Radio Shack Scanner PRO 72 User Guide

Cat. No. 20-566  
OWNER’S MANUAL  
PRO-72  
50-Channel Portable Scanner  
Please read before using this equipment.  
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Channel Lockout — keeps channels you select from be-  
ing scanned.  
Memory Backup — keeps the channel frequencies  
stored in memory for about 1 hour during a power loss.  
Two-Second Scan Delay — delays scanning for 2 sec-  
onds before moving to another channel, so you can hear  
more replies.  
Key Lock — lets you lock the keys to help prevent acci-  
dentally changing the scanner’s programming.  
Flexible Antenna with BNC Connector — provides ex-  
cellent reception. The BNC connector makes it easy to at-  
tach and remove the antenna or a variety of optional  
antennas.  
Liquid Crystal Display — clearly displays how the scan-  
ner is set and makes it easy to change those settings.  
Display Backlight — makes the scanner’s display easy  
to read in low-light situations.  
Three Power Options — you can power the scanner  
from internal batteries (not supplied – including non-  
rechargeable batteries, rechargeable batteries, or a re-  
chargeable scanner battery pack) or external AC or DC  
power (using optional adapters).  
We recommend you record your scanner’s serial number  
here. This number is on the scanner’s back panel.  
Serial Number:  
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3
Your PRO-72 scanner can receive all of these frequen-  
cies:  
29–54 MHz (10-Meter Amateur Radio, VHF Lo, 6-  
Meter Amateur Radio)  
137–174 MHz (Aircraft/Air Shows, Government, 2-  
Meter Amateur Radio, VHF Hi)  
380–512 MHz (Military Aircraft, UHF Lo, 70-Centime-  
ter Amateur Radio, UHF “T” Band, Government)  
806–824 MHz (UHF Public Service, Trunked Ser-  
vices)  
849–869 MHz (UHF Hi, Trunked Services)  
894–960 MHz (UHF Hi, 33-Centimeter Amateur  
Radio, Trunked Services)  
For a list of the frequency ranges in the ten prepro-  
grammed search bands, see “Search Bands” on Page 24.  
In addition, your scanner is preprogrammed with the fol-  
lowing weather service frequencies:  
161.6500 MHz  
161.7750 MHz  
162.4000 MHz  
162.4250 MHz  
162.4500 MHz  
162.4750 MHz  
162.5000 MHz  
162.5250 MHz  
162.5500 MHz  
163.2750 MHz  
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4
FCC NOTICE  
Your scanner might cause TV or radio interference even  
when it is operating properly. To determine whether your  
scanner is causing the interference, turn off your scanner.  
If the interference goes away, your scanner is causing  
the interference. Try to eliminate the interference by:  
• Moving your scanner away from the TV or radio  
• Connecting your scanner to an outlet that is on a dif-  
ferent electrical circuit from the TV or radio  
• Contacting your local RadioShack store for help  
This device complies with Part 15 of the FCC Rules. Op-  
eration is subject to the following two conditions: (1) This  
device may not cause harmful interference, and (2) this  
device must accept any interference received, including  
interference that may cause undesired operation.  
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5
SCANNING LEGALLY  
Your scanner covers frequencies used by many different  
groups including police and fire departments, ambulance  
services, government agencies, private companies, ama-  
teur radio services, military operations, pager services,  
and wireline (telephone and telegraph) service providers.  
It is legal to listen to almost every transmission your scan-  
ner can receive. However, there are some transmissions  
you should never intentionally listen to. These include:  
Telephone conversations (either cellular, cordless, or  
other private means of telephone signal transmission)  
Pager transmissions  
Any scrambled or encrypted transmissions  
According to the Electronic Communications Privacy Act  
(ECPA), you are subject to fines and possible imprison-  
ment for intentionally listening to, using, or divulging the  
contents of such a transmission unless you have the con-  
sent of a party to the communication (unless such activity  
is otherwise illegal). We encourage responsible, legal  
scanner use.  
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6
CONTENTS  
Preparation .................................................................. 9  
Power Sources ...................................................... 9  
Using Batteries ............................................... 9  
Using Standard AC Power ............................ 12  
Using Vehicle Battery Power ........................ 13  
Charging a Rechargeable Battery Pack ....... 14  
Connecting the Antenna ...................................... 15  
Connecting an Optional Antenna .................. 16  
Connecting an Earphone/Headphones ................ 16  
Listening Safely ............................................ 17  
Traffic Safety ................................................. 17  
Connecting an Extension Speaker ...................... 18  
Using the Belt Clip ............................................... 18  
Your Scanner ............................................................. 19  
A Look at the Keypad .......................................... 20  
A Look at the Display ........................................... 22  
Understanding Bands/Monitor Memory ............... 24  
Search Bands ............................................... 24  
Monitor Memory ............................................ 25  
Operation ................................................................... 26  
Turning On the Scanner/  
Setting Volume and Squelch ................................ 26  
Storing Active Frequencies .................................. 27  
Manually Storing Frequencies ...................... 27  
Band Search ................................................. 29  
Direct Search ................................................ 31  
Moving a Frequency from the Monitor Memory  
to a Channel ........................................................ 32  
Monitoring a Stored Channel ............................... 32  
Scanning the Channels ........................................ 33  
Listening to the Monitor Memory ......................... 34  
Clearing a Channel ............................................... 34  
Listening to a Weather Band ............................... 35  
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7
Special Features ....................................................... 36  
Delay ................................................................... 36  
Locking Out a Channel ........................................ 36  
Using the Display Backlight ................................. 37  
Turning the Key Tone On and Off ........................ 38  
Using the Keylock ................................................ 38  
A General Guide to Scanning ................................... 39  
Guide to Frequencies .......................................... 39  
US Weather Frequencies ............................. 39  
Other Weather Frequencies ......................... 39  
Ham Radio Frequencies ............................... 39  
Birdie Frequencies ....................................... 40  
Guide to the Action Bands ................................... 41  
United States Broadcast Bands ................... 41  
Typical Band Usage ...................................... 41  
Primary Usage .............................................. 42  
Specified Intervals ............................................... 43  
Band Allocation .................................................... 43  
Frequency Conversion ........................................ 47  
Troubleshooting ........................................................ 48  
Resetting/Initializing the Scanner ........................ 50  
Resetting the Scanner .................................. 50  
Initializing the Scanner ................................. 51  
Care and Maintenance .............................................. 52  
Specifications ........................................................... 54  
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8
PREPARATION  
POWER SOURCES  
You can power your scanner from any of four sources:  
• Internal batteries (not supplied) with the provided  
battery holder  
• A rechargeable scanner battery pack (not supplied)  
• Standard AC power (using an optional AC adapter)  
• Vehicle battery power (using an optional DC cigarette-  
lighter adapter)  
Notes:  
• Connecting an AC or DC adapter to the scanner dis-  
connects any internal batteries, but it does not dis-  
connect a rechargeable battery pack. If you install a  
rechargeable battery pack, you can operate the  
scanner and recharge the battery pack at the same  
time. See “Using Batteries” below and “Charging a  
Rechargeable Battery Pack” on Page 14.  
• If the scanner stops working properly after you con-  
nect it to power, try resetting it. See “Resetting/Initial-  
izing the Scanner” on Page 50.  
Using Batteries  
You can power your scanner from six AA batteries. For the  
longest operation and best performance, we recommend  
alkaline batteries, such as RadioShack Cat. No. 23-552.  
You can also power the scanner using a rechargeable  
scanner battery pack, such as Cat. No. 23-288, and re-  
charge it as you use the scanner.  
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9
You can also use six rechargeable nickel-cadmium batter-  
ies (such as Cat. No. 23-125) to power the scanner. To  
charge or recharge nickel-cadmium batteries, however,  
you must remove them from the scanner and use an ex-  
ternal charger (such as Cat. No. 23-134).  
Note: If you are using a rechargeable scanner battery  
pack, you must charge it before you can use your scanner  
(see “Charging  
Page 14).  
a
Rechargeable Battery Pack” on  
Caution: Do not mix old and new batteries, different types  
of batteries (standard, alkaline, or rechargeable), or re-  
chargeable batteries of different capacities.  
Follow these steps to install batteries or a battery pack.  
1. Press down on the battery compartment cover on the  
bottom of the scanner and slide the cover in the  
direction of the arrow to remove it.  
2. Slide the battery holder out of the battery compart-  
ment.  
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10  
3. If you are installing individual batteries, insert six AA  
batteries in the battery holder as indicated by the  
polarity symbols (+ and –) marked on the battery  
holder.  
4. Slide the battery holder or battery pack into the com-  
partment as shown.  
Caution: The battery holder or battery pack fits only  
one way inside the battery compartment. Do not  
force it.  
5. Replace the cover.  
When battery power is low, BATTflashes and the scanner  
beeps about every 3 seconds. Immediately replace all six  
non-rechargeable batteries, remove and recharge all six  
rechargeable batteries, or recharge the battery pack.  
Caution: Always dispose of old batteries promptly and  
properly. Do not bury or burn them.  
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11  
Using Standard AC Power  
To power the scanner from AC power, you need an AC  
adapter (Cat. No. 273-1665).  
Cautions:  
You must use an AC adapter that supplies 9 volts and  
delivers at least 200 milliamps. Its center tip must be  
set to negative, and its barrel plug must correctly fit  
the scanner’s PWR/DC 9V jack. The recommended  
adapter meets these specifications. Using an adapter  
that does not meet these specifications could damage  
the scanner or the adapter.  
When you finish using the AC adapter, disconnect it  
from the AC outlet first. Then disconnect it from the  
scanner.  
Plug the adapter’s 1.3 mm inner diameter/3.4 mm outer di-  
ameter barrel plug into the scanner’s PWR/DC 9V jack.  
Then plug the adapter’s power module into a standard AC  
outlet.  
PWR/DC 9V  
Warning: Do not use an AC adapter’s polarized plug with  
an extension cord, receptacle, or other outlet unless the  
blades can be fully inserted to prevent blade exposure.  
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12  
Using Vehicle Battery Power  
To power the scanner from your vehicle’s cigarette-lighter  
socket, you need a DC adapter (Cat. No. 270-1560).  
Cautions:  
• You must use a DC adapter that supplies 9 volts and  
delivers at least 200 milliamps. Its center tip must be  
set to negative, and its plug must correctly fit the  
scanner’s PWR/DC 9V jack. The recommended  
adapter meets these specifications. Using an  
adapter that does not meet these specifications  
could damage the scanner or the adapter.  
To protect your vehicle’s electrical system, always  
plug the adapter into the scanner before you plug it  
into your vehicle’s cigarette-lighter socket. Always  
unplug the adapter from the vehicle’s cigarette-  
lighter socket before you unplug it from the scanner.  
4
3
2
1
1. Connect the DC adapter’s supplied 1.3 mm inner  
diameter/3.4 mm outer diameter barrel plug to the  
cable, with the tip set to – (negative).  
2. Set the adapter’s voltage switch to 9V.  
3. Insert the barrel plug into the scanner’s PWR/DC 9V  
jack.  
4. Plug the other end of the adapter into your vehicle’s  
cigarette-lighter socket.  
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13  
Notes:  
Mobile use of this scanner is unlawful or requires a  
permit in some areas. Check the laws in your area.  
If the scanner does not operate properly when you  
connect a DC adapter, unplug the adapter from the  
cigarette-lighter socket and clean the socket to  
remove ashes and other debris.  
Charging a Rechargeable Battery Pack  
Your scanner has a built-in charging circuit that lets you  
charge a rechargeable battery pack (Cat. No. 23-288)  
while it is in the scanner. To charge the battery pack, sim-  
ply connect an AC or DC adapter to the scanner’s PWR/DC  
9V jack.  
It takes about 14–16 hours to recharge a battery pack that  
is fully discharged. You can operate the scanner while re-  
charging the battery pack, but charging takes longer.  
Notes:  
• If you want to take the battery pack out of the scan-  
ner to charge it, follow the instructions in “Using Bat-  
teries” on Page 9 to remove it, then follow the  
instructions provided with the battery pack to charge  
it.  
• A rechargeable battery pack lasts longer if you let it  
fully discharge once a month. To do this, simply use  
the scanner until BATT flashes and the scanner  
beeps about every 3 seconds. Then fully charge the  
battery pack.  
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14  
Important! At the end of a rechargeable battery pack’s  
useful life, it must be recycled or disposed of properly.  
Contact your local, county, or state hazardous waste  
management authorities for information on recycling or  
disposal programs in your area. Some options that might  
be available are: municipal curb-side collection, drop-off  
boxes at retailers such as your local RadioShack store,  
recycling collection centers, and mailback programs.  
CONNECTING THE ANTENNA  
Follow these steps to attach the supplied flexible antenna  
to your scanner.  
1. Align the slots around the antenna’s connector with  
the tabs on the ANT jack.  
2. Press the antenna down over the jack and turn the  
antenna’s base clockwise until it locks into place.  
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15  
Connecting an Optional Antenna  
The ANT jack on the top of the scanner makes it easy to  
use the scanner with a variety of antennas. Instead of the  
supplied antenna, you can attach a different one, such as  
an external mobile antenna or outdoor base station anten-  
na. Your local RadioShack store sells a variety of anten-  
nas.  
Always use 50-ohm coaxial cable, such as RG-58 or RG-  
8, to connect an outdoor antenna. For lengths over 50  
feet, use RG-8 low-loss dielectric coaxial cable. If your an-  
tenna’s cable does not have a BNC connector, you will  
also need a BNC adapter (also available at your local Ra-  
dioShack store).  
Follow the installation instructions supplied with the anten-  
na, route the antenna cable to the scanner, then connect  
it to the ANT jack.  
Warning: Use extreme caution when installing or remov-  
ing an outdoor base station antenna. If the antenna starts  
to fall, let it go! It could contact overhead power lines. If the  
antenna touches a power line, contact with the antenna,  
mast, cable or guy wires can cause electrocution and  
death! Call the power company to remove the antenna. Do  
not attempt to do so yourself.  
CONNECTING AN EARPHONE/  
HEADPHONES  
For private listening, you can plug an earphone or mono  
headphones (available at your local RadioShack store)  
with a 1/8-inch plug into the  
jack on top of your scan-  
ner. This disconnects the internal speaker.  
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16  
Listening Safely  
To protect your hearing, follow these guidelines when you  
use an earphone or headphones:  
• Do not listen at extremely high volume levels.  
Extended high-volume listening can lead to perma-  
nent 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 vol-  
ume level that does not cause discomfort might still  
damage your hearing.  
Traffic Safety  
Do not use an earphone or headphones with your scanner  
when operating a motor vehicle or riding a bicycle in or  
near traffic. Doing so can create a traffic hazard and could  
be illegal in some areas.  
If you use an earphone or headphones with your scanner  
while riding a bicycle, be very careful. Do not listen to a  
continuous broadcast. Even though some earphones/  
headphones let you hear some outside sounds when lis-  
tening at normal volume levels, they still can present a  
traffic hazard.  
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17  
CONNECTING AN EXTENSION  
SPEAKER  
In a noisy area, an extension speaker (Cat. No. 21-549) or  
an amplified speaker (Cat. No. 21-541) might provide  
more comfortable listening.  
Plug the speaker cable’s 1/8-inch plug into your scanner’s  
jack.  
USING THE BELT CLIP  
You can use the belt clip for hands-free carrying when you  
are on the go. Simply slide the belt clip over your belt or  
waistband.  
Belt Clip  
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18  
YOUR SCANNER  
Once you understand a few simple terms we use in this  
manual and familiarize yourself with your scanner’s fea-  
tures, you can put the scanner to work for you. You simply  
determine the communications you want to receive, then  
set the scanner to scan those frequencies.  
frequency  
A
is the tuning location of a station (expressed  
in kHz or MHz). To find active frequencies, you can use  
search bands  
the  
function to search  
, which are preset  
ranges of frequencies.  
When you find a frequency, you can store it into a perma-  
channel  
nent memory location called a  
. You can then  
the channels to see if there is activity on the frequen-  
scan  
cies stored there. Each time the scanner finds an active  
frequency, it stays on that channel until the transmission  
ends.  
Another option is to store the frequency into a temporary  
monitor memory  
memory location called a  
cide to move it to a channel.  
until you de-  
Just keep in mind — you search frequencies and scan  
channels.  
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19  
A LOOK AT THE KEYPAD  
Your scanner’s keys might seem confusing at first, but this  
information should help you understand each key’s func-  
tion.  
WX — scans through the preprogrammed weather chan-  
nels.  
BAND — selects a preprogrammed search band.  
SCAN — scans through the programmed channels.  
MANUAL — stops scanning to let you directly enter a  
channel number.  
/
— searches down or up from the currently dis-  
played frequency, or selects the direction when you scan  
channels.  
CLEAR — clears an incorrect entry.  
PGM — lets you program frequencies into channels.  
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20  
— locks/unlocks the keypad to prevent accidental en-  
tries.  
LIGHT — turns on/off the display’s backlight.  
Number Keys — use these keys to enter the numbers for  
a channel or frequency.  
MON/0 — enters a zero or accesses the monitor memory.  
DLY/ (delay/decimal point) — programs a 2-second delay  
for the selected channel, or enters a decimal point (neces-  
sary when programming frequencies).  
L-OUT/E (lockout/enter) — locks out channels so they will  
not be scanned, or enters frequencies into channels.  
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21  
A LOOK AT THE DISPLAY  
The display has indicators that show the scanner’s current  
operation.  
MAN— appears when you manually select a channel.  
SCAN— appears when you scan channels.  
WX— appears when you scan or manually search the pre-  
programmed weather channels.  
MON— appears when you listen to the monitor memory.  
BATT— appears when battery power is low.  
L/O— appears when you manually select a channel you  
locked out.  
SRCH — appears during a band or direct frequency  
search.  
or — indicates the search or scan direction.  
DELAY— appears when you program a 2-second delay  
for a channel.  
PGM— appears while you program frequencies into the  
scanner’s channels.  
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22  
— appears when you lock the keypad.  
ch — appears after the digits (1–50) that show which  
channel the scanner is tuned to.  
d— appears during a direct frequency search.  
000.0000— the digits on the right of the display show  
which frequency the scanner is tuned to.  
Error— appears when you make an entry error.  
dUPL(duplicate) — appears when you try to store a fre-  
quency that is already stored in another channel.  
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23  
UNDERSTANDINGBANDS/MONITOR  
MEMORY  
Search Bands  
Your scanner can tune over 32,000 different frequencies.  
Many of these frequencies are grouped within permanent  
memory locations called search bands.  
Displayed  
Search  
Range  
Band  
Description  
(MHz)  
0
1
2
3
4
5
6
7
8
9
10-Meter Amateur Radio, VHF Lo  
6-Meter Amateur Radio  
Aircraft/Air Shows, Government  
2-Meter Amateur Radio  
VHF Hi  
29–50  
50–54  
137–144  
144–148  
148–174  
380–420  
420–450  
450–470  
470–512  
806–960  
Government  
70-Centimeter Amateur Radio  
UHF Lo  
UHF “T” Band  
UHF Hi  
Note:  
The actual search range of Band 9 is 806 824 MHz,  
849 869 MHz, and 894 960 MHz. The scanner does not  
tune any frequencies between 824 849 MHz and 869  
894 MHz, to help prevent reception of transmissions you  
should not listen to. For more information, see “Scanning  
Legally” on Page 6.  
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24  
You can search these bands to quickly find active frequen-  
cies you might want to store into the scanner’s channels.  
For example, if you wanted to search for transmissions be-  
tween amateur radio operators, you could search only the  
search bands where you are most likely to hear the trans-  
missions (Bands 0, 1, 3, and 6). See “Band Search” on  
Page 29.  
Note: The frequencies in the scanner’s search bands are  
preset. You cannot change them.  
Monitor Memory  
The scanner also has a monitor memory that you can use  
to temporarily store a frequency while you decide whether  
to save it into a channel. This is handy for quickly storing  
an active frequency when you are searching through an  
entire band using direct search. See “Direct Search” on  
Page 31.  
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25  
OPERATION  
TURNING ON THE SCANNER/  
SETTING VOLUME AND SQUELCH  
Note:  
Make sure the scanner’s antenna is connected be-  
fore you turn it on.  
SQUELCH  
1. Turn  
fully counterclockwise.  
VOLUME  
SQUELCH  
MIN MAX  
OFF  
MAX  
VOLUME  
2. Turn  
clockwise until it clicks and you hear a  
hissing sound.  
VOLUME  
SQUELCH  
MIN MAX  
OFF  
MAX  
SQUELCH  
3. Turn  
clockwise until the hissing sound  
stops.  
Notes:  
• If the scanner picks up unwanted, partial, or very  
SQUELCH  
weak transmissions, turn  
clockwise to  
decrease the scanner’s sensitivity to these signals. If  
you want to listen to a weak or distant station, turn  
SQUELCH  
counterclockwise.  
SQUELCH  
• If  
is adjusted so you always hear a hissing  
sound, the scanner does not scan properly.  
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26  
• If you have not stored frequencies into any channels  
(see “Storing Active Frequencies” on Page 27), the  
scanner does not scan.  
STORING ACTIVE FREQUENCIES  
You can manually store frequencies you already know into  
the scanner’s channels. You can also store frequencies  
you found using band search directly into channels. You  
can also store a frequency into a monitor memory then  
store it into a channel.  
Good references for active frequencies are the RadioShack  
Police Call Radio Guide Including Fire and Emergency  
Services, Aeronautical Frequency Directory, and Maritime  
Frequency Directory. We update these directories every  
year, so be sure to get a current copy.  
If you do not have a reference to frequencies in your area,  
follow the steps in “Band Search” on Page 29 or “Direct  
Search” on Page 31 to search for transmissions. See also  
“Guide to the Action Bands” on Page 41.  
Manually Storing Frequencies  
If you know a frequency you want to store, you can store  
it manually.  
1. Press PGM. PGMappears.  
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27  
2. Use the number keys to enter the channel number  
where you want to store the frequency, then press  
PGM again. Or, repeatedly press PGM until the  
desired channel number appears.  
3. Use the number keys and DLY/ to enter the fre-  
quency (including the decimal point) you want to  
store into that channel.  
4. Press E to store the frequency.  
Notes:  
If you entered an invalid frequency in Step 3,  
Error appears, the channel number flashes,  
and the scanner beeps three times after you  
press E. Simply repeat Steps 3 and 4.  
Your scanner automatically rounds the entered  
frequency down to the nearest valid frequency.  
For example, if you enter  
a
frequency of  
151.4730, your scanner accepts it as 151.4700.  
If you entered a frequency that is already stored  
in another channel, dUPL (duplicate) and the  
lowest-numbered channel containing the dupli-  
cate frequency flash for about 3 seconds. To store  
the frequency anyway, press E again.  
5. Repeat Steps 2–4 to store more frequencies into  
channels.  
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28  
Band Search  
If you do not know of a frequency to store, you can search  
your scanner’s preprogrammed search bands (see  
“Search Bands” on Page 24) for active frequencies, then  
store any that you find into your scanner’s channels.  
Follow these steps to search for and store active frequen-  
cies using band search.  
1. Press BAND. The last selected band number (bfol-  
lowed by the band number) and the frequency  
search range appear for about 2 seconds.  
2. To select a different band, within 2 seconds, enter  
the band’s number (0–9) or repeatedly press BAND  
until the desired band number appears.  
After about 2 seconds, SRCH  
appears, the next  
available channel flashes, and the scanner begins  
searching rapidly upward in that band (from lowest to  
highest frequency) for an active frequency.  
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29  
Notes:  
To reverse the search direction at any time, hold  
down for about 1 second.  
To search the band upward or downward in small  
increments (in steps of 5 or 12.5 kHz, depending  
on the band), repeatedly press and release  
.
or  
To select a different band after the scanner begins  
searching the current band, simply repeat Step 2.  
The scanner stops when it finds an active frequency.  
3. To store the displayed frequency in the channel cur-  
rently flashing on the display, press E. The scanner  
stores the frequency, then the next available channel  
flashes.  
Notes:  
You cannot store a frequency in the monitor mem-  
ory during band search.  
After you store a frequency into the last available  
channel, --ch appears instead of a channel  
number. If you try to store a channel while --ch  
appears, Ch FULL appears briefly. In order to  
store more frequencies, you must clear some  
channels. See “Clearing a Channel” on Page 34.  
4. To search for another active frequency in the  
selected band, hold down  
ond.  
or  
for about 1 sec-  
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30  
Direct Search  
You can search up or down from the currently displayed  
frequency and store the frequency into the monitor mem-  
ory.  
1. Press MANUAL or PGM, then use the number keys  
and DLY/ to enter the frequency where you want to  
start the search.  
Note: To start from a frequency already stored in one  
of your scanner’s channels, press MANUAL or PGM,  
enter the desired channel number, then press MAN-  
UAL or PGM again.  
2. Hold down  
or  
for about 1 second to search up  
or down from the selected frequency.  
When the scanner finds an active frequency, it stops  
searching.  
3. To store the frequency in the monitor memory, simply  
press MON/0. MONappears on the display.  
4. To continue the search, hold down  
about 1 second.  
or  
for  
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31  
MOVING A FREQUENCY FROM THE  
MONITOR MEMORY TO A CHANNEL  
1. Press MANUAL, enter the channel number where  
you want to store the frequency, then press PGM.  
PGM, the frequency number or 000.0000, and the  
selected channel number appear.  
2. Press MON. MONand the frequency appear and the  
channel number flashes.  
3. Press E. MONdisappears, the channel number stops  
flashing, and the scanner stores the frequency in the  
selected channel.  
MONITORING A STORED CHANNEL  
You can continuously monitor a specific channel without  
scanning. This is useful if you hear an emergency broad-  
cast on a channel and do not want to miss any details —  
even though there might be periods of silence — or if you  
simply want to monitor that channel.  
Follow these steps to manually select a channel.  
1. Press MANUAL.  
2. Enter the channel number.  
3. Press MANUAL again.  
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32  
SCANNING THE CHANNELS  
To begin scanning channels or to start scanning again af-  
ter monitoring a specific channel, press SCAN.  
SCANand  
appear, and the scanner begins to rapidly  
scan upward until it finds an active frequency.  
If the scanner finds an active frequency, it stops and dis-  
plays that channel and frequency number, then it automat-  
ically begins scanning again when the transmission ends  
on that frequency.  
Notes:  
• You must store frequencies into channels before the  
scanner can scan them (see “Storing Active Fre-  
quencies” on Page 27).  
To change the scanning direction, press  
or  
.
• The scanner does not scan empty channels.  
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33  
LISTENING TO THE MONITOR  
MEMORY  
To listen to the frequency stored in the monitor memory,  
press MANUAL then MON. MAN, MON, and the frequency  
stored in the monitor memory appear.  
CLEARING A CHANNEL  
1. Press MANUAL.  
2. Use the number keys to enter the channel number  
containing the frequency you want to delete, then  
press PGM. Or, repeatedly press PGM until the  
desired channel number appears. PGMappears.  
3. Press CLEAR. The frequency number flashes.  
4. Press L-OUT. L/O (lockout — see “Locking Out a  
Channel” on Page 36) appears, the channel number  
flashes, and the frequency number changes to  
000.0000to indicate the frequency is cleared.  
5. To delete more frequencies, repeat Steps 2–4.  
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34  
LISTENING TO A WEATHER BAND  
The FCC (Federal Communications Commission) has al-  
located channels for use by the National Oceanic and At-  
mospheric Administration (NOAA). Regulatory agencies  
in other countries have also allocated channels for use by  
their weather reporting authorities.  
Your local weather reporting authority broadcast your lo-  
cal forecast and regional weather information on one or  
more of these channels.  
To hear your local forecast and regional weather informa-  
tion, simply press WX. Your scanner scans through the  
weather band, and  
and WX appear. Your scanner  
should stop within a few seconds on your local weather  
broadcast.  
If the broadcast is weak, press  
ning.  
or  
to resume scan-  
To reverse the scanning direction, press  
or  
.
To manually select a specific preprogrammed weather  
channel, repeatedly press WX until MANappears, then:  
• Repeatedly press  
or  
to move forward or back-  
ward through the channels.  
• Press the 1-digit number (0–9) of the channel you  
want to listen to.  
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35  
SPECIAL FEATURES  
DELAY  
Many agencies use a two-way radio system that might  
have a pause of several seconds between a query and  
a reply. To avoid missing a reply, you can program a  
2-second delay into any of your scanner’s channels.  
Then, when the scanner stops on the channel, DELAY  
appears and the scanner continues to monitor the channel  
for 2 seconds after the transmission stops before it re-  
sumes scanning.  
You can program a 2-second delay in any of these ways:  
If the scanner is scanning and stops on an active  
DLY  
channel, quickly press  
again.  
before it starts to scan  
If the desired channel is not selected, manually select  
DLY  
the channel then press  
.
DLY  
If the scanner is searching, press  
search.  
during the  
DELAYappears and the scanner automatically adds a 2-  
second delay to every transmission it stops on.  
DLY  
To turn off the delay, press  
when DELAYis displayed.  
LOCKING OUT A CHANNEL  
You can scan existing channels faster by locking out a  
channel that has a continuous transmission, such as a  
weather channel.  
To lock out a channel, select the channel then press  
L-OUT  
. L/Oappears.  
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36  
To remove the lockout from a channel, manually select the  
channel then press L-OUT until L/Odisappears.  
Notes:  
• You can still manually select locked-out channels.  
• Your scanner automatically locks out empty chan-  
nels.  
USING THE DISPLAY BACKLIGHT  
You can turn on the display’s backlight for easy viewing in  
dimly-lit areas. Press LIGHT to turn on the display light for  
5 seconds. To turn off the light before it automatically turns  
off, press LIGHT again.  
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37  
TURNING THE KEY TONE ON AND  
OFF  
Each time you press any of the scanner’s keys (except  
and LIGHT), the scanner sounds a tone.  
Follow these steps to turn the scanner’s key tone off or  
back on.  
1. If the scanner is on, turn VOLUME counterclockwise  
until it clicks to turn it off.  
2. While you hold down the 2 and E keys, turn on the  
scanner.  
3. After 1 second, release 2 and E.  
USING THE KEYLOCK  
Once you program your scanner, you can protect it from  
accidental program changes by turning on the keylock  
feature. When the keypad is locked, the only controls that  
operate are LIGHT, VOLUME, and SQUELCH (and the  
scanner continues to scan channels).  
To turn on the keylock, hold down  
onds until appears. The scanner beeps three times (if  
the key tone is turned on). To turn it off, hold down for  
about 3 seconds until disappears.  
for about 3 sec-  
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38  
A GENERAL GUIDE TO SCANNING  
Reception of the frequencies covered by your scanner is  
mainly “line-of-sight.” That means you usually cannot hear  
stations that are beyond the horizon.  
GUIDE TO FREQUENCIES  
US Weather Frequencies  
162.400  
162.500  
162.425  
162.525  
162.450  
162.550  
162.475  
163.275  
Other Weather Frequencies  
161.650  
161.775  
162.440  
Ham Radio Frequencies  
Ham radio operators often transmit emergency informa-  
tion when other means of communication break down.  
The following chart shows the frequencies the scanner re-  
ceives that Ham radio operators normally use:  
Wavelength (meters)  
10-Meter  
Frequencies (MHz)  
29.000 29.700  
6-Meter  
50.000 54.000  
2-Meter  
144.000 148.000  
70-cm  
420.000 450.000  
33-cm  
902.000 928.000  
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39  
Birdie Frequencies  
Every scanner has birdie frequencies. Birdies are sig-  
nals created inside the scanner’s receiver. These operat-  
ing frequencies might interfere with broadcasts on the  
same frequencies. If you program one of these frequen-  
cies, you hear only noise on that frequency. If the interfer-  
ence is not severe, you might be able to turn SQUELCH  
clockwise to cut out the birdie.  
The birdie frequencies on this unit to watch for are:  
30.735  
40.000  
51.200  
37.800  
40.980  
140.800  
38.400  
41.900  
149.400  
153.000-153.300 153.500-153.800 157.300-157.800  
158.085  
163.920  
396.800  
435.200  
473.600  
512.000  
159.300-159.700 161.400-161.900  
166.400  
409.600  
448.000  
486.400  
384.000  
422.400  
460.800  
499.200  
To find the birdies in your scanner, begin by disconnecting  
the antenna and moving it away from the scanner. Make  
sure that no other nearby radio or TV sets are turned on  
near the scanner. Use the search function and scan every  
frequency range from its lowest frequency to the highest.  
Occasionally, the searching will stop as if it had found a  
signal, often without any sound. That is a birdie. Make a  
list of all the birdies in your scanner for future reference.  
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40  
GUIDE TO THE ACTION BANDS  
United States Broadcast Bands  
In the United States, there are several broadcast bands.  
The standard AM and FM bands are probably the most well  
known. There are also four television audio broadcast  
bands — the lower three transmit on the VHF band and  
the fourth transmits on the UHF band.  
Typical Band Usage  
VHF Band  
Low Range  
29.00–50.00 MHz  
50.00–54.00 MHz  
6-Meter Amateur  
U.S. Government  
2-Meter Amateur  
High Range  
137.00–144.00 MHz  
144.00–148.00 MHz  
148.00–174.00 MHz  
UHF Band  
Military Aircraft  
U.S. Government  
70-cm Amateur  
Low Range  
FM-TV Audio Broadcast, Wide  
Band  
380.00–384.00 MHz  
406.00–420.00 MHz  
420.00–450.00 MHz  
450.00–470.00 MHz  
470.00–512.00 MHz  
800 Band Law Enforcement  
Conventional Systems  
Conventional/Trunked Systems  
Public Safety  
806.00–824.00 MHz  
851.00–856.00 MHz  
856.00–866.00 MHz  
866.00–869.00 MHz  
894.00–960.00 MHz  
Trunked Private/General  
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41  
Primary Usage  
As a general rule, most of the radio activity is concentrated  
on the following frequencies:  
VHF Band  
Activities  
Frequencies  
Government, Police, and Fire  
Emergency Services  
Railroad  
153.785–155.980 MHz  
158.730–159.460 MHz  
160.000–161.900 MHz  
UHF Band  
Activities  
Frequencies  
Land-Mobile “Paired”  
Frequencies  
450.000–470.000 MHz  
Base Stations  
Mobile Units  
451.025–454.950 MHz  
456.025–459.950 MHz  
460.025–464.975 MHz  
465.025–469.975 MHz  
Repeater Units  
Control Stations  
Note: Remote control stations and mobile units operate  
at 5 MHz higher than their associated base stations and  
relay repeater units.  
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42  
SPECIFIED INTERVALS  
Frequencies in different bands are accessible only at spe-  
cific intervals. For example:  
Frequency Range(s)  
Specified Interval  
29–54 and 137–174 MHz  
380–512 and 806–960 MHz  
5.0 kHz steps  
12.5 kHz steps  
BAND ALLOCATION  
To help decide which frequency ranges to scan, use the  
following listing of the typical services that use the fre-  
quencies your scanner receives. These frequencies are  
subject to change, and might vary from area to area. For  
a more complete listing, refer to the Police Call Radio  
Guide including Fire and Emergency Services, available  
at your local RadioShack store.  
Abbreviations  
Services  
AIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aircraft  
BIFC . . . . . . . . . . . . . . . . . . . .Boise (ID) Interagency Fire Cache  
BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Business  
CAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Civil Air Patrol  
CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Citizens Band  
CCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Common Carrier  
CSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Conventional Systems  
CTSB . . . . . . . . . . . . . . . . . . . . .Conventional/Trunked Systems  
FIRE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fire Department  
HAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Amateur (Ham) Radio  
GOVT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Federal Government  
GMR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Mobile Radio  
GTR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Trunked  
IND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Industrial Services  
(Manufacturing, Construction, Farming, Forest Products)  
MAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Military Amateur Radio  
MARI . . . . . . . . . . . . . . . . . . . . . . . . . . . Maritime Limited Coast  
(Coast Guard, Marine Telephone,  
Shipboard Radio, Private Stations)  
MARS. . . . . . . . . . . . . . . . . . . . . . Military Affiliate Radio System  
MED . . . . . . . . . . . . . . . . . . . . . . . .Emergency/Medical Services  
MIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U.S. Military  
MOV . . . . . . . . . . . . . . . . . . . . . . . Motion Picture/Video Industry  
NEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . New Mobile Narrow  
NEWS. . . . . . . . . . . . . . . . . Relay Press (Newspaper Reporters)  
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43  
OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil/Petroleum Industry  
POL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Police Department  
PUB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Public Services  
(Public Safety, Local Government, Forestry Conservation)  
PSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Public Safety  
PTR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Private Trunked  
ROAD . . . . . . . . . . . . . . . . . . . . . Road & Highway Maintenance  
RTV. . . . . . . . . . . . . . . . . . .Radio/TV Remote Broadcast Pickup  
TAXI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Taxi Services  
TELB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mobile Telephone  
(Aircraft, Radio Common Carrier, Landline Companies)  
TELC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cordless Phones  
TELM . . . . . . . . . . . . . . . . . . . . . . . . . . Telephone Maintenance  
TOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Tow Trucks  
TRAN . . . . . . . . . . . . . . . . . . . . . . . . . . .Transportation Services  
(Trucks, Tow Trucks, Buses, Railroad, Other)  
TSB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Trunked Systems  
TVn. . . . . . . . . . . . . . . . . . . . . . . . . . . . FM-TV Audio Broadcast  
USXX . . . . . . . . . . . . . . . . . . . . . . . . . . . Government Classified  
UTIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power & Water Utilities  
WTHR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Weather  
VERY HIGH FREQUENCY (VHF)  
VHF Low Band—(in 5 kHz steps)  
29.900–30.550 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL  
30.580–31.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, PUB  
32.000–32.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL  
33.020–33.980 . . . . . . . . . . . . . . . . . . . . . . . . . . BUS, IND, PUB  
34.010–34.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL  
35.020–35.980 . . . . . . . . . . . . . . . . . . . . BUS, PUB, IND, TELM  
36.000–36.230 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL  
36.250. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil Spill Cleanup  
36.270–36.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL  
37.020–37.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB, IND  
38.000–39.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL  
39.020–39.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB  
40.000–42.000 . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, MARI  
42.020–42.940 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . POL  
42.960–43.180 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND  
43.220–43.680 . . . . . . . . . . . . . . . . . . . . . . . . . TELM, IND, PUB  
43.700–44.600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TRAN  
44.620–46.580 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . POL, PUB  
46.600–46.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, TELC  
47.020–47.400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB  
47.420. . . . . . . . . . . . . . . . . . . . . . . . . . . . . American Red Cross  
47.440–49.580 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, PUB  
49.610–49.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MIL, TELC  
6-Meter Amateur Band  
50.00–54.00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HAM  
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44  
U.S. Government Band  
137.000–144.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL  
2-Meter Amateur Band  
144.000–148.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HAM  
VHF High Band  
148.050–150.345 . . . . . . . . . . . . . . . . . . . . . . . . CAP, MAR, MIL  
150.775–150.790 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED  
150.815–150.980 . . . . . . . . . . . . . . . . . . TOW, Oil Spill Cleanup  
150.995–151.475 . . . . . . . . . . . . . . . . . . . . . . . . . . . ROAD, POL  
151.490–151.955 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, BUS  
151.985 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELM  
152.0075 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED  
152.030–152.240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB  
152.270–152.480 . . . . . . . . . . . . . . . . . . . . . . . . IND, TAXI, BUS  
152.510–152.840 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB  
152.870–153.020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, MOV  
153.035–153.725 . . . . . . . . . . . . . . . . . . . . . . . . . IND, OIL, UTIL  
153.740–154.445 . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB, FIRE  
154.490–154.570 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, BUS  
154.585 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil Spill Cleanup  
154.600–154.625 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS  
154.655–156.240 . . . . . . . . . . . . . . . . . MED, ROAD, POL, PUB  
156.255–157.425 . . . . . . . . . . . . . . . . . . . . . . . . . . . . OIL, MARI  
157.450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED  
157.470–157.515 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TOW  
157.530–157.725 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, TAXI  
157.740 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS  
157.770–158.100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB  
158.130–158.460 . . . . . . . . . . . . . . BUS, IND, OIL, TELM, UTIL  
158.490–158.700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB  
158.730–159.465 . . . . . . . . . . . . . . . . . . . . . . POL, PUB, ROAD  
159.480 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OIL  
159.495–161.565 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TRAN  
161.580–162.000 . . . . . . . . . . . . . . . . . . . . . . . .OIL, MARI, RTV  
162.0125–162.35 . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX  
162.400–162.550 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WTHR  
162.5625–162.6375 . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX  
162.6625 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED  
162.6875–163.225 . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX  
163.250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED  
163.275–166.225 . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX  
166.250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, RTV, FIRE  
166.275–169.400 . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, BIFC  
169.445–169.505 . . . . . . . . . . . . . . . . . . .Wireless Mikes, GOVT  
169.55–169.9875 . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX  
170.000–170.150 . . . . . . . . . . . . . . . . . BIFC, GOVT, RTV, FIRE  
170.175–170.225 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT  
170.245–170.305 . . . . . . . . . . . . . . . . . . . . . . . . .Wireless Mikes  
170.350–170.400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL  
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45  
170.425–170.450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BIFC  
170.475. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB  
170.4875–173.175 . . . . . . . . . . . . . GOVT, PUB, Wireless Mikes  
173.225–173.5375 . . . . . . . . . . . . . . . . MOV, NEWS, UTIL, MIL  
173.5625–173.5875 . . . . . . . . . . . . . . MIL Medical/Crash Crews  
173.60–173.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT  
ULTRA HIGH FREQUENCY (UHF)  
U. S. Government Band  
406.125–419.975 . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, USXX  
70-cm Amateur Band  
420.000–450.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HAM  
Low Band  
450.050–450.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RTV  
451.025–452.025 . . . . . . . . . . . . . . . . . . . IND, OIL, TELM, UTIL  
452.0375–453.00 . . . . . . . . . . . .IND, TAXI, TRAN TOW, NEWS  
453.0125–454.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB, OIL  
454.025–454.975 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB  
455.050–455.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RTV  
457.525–457.600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS  
458.025–458.175 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED  
460.0125–460.6375 . . . . . . . . . . . . . . . . . . . . . FIRE, POL, PUB  
460.650–462.175 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS  
462.1875–462.450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS, IND  
462.4625–462.525 . . . . . . . . . . . . . . . . . . IND, OIL, TELM, UTIL  
462.550–462.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . .GMR, BUS  
462.9375–463.1875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED  
463.200–467.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS  
FM-TV Audio Broadcast, UHF Wide Band  
(Channels 14 through 69 in 6 MHz steps)  
475.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 14  
481.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 15  
487.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 16  
.
.
511.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 20  
Some cities use the 470–512 MHz band for land/mobile  
Note:  
service.  
Conventional Systems Band — Locally Assigned  
851.0125–855.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CSB  
Conventional/Trunked Systems Band — Locally Assigned  
856.0125–860.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CTSB  
Trunked Systems Band — Locally Assigned  
861.0125–865.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TSB  
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46  
Public Safety Band — Locally Assigned  
866.0125–868.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PSB  
33-Centimeter Amateur Band  
902.0000–928.0000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HAM  
Private Trunked  
935.0125–939.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PTR  
General Trunked  
940.0125–940.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GTR  
FREQUENCY CONVERSION  
The tuning location of a station can be expressed in fre-  
quency (kHz or MHz) or in wavelength (meters). The fol-  
lowing information can help you make the necessary  
conversions.  
1 MHz (million) = 1,000 kHz (thousand)  
To convert MHz to kHz, multiply the number of megahertz  
by 1,000:  
30.62 (MHz) x 1000 = 30,620 kHz  
To convert from kHz to MHz, divide the number of kilo-  
hertz by 1,000:  
127,800 (kHz) ÷ 1000 = 127.8 MHz  
To convert MHz to meters, divide 300 by the number of  
megahertz:  
300 ÷ 50 MHz = 6 meters  
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47  
TROUBLESHOOTING  
If your scanner is not working as it should, these sugges-  
tions might help you eliminate the problem. If the scanner  
still does not operate properly, take it to your local Ra-  
dioShack store for assistance.  
Problem  
Possible Causes  
Remedies  
The scanner The AC or DC  
Be sure the adapt-  
er is plugged into  
a working AC out-  
let or cigarette-  
does not  
adapter is not  
properly connect-  
ed.  
work at all.  
lighter socket, and  
is fully inserted  
into the scanner’s  
PWR/DC 9V  
jack.  
The internal batter- Charge the re-  
ies/battery pack  
needs to be re-  
charged, or the  
non-rechargeable  
chargeable batter-  
ies or battery  
pack, or replace  
non-rechargeable  
batteries are dead. batteries with  
fresh batteries.  
Poor or no  
reception.  
Improperly con-  
nected antenna.  
Be sure the anten-  
na is properly con-  
nected.  
Programmed fre-  
quencies are the  
Avoid program-  
ming frequencies  
same as birdie fre- listed under “Bird-  
quencies.  
ieFrequencieson  
Page 40.  
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48  
Possible  
Causes  
Problem  
Remedies  
Scanner is on SQUELCH is not  
Adjust SQUELCH  
clockwise (see  
“Turning On the  
Scanner/Setting  
Volume and  
but does not  
scan.  
correctly adjust-  
ed.  
Squelch” on  
Page 26).  
In the scan  
mode, the  
Programmed fre- Avoid program-  
quencies are the ming frequencies  
scanner locks  
on frequen-  
cies that have  
an unclear  
same as birdie  
frequencies.  
listed under “Bird-  
ieFrequencieson  
Page 40 or only  
listen to them  
transmission.  
manually.  
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49  
RESETTING/INITIALIZING THE  
SCANNER  
If the scanner’s display locks up or does not work properly  
after you connect a power source, you might need to reset  
or initialize it.  
Important:  
If you have problems, first try to reset the  
scanner. If that does not work, you can initialize the scan-  
ner; however, initializing clears all frequencies you stored  
in the scanner’s memory and initializes the scanner to its  
default settings.  
Resetting the Scanner  
1. Turn off the scanner, then turn it on again.  
2. Insert a pointed object, such as a straightened paper  
clip, into the reset hole on the side of the scanner.  
Then gently press and release the reset button  
inside the opening. The display goes blank, then  
information reappears.  
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50  
Initializing the Scanner  
Important: This procedure clears all frequencies you  
stored in the scanner’s memory and initializes the scanner  
to its default settings. Initialize the scanner only when you  
are sure the scanner is not working properly.  
1. Turn off the scanner, then turn it on again.  
2. While holding down CLEAR, insert a pointed object,  
such as a straightened paper clip, into the reset hole  
on the side of the scanner. Then gently press and  
release the reset button inside the opening. The dis-  
play goes blank, then information reappears.  
Note: You must release the reset button before you  
release CLEAR. Otherwise, the memory might not  
clear.  
3. When the display reappears, release CLEAR.  
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51  
CARE AND MAINTENANCE  
Your RadioShack PRO-72 50-Channel Portable Scanner  
is an example of superior design and craftsmanship. The  
following suggestions will help you care for your scanner  
so you can enjoy it for years.  
Keep the scanner dry. If it gets wet, wipe  
it dry immediately. Liquids might contain  
minerals that can corrode the electronic  
circuits.  
Use and store the scanner only in normal  
temperature environments. Temperature  
extremes can shorten the life of electron-  
ic devices, damage batteries, and distort  
or melt plastic parts.  
Keep the scanner away from dust and  
dirt, which can cause premature wear of  
parts.  
Handle the scanner gently and carefully.  
Dropping it can damage circuit boards  
and cases and can cause the scanner to  
work improperly.  
Use only fresh batteries of the required  
size and type. Batteries can leak chemi-  
cals that damage your scanner’s elec-  
tronic parts.  
Wipe the scanner with a damp cloth occa-  
sionally to keep it looking new. Do not use  
harsh chemicals, cleaning solvents, or  
strong detergents to clean the scanner.  
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52  
Modifying or tampering with the scanner’s internal compo-  
nents can cause a malfunction and might invalidate your  
scanner’s warranty and void your FCC authorization to op-  
erate it. If your scanner is not performing as it should, take  
it to your local RadioShack store for assistance.  
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53  
SPECIFICATIONS  
Frequency Coverage:  
Ham .............................. 29–30 MHz (5.0 kHz steps)  
VHF Lo ......................... 30–50 MHz (5.0 kHz steps)  
Ham .............................. 50–54 MHz (5.0 kHz steps)  
Government .............. 137–144 MHz (5.0 kHz steps)  
Ham .......................... 144–148 MHz (5.0 kHz steps)  
VHF Hi ...................... 148–174 MHz (5.0 kHz steps)  
Ham/Government ... 380–450 MHz (12.5 kHz steps)  
UHF Lo ................... 450–470 MHz (12.5 kHz steps)  
UHF Hi (T) .............. 470–512 MHz (12.5 kHz steps)  
UHF Hi ................ 806–824 MHz (in 12.5 kHz steps)  
849–860 MHz (in 12.5 kHz steps)  
894–960 MHz (in 12.5 kHz steps)  
Channels of Operation: ............................... 50 Channels  
and 1 Monitor Memory  
Sensitivity (20 dB S/N):  
29–54 MHz .................................................... 1.0 µV  
137–174 MHz ................................................ 1.0 µV  
380–512 MHz ................................................ 1.0 µV  
806–960 MHz ................................................ 2.0 µV  
Selectivity:  
±10 kHz .......................................................... –6 dB  
±18 kHz ........................................................ –50 dB  
Spurious Rejection:  
29–54 MHz ................................... 50 dB at 40 MHz  
137–174 MHz ............................. 50 dB at 154 MHz  
Scanning Rate ........................Up to 25 channels/second  
Search Rate ................................. Up to 50 steps/second  
Delay Time ...................................................... 2 seconds  
Intermediate Frequencies (IF):  
1st ............................................................. 10.7 MHz  
2nd .............................................................. 455 kHz  
IF Rejection: 10.7 MHz ...................... 70 dB at 154 MHz  
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54  
Squelch Sensitivity:  
Threshold ...................................... Less than 1.0 µV  
Tight ................................................. (S+N)/N 25 dB  
Antenna Impedance ......................................... 50 Ohms  
Audio Output Power (10% THD) ......... 200 mW Nominal  
Built-in Speaker ................................... 13/8 Inch (36 mm)  
8 ohm, Dynamic Type  
Power Requirements .................. 9 V DC, 6 AA batteries  
AC Adapter (Cat. No. 273-1665)  
DC Adapter (Cat. No. 270-1560)  
Rechargeable Battery Pack (Cat. No. 23-288)  
Current Drain (Squelched) .....................................50 mA  
Dimensions (HWD) .................. 63/4 × 25/16 × 19/16 Inches  
(171 × 59 × 40 mm)  
Weight ................................................................... 8.5 oz  
(240 g)  
Supplied Accessory ........................................... Antenna  
Specifications are typical; individual units might vary.  
Specifications are subject to change and improvement  
without notice.  
US PATENT NUMBERS  
3,794,925  
3,801,914  
3,961,261  
3,962,644  
4,027,251  
4,092,594  
4,123,715  
4,245,348  
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55  
Limited One-Year Warranty  
This product is warranted by RadioShack against manufacturing defects in  
material and workmanship under normal use for one (1) year from the date of  
purchase from RadioShack company-owned stores and authorized Ra-  
dioShack franchisees and dealers. In the event of a product defect during the  
warranty period, take the product and the RadioShack sales receipt as proof  
of purchase date to any RadioShack store. RadioShack will, at its option, un-  
less otherwise provided by law: (a) correct the defect by product repair with-  
out charge for parts and labor; (b) replace the product with one of the same or  
similar design; or (c) refund the purchase price. All replaced parts and prod-  
ucts, and products on which a refund is made, become the property of Ra-  
dioShack. New or reconditioned parts and products may be used in the  
performance of warranty service. Repaired or replaced parts and products  
are warranted for the remainder of the original warranty period. You will be  
charged for repair or replacement of the product made after the expiration of  
the warranty period.  
This warranty does not cover: (a) damage or failure caused by or attributable  
to acts of God, abuse, accident, misuse, improper or abnormal usage, failure  
to follow instructions, improper installation or maintenance, alteration, light-  
ning or other incidence of excess voltage or current; (b) any repairs other  
than those provided by a RadioShack Authorized Service Facility; (c) con-  
sumables such as fuses or batteries; (d) cosmetic damage; (e) transportation,  
shipping or insurance costs; or (f) costs of product removal, installation, set-  
up service adjustment or reinstallation.  
EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS  
WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF  
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE  
LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED  
WARRANTIES CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN,  
RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUS-  
TOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY  
LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY  
USE OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY  
BREACH OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY  
DAMAGES RESULTING FROM INCONVENIENCE, LOSS OF TIME, DATA,  
PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCI-  
DENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS  
BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.  
Some states do not allow the limitations on how long an implied warranty  
lasts or the exclusion of incidental or consequential damages, so the above  
limitations or exclusions may not apply to you. This warranty gives you spe-  
cific legal rights, and you may also have other rights which vary from state to  
state.  
RadioShack Customer Relations, Dept. W, 100 Throckmorton St., Suite 600,  
Fort Worth, TX 76102  
We Service What We Sell  
1/97  
RadioShack  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
GE-97-D-2429  
4A7  
Printed in Hong Kong  
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