MHz  
-3 MHz  
+3 MHz  
-3 MHz  
+3 MHz  
-3 MHz  
+3 MHz  
-3 MHz  
+45 MHz  
-45 MHz  
+39 MHz  
-39 MHz  
29.520 - 29.580  
29.620 - 29.680  
52.010 - 52.990  
53.010 - 53.990  
143.750  
445.000 - 449.9875  
450.000 - 454.9875  
455.000 - 459.9875  
460.000 - 464.9875  
465.000 - 469.9875  
470.000 - 472.9875  
473.000 - 475.9875  
476.000 - 478.9875  
479.000 - 481.9875  
482.000 - 484.9875  
485.000 - 487.9875  
488.000 - 490.9875  
491.000 - 493.9875  
494.000 - 496.9875  
497.000 - 499.9875  
500.000 - 502.9875  
503.000 - 505.9875  
506.000 - 508.9875  
509.000 - 511.9875  
806.000 - 823.9875  
851.000 - 868.9875  
896.000 - 901.000  
935.000 - 940.000  
-1 MHz  
+4.375 MHz  
+4.25 MHz  
+0.6 MHz  
-0.6 MHz  
+0.6 MHz  
+1 MHz  
143.900  
144.510 - 144.890  
145.110 - 145.490  
146.010 - 146.385  
146.415 - 146.505  
146.595  
146.610 - 146.985  
147.000 - 147.390  
147.415 - 147.505  
147.595  
147.600 - 147.990  
148.125  
148.150  
222.120 - 223.380  
223.720 - 224.980  
420.000 - 424.9875  
425.000 - 429.9875  
440.000 - 444.9875  
+1 MHz  
-0.6 MHz  
+0.6 MHz  
-1 MHz  
-1 MHz  
-0.6 MHz  
-4.375 MHz  
-4.25 MHz  
+1.6 MHz  
-1.6 MHz  
+5 MHz  
-5 MHz  
+5 MHz  
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100  
CTCSS Frequency List (Hz)  
67.0  
91.5  
71.9  
94.8  
74.4  
77.0  
79.7  
82.5  
85.4  
88.5  
97.4 100.0 103.5 107.2 110.9 114.8  
118.8 123.0 127.3 131.8 136.5 141.3 146.2 151.4  
156.7 162.2 167.9 173.8 179.9 186.2 192.8 203.5  
210.7 218.1 225.7 233.6 241.8 250.3  
DCS Tone Code  
023  
051  
114  
143  
174  
245  
266  
332  
411  
452  
506  
612  
703  
025  
053  
115  
145  
205  
246  
271  
343  
412  
454  
516  
624  
712  
026  
054  
116  
152  
212  
251  
274  
346  
413  
455  
523  
627  
723  
031  
065  
122  
155  
223  
252  
306  
351  
423  
462  
526  
631  
731  
032  
071  
125  
156  
225  
255  
311  
356  
431  
464  
532  
632  
732  
036  
072  
131  
162  
226  
261  
315  
364  
432  
465  
546  
654  
734  
043  
073  
132  
165  
243  
263  
325  
365  
445  
466  
565  
662  
743  
047  
074  
134  
172  
244  
265  
331  
371  
446  
503  
606  
664  
754  
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101  
BC250D Flow Charts  
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102  
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103  
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104  
One Year Limited Warranty  
Important: Evidence of original purchase is required for warranty  
service.  
WARRANTOR: UNIDEN AMERICA CORPORATION (Uniden)  
ELEMENTS OF WARRANTY: Uniden warrants, for one year, to the  
original retail owner, this Uniden product to be free from defects in  
materials and craftsmanship with only the limitations or exclusions  
set out below.  
WARRANTY DURATION: This warranty to the original user shall  
terminate and be of no further effect 12 months after the date of  
original retail sale. The warranty is invalid if the Product is  
(A) damaged or not maintained as reasonable or necessary,  
(B) modified, altered, or used as part of any conversion kits,  
subassemblies, or any configurations not sold by Uniden,  
(C) improperly installed, (D) serviced or repaired by someone other  
than an authorized Uniden service center for a defect or malfunction  
covered by this warranty, (E) used in any conjunction with equipment  
or parts or as part of any system not manufactured by Uniden, or  
(F) installed or programmed by anyone other than as detailed by the  
owners manual for this product.  
STATEMENT OF REMEDY: In the event that the product does not  
conform to this warranty at any time while this warranty is in effect,  
warrantor will either, at its option, repair or replace the defective unit  
and return it to you without charge for parts, service, or any other cost  
(except shipping and handling) incurred by warrantor or its  
representatives in connection with the performance of this warranty.  
Warrantor, at its option, may replace the unit with a new or  
refurbished unit. THE LIMITED WARRANTY SET FORTH ABOVE  
IS THE SOLE AND ENTIRE WARRANTY PERTAINING TO THE  
PRODUCT AND IS IN LIEU OF AND EXCLUDES ALL OTHER  
WARRANTIES OF ANY NATURE WHATSOEVER, WHETHER  
EXPRESS, IMPLIED OR ARISING BY OPERATION OF LAW  
INCLUDING, BUT NOT LIMITED TO ANY IMPLIED WARRANTIES  
OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR  
PURPOSE. THIS WARRANTY DOES NOT COVER OR PROVIDE  
FOR THE REIMBURSEMENT OR PAYMENT OF INCIDENTAL  
OR CONSEQUENTIAL DAMAGES. Some states do not allow this  
exclusion or limitation of incidental or consequential damages so the  
above limitation or exclusion may not apply to you.  
LEGAL REMEDIES: This warranty gives you specific legal rights,  
and you may also have other rights which vary from state to state.  
This warranty is void outside the United States of America.  
PROCEDURE FOR OBTAINING PERFORMANCE OF WARRANTY:  
If, after following the instructions in the owners manual you are certain  
that the product is defective, pack the Product carefully (preferably  
in its original packaging). The product should include all parts and  
accessories originally packaged with the Product. Include evidence  
of original purchase and a note describing the defect that has caused  
you to return it. The Product should be shipped freight prepaid, by  
traceable means, to warrantor at:  
UNIDEN AMERICA CORPORATION  
Parts and Service Division  
4700 Amon Carter Boulevard  
Fort Worth, TX 76155  
(800) 554-3988, 7 a.m. to 5 p.m. Central Time, Monday through  
Friday  
Download from Www.Somanuals.com. All Manuals Search And Download.  
105  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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