Radio Shack Scanner PRO 2040 User Guide

20-414.fm Page 1 Wednesday, August 4, 1999 11:12 AM  
Cat. No. 20-414  
OWNER’S MANUAL  
PRO-2040  
100-Channel Programmable Home Scanner  
Please read before using this equipment.  
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20-414.fm Page 3 Wednesday, August 4, 1999 11:12 AM  
Two-Second Scan Delay — delays  
scanning for 2 seconds before mov-  
ing to another channel, so you can  
hear more replies.  
Optional Power Sources — let you  
power your scanner using the sup-  
plied AC adapter or an optional DC  
adapter.  
Weather Band Key scans the  
preprogrammed weather frequen-  
cies to keep you informed of the most  
current weather conditions.  
Warning: To prevent fire or shock  
hazard, do not expose this system to  
rain or moisture.  
Memory Backup — keeps the chan-  
nel frequencies stored in your scan-  
ner’s memory for up to 3 days during  
a power loss.  
CAUTION  
RISK OF ELECTRIC SHOCK.  
!
DO NOT OPEN.  
CAUTION: TO REDUCE THE RISK OF  
ELECTRIC SHOCK, DO NOT REMOVE  
COVER OR BACK. NO USER-SERVICE-  
ABLE PARTS INSIDE. REFER SERVIC-  
ING TO QUALIFIED PERSONNEL.  
Squelch Control — lets you adjust  
the receiver’s sensitivity low enough  
to receive weak signals or high  
enough to eliminate receiver noise  
when not receiving a signal.  
This symbol is intended to alert  
you to the presence of uninsulat-  
ed dangerous voltage within the  
scanner’s enclosure that might be  
of sufficient magnitude to consti-  
tute a risk of electric shock. Do not  
open the scanner’s case.  
Lock-Out Function — prevents  
channels you select from being  
scanned.  
Backlit LCD Display lets you  
easily see the indicators on the scan-  
ner’s display, even at night.  
This symbol is intended to inform  
you that important operating and  
maintenance instructions are in-  
cluded in the literature accompa-  
nying this scanner.  
!
Audio Output Jack — lets you con-  
nect an earphone or headphones for  
private listening, or an external  
speaker for listening in a remote or  
noisy area.  
For your records, please record your  
scanner’s serial number in the space  
provided. The serial number is locat-  
ed on the back of the scanner.  
Optional Antenna Terminals — let  
you connect the supplied telescoping  
antenna to the screw-in terminal, or  
an external antenna to the BNC con-  
nector.  
Serial Number:  
3
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Your PRO-2040 can receive these bands:  
Band  
Modulation  
Frequency Range  
Frequency  
Step  
10-Meter Ham Band  
VHF-Lo  
FM  
FM  
FM  
AM  
FM  
FM  
FM  
FM  
FM  
FM  
FM  
FM  
29.00-29.7 MHz  
29.7-50.00 MHz  
50.00-54.00 MHz  
108-136.975 MHz  
137-148 MHz  
5.0 kHz  
5.0 kHz  
6-Meter Ham Band  
Aircraft  
5.0 kHz  
12.5 kHz  
5.0 kHz  
Government/Ham  
VHF-Hi  
148-174 MHz  
5.0 kHz  
Ham/Government  
UHF-Lo  
406-450 MHz  
12.5 kHz  
12.5 kHz  
12.5 kHz  
12.5 kHz  
12.5 kHz  
12.5 kHz  
450-470 MHz  
UHF-T (TV)  
UHF-Hi  
470-512 MHz  
806-823.9375 MHz  
851- 868.9375MHz  
896.1125-956 MHz  
UHF-Hi  
UHF-Hi  
FCC Notice  
Your scanner might cause radio or TV interference even when it is operating  
properly. To determine if your scanner is causing the interference, turn off your  
scanner. If the interference goes away, your scanner was causing it. Try to elim-  
inate the interference by:  
• Moving your scanner away from the receiver  
• Connecting your scanner to an outlet that is on a different electrical circuit  
from the receiver  
• Contacting your local Radio Shack store for help  
If you cannot eliminate the interference, the FCC requires that you stop using  
your scanner.  
Note: Mobile use of this scanner is unlawful or requires a permit in some areas.  
Check the laws in your area.  
This device complies with Part 15 of FCC Rules. Operation is subject to the fol-  
lowing two conditions:  
• This device may not cause harmful interference.  
• This device must accept any interference received, including interference  
that may cause undesired operation.  
4
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CONTENTS  
Preparation .......................................................................................................7  
Connecting Power .......................................................................................7  
Using Standard AC Power ....................................................................7  
Memory Backup ....................................................................................7  
Using Vehicle Battery Power.................................................................8  
Connecting an Antenna ...............................................................................9  
Telescoping Antenna.............................................................................9  
Optional Outdoor Antenna..................................................................... 9  
Resetting the Scanner’s Display................................................................10  
Initializing the Scanner............................................................................... 11  
Connecting an Earphone/Headphones/External Speaker......................... 11  
Listening Safely................................................................................... 12  
Traffic Safety .......................................................................................12  
Understanding Your Scanner........................................................................13  
A Look at the Front Panel.......................................................................... 13  
A Look at the Display................................................................................. 15  
Understanding the Scanner’s Memory ......................................................17  
Channel-Storage Banks ......................................................................17  
Monitor Memories............................................................................... 17  
Operation ........................................................................................................18  
Turning On the Scanner/Setting the Volume and Squelch ........................ 18  
Finding Birdie Frequencies........................................................................19  
Manually Storing Frequencies in Channels ...............................................20  
Searching For and Temporarily Storing Active Frequencies...................... 21  
Limit Search ........................................................................................ 21  
Direct Search.......................................................................................22  
Search Skip Memory...........................................................................23  
Listening to Monitor Memories................................................................... 24  
Moving a Frequency from a Monitor Memory to a Channel.......................25  
Scanning the Stored Channels..................................................................25  
Turning Channel-Storage Banks On and Off.......................................26  
Manually Selecting a Channel ................................................................... 26  
Listening to the Weather Band................................................................... 27  
Special Features............................................................................................. 28  
Designating a Priority Channel ..................................................................28  
Using the 2-second Delay.......................................................................... 28  
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Locking Out Channels ............................................................................... 29  
Changing Scanning and Search Speeds................................................... 29  
Detecting Data Signals.............................................................................. 30  
A General Guide To Scanning....................................................................... 31  
Guide to Frequencies ................................................................................ 31  
National Weather Frequencies............................................................ 31  
Ham Radio Frequencies ..................................................................... 31  
Guide to the Action Bands......................................................................... 31  
International Broadcast Bands............................................................ 31  
Typical Band Usage ............................................................................ 32  
Primary Usage .................................................................................... 32  
Specified Intervals............................................................................... 33  
Band Allocation ................................................................................... 33  
Frequency Conversion .............................................................................. 38  
Troubleshooting............................................................................................. 39  
Care and Maintenance................................................................................... 40  
Specifications................................................................................................. 41  
Scanning Legally  
Scanning is a fun and interesting hobby. You can hear police and fire depart-  
ments, ambulance services, government agencies, private companies, amateur  
radio services, aircraft, and military operations. It is legal to listen to almost every  
transmission your scanner can receive. However, there are some electronic and  
wire communications that are illegal to intentionally intercept. These include:  
Telephone conversations (cellular, cordless, or other private means of tele-  
phone signal transmission)  
Pager transmissions  
Scrambled or encrypted transmissions  
According to the Federal Electronic Communications Privacy Act (ECPA), as  
amended, you could be fined and possibly imprisoned for intentionally listening  
to, using, or disclosing the contents of such a transmission unless you have the  
consent of a party to the communication (unless such activity is otherwise ille-  
gal). These laws change from time to time and there might be state or local laws  
that also affect legal scanner usage.  
6
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PREPARATION  
• If you have difficulty inserting the  
AC adapter’s polarized plug, do  
not force it. Turn it over and rein-  
sert it.  
CONNECTING POWER  
Using Standard AC Power  
You can power your scanner from a  
standard AC outlet using the sup-  
plied AC adapter.  
1. Insert the supplied AC adapter’s  
barrel plug into the scanner’s DC  
12V jack.  
Warning: Do not use the AC adapt-  
er’s polarized plug with an extension  
cord receptacle unless the blades  
can be fully inserted to prevent blade  
exposure.  
Cautions:  
2. Plug the adapter’s power mod-  
ule into a standard AC outlet.  
• The supplied AC adapter sup-  
plies 12 volts and delivers 500  
milliamps. Its center tip is set to  
positive, and its plug properly fits  
the scanner’s DC 12V jack.  
Using an AC adapter that does  
not meet these specifications  
could damage the scanner or  
the adapter. The scanner’s dis-  
play dims if the AC adapter you  
use does not provide the  
required 12 volts DC.  
Memory Backup  
If a power failure occurs or if the pow-  
er cord is disconnected, the scan-  
ner’s memory backup circuit keeps  
information in memory for up to 3  
days.  
• Be sure you connect the AC  
adapter to the scanner before  
you connect it to a standard AC  
outlet. Then disconnect the  
adapter from the AC outlet  
before you disconnect it from the  
scanner.  
Note: The memory backup circuit  
begins to protect the contents in  
memory within a few minutes after  
you plug in the scanner.  
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20-414.fm Page 8 Wednesday, August 4, 1999 11:12 AM  
• Be sure you connect the DC  
cord to the scanner before you  
connect it to the vehicle’s ciga-  
rette-lighter plug. Then discon-  
nect the cord from the vehicle’s  
cigarette-lighter plug before you  
disconnect it from the scanner.  
Using Vehicle Battery Power  
To power your scanner from your ve-  
hicle’s battery power, you need a DC  
power cord (such as Radio Shack  
Cat. No. 270-1533).  
Cautions:  
Follow these steps to use vehicle  
battery power.  
• Your vehicle must have a 12-volt  
DC, negative-ground electrical  
system.  
1. Insert the barrel plug into the  
scanner’s DC 12V jack.  
• The recommended DC power  
cord supplies 12 volts and deliv-  
ers at least 500 milliamps. The  
center tip on the barrel plug is  
set to positive, and the plug  
properly fits the scanner’s DC  
12V jack. Using a DC power cord  
(or adapter) that does not meet  
these specifications could dam-  
age the scanner or the cord (or  
adapter). The scanner’s display  
dims if the DC cord (or adapter)  
you use does not provide the  
required 12 volts DC.  
2. Plug the other end of the  
adapter into your vehicle’s ciga-  
rette-lighter socket.  
DC 12V Jack  
Note: If the scanner does not oper-  
ate properly when you use a DC cord  
(or adapter), unplug the cord (or  
adapter) from the lighter socket and  
clean the socket to remove ashes  
and other debris.  
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Optional Outdoor Antenna  
CONNECTING AN  
ANTENNA  
The supplied antenna is usually ade-  
quate for strong, local signals. How-  
ever, for the best results in receiving  
weaker, more distant signals on all  
bands, you can attach an optional  
outdoor antenna (not supplied), such  
as a mobile, telescoping, multi-band,  
or outdoor base antenna.  
You can connect either the supplied  
telescoping antenna or an optional  
antenna.  
Telescoping Antenna  
To attach the telescoping antenna,  
simply screw it into the hole on top of  
your scanner.  
Warning: When installing or remov-  
ing an outdoor antenna, follow all  
cautions and warnings included with  
the antenna.  
Notes:  
• This scanner uses  
a
BNC  
antenna connector. If the coaxial  
cable’s connector does not fit  
ANT  
the  
jack, you might also  
need an adapter. Your local  
Radio Shack store sells a com-  
plete line of outdoor antennas,  
adapters, BNC connectors, and  
mounting hardware.  
The antenna’s length controls its  
sensitivity. Adjust the length of the  
telescoping antenna as follows for  
the best reception.  
• Always use 50-ohm coaxial  
cable to connect an outdoor  
antenna. For lengths under 50  
feet, use RG58 (Cat. No. 278-  
1314) or RG8/M (Cat. No. 278-  
1313). For lengths over 50 feet,  
use RG-8, low-loss coaxial cable  
(Cat. No. 278-1312).  
29-54 MHz  
Extend all 3 seg-  
ments  
108-174 MHz Extend only 2 seg-  
ments  
406-956 MHz Collapse Fully (only  
1 segment extend-  
ed)  
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For the best performance, consider  
the following when deciding on an  
outdoor base antenna and its loca-  
tion:  
RESETTING THE  
SCANNER’S DISPLAY  
If the scanner’s display locks up after  
you connect a power source, follow  
these steps to reset it.  
• The location of the external  
antenna should be as high as  
possible.  
1. If the scanner is off, press  
• The external antenna and  
antenna cable should be as far  
away as possible from sources  
of electrical noise (appliances,  
other radios, and so on).  
POWER to turn it on.  
• The external antenna should be  
vertical.  
Mount the antenna following the in-  
structions supplied with the antenna  
and its mounting hardware, then fol-  
low these steps to connect an exter-  
nal antenna.  
2. Using a pointed object, such as  
a straightened paper clip, press  
RESET on the back of the scan-  
ner. The display resets, and the  
scanner turns off.  
1. Route the antenna cable to the  
scanner and connect it to the  
ANT jack on the back of the  
scanner.  
3. Press POWER to turn on the  
scanner again.  
Do not route the cable  
Caution:  
over sharp edges or moving  
objects.  
2. Remove the supplied antenna  
from the top of the scanner.  
10  
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INITIALIZING THE  
SCANNER  
CONNECTING AN  
EARPHONE/  
HEADPHONES/  
EXTERNAL SPEAKER  
If the scanner or its display does not  
work properly even after resetting it,  
follow these steps to initialize the  
scanner.  
1
EXT SP  
The /8-inch  
jack on the back  
of the scanner lets you connect an  
earphone, headphones, or an exter-  
nal speaker.  
Caution: Initializing the scanner  
clears all the channels you stored in  
memory. Initialize the scanner only  
when you are sure it is not working  
properly.  
1. If the scanner is off, press  
POWER  
to turn it on.  
./CLEAR  
2. Press and hold  
, then  
on the back of the  
RESET  
press  
scanner using a pointed object,  
such as a straightened paper  
clip. The display resets, and the  
scanner turns off.  
• For private listening, connect an  
earphone (Cat. No. 33-175).  
• For more comfortable private lis-  
tening, connect monaural head-  
phones (Cat. No. 20-210).  
• For listening from a remote area  
or in a noisy area, connect an  
extension speaker (Cat. No. 21-  
549).  
POWER  
3. Press  
to turn on the  
scanner.  
Note: Connecting any external de-  
EXT SP  
vice to the  
jack automatically  
disconnects the internal speaker.  
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Listening Safely  
Traffic Safety  
To protect your hearing, follow these  
guidelines when you use an ear-  
phone or headphones.  
Do not wear an earphone or head-  
phones while operating a motor vehi-  
cle or riding a bicycle. This can  
create a traffic hazard and is illegal in  
some areas.  
• Do not listen at extremely high  
volume levels. Extended high-  
volume listening can lead to per-  
manent hearing loss.  
Even though some earphones are  
designed to let you hear some out-  
side sounds when listening at normal  
volume levels, they still present a  
traffic hazard.  
• Set the volume to the lowest set-  
ting 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.  
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UNDERSTANDING YOUR SCANNER  
A LOOK AT THE FRONT PANEL  
This look at the scanner’s front panel will help you understand each control’s  
function.  
Control  
POWER  
1-0  
Function  
Turns the scanner on and off.  
Each single-digit number on the keys enters the  
numbers for a channel or a frequency, or each  
range of numbers above the number keys indicates  
the channels that make up a channel-storage bank.  
See “Understanding Channel-Storage Banks.”  
./CLEAR  
Enters the decimal point in a frequency, or clears an  
incorrect entry and is used when you initialize the  
scanner.  
ENTER  
Enters programmed frequencies into channels.  
Sets the scanner’s volume.  
VOLUME  
SQUELCH  
Adjusts the scanner’s receiver sensitivity to help  
you eliminate background noise.  
SCAN  
Starts scanning through the stored channels.  
MANUAL  
Stops scanning and lets you manually enter a chan-  
nel number.  
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Control  
Function  
L/O/SEARCH SKIP  
Turns the selected channel’s lockout function on  
and off, or skips a specified frequency during a limit  
or direct search.  
PRI/HYPER SEARCH  
Sets and turns on and off the priority function for a  
particular channel, or selects the hyper search  
speed.  
LIMIT  
DLY  
Used to set the lower or upper limit during frequen-  
cy searches.  
Programs a 2-second delay for the selected chan-  
nel.  
MON  
Stores frequencies into and accesses the 10 moni-  
tor memories.  
SPEED  
Changes the scanning or search speed. See “Scan-  
ning and Search Speeds.”  
-
Enters the up or down direction in the search mode.  
Programs frequencies into channels.  
D —  
PGM  
WX  
Searches through the seven preprogrammed  
weather channels.  
DATA  
Turns the data skip feature on and off.  
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A LOOK AT THE DISPLAY  
The display has several indicators that show the scanner’s current operating  
mode.  
Indicator  
MON  
Function  
Appears when you listen to a monitor memory.  
BANK  
Appears with numbers (1-10) to the right to show which  
channel-storage banks are turned on for the scan  
mode. See “Understanding Channel-Storage Banks.”  
SCAN  
Appears when you scan channels. Blinks when the  
scanner is in the hyperscan mode.  
MANUAL  
Appears when you manually select a channel.  
PROGRAM  
Appears while you program frequencies into the scan-  
ner’s channels.  
CH  
Digits that precede this indicator show which channel  
the scanner is currently tuned to.  
MHz  
Digits that precede this indicator show which of the  
31,000 possible frequencies the scanner is tuned to.  
P
Appears when you listen to the priority channel.  
PRIORITY  
Appears when you turn on the priority channel feature.  
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Indicator  
Function  
LOCKOUT  
Appears when you manually select a locked channel, or  
during a search hold when the frequency is stored in  
search skip memory.  
DATA  
Appears while the data skip function is turned on.  
DELAY  
Appears when you program a channel for a two-second  
delay before scanning or when you listen to a channel  
programmed with the delay feature.  
WX  
Appears when the scanner is in the weather band  
mode.  
and  
Indicates the search direction. Blinks in high speed  
search mode.  
s
t
SEARCH  
Appears during a limit (-L- also appears) or direct  
search (-d-also appears) or weather scan. Blinks in  
hyper search mode.  
Error  
Lo  
Appears when you make an incorrect keyboard entry.  
Appears when you program the low limit for a frequency  
search.  
Hi  
Appears when you program the high limit for a frequen-  
cy search.  
-h-  
-H-  
Appears during a direct search hold.  
Appears during a limit search hold.  
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Monitor Memories  
UNDERSTANDING THE  
SCANNER’S MEMORY  
The scanner has 10 monitor memo-  
ries. You can use these memories to  
temporarily store frequencies while  
you decide whether or not to store  
them into channels. This is handy for  
quickly storing an active frequency  
when you search through an entire  
band. You can manually select these  
memories, but you cannot scan  
them. See “Searching For and Tem-  
porarily Storing Active Frequencies.”  
You can store up to 110 frequencies  
into your scanner’s memory. You  
store each frequency into either a  
memory called a channel, or a tem-  
porary memory called a monitor. This  
scanner has 100 channel memories  
and 10 monitor memories.  
Channel-Storage Banks  
When you are in the monitor mode,  
one of the memory numbers (1-10)  
appears to the right of the MON indi-  
cator. The number indicates the cur-  
rent monitor memory.  
To make it easier to identify and se-  
lect the channels you want to listen  
to, channels are divided into 10 chan-  
nel-storage banks of 10 channels  
each. Use each channel-storage  
bank to group frequencies, such as  
the police department, fire depart-  
ment, ambulance services, or aircraft  
(see “A Guide to the Action Bands”).  
For example, the police department  
might use four frequencies, one for  
each side of town. You could pro-  
gram the police frequencies starting  
with Channel 1 (the first channel in  
Bank 1) and program the fire depart-  
ment starting with Channel 11 (the  
first channel in Bank 2).  
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OPERATION  
3. Press MANUAL to stop the scan-  
ning. The display shows the cur-  
rent channel.  
TURNING ON THE  
SCANNER/SETTING  
THE VOLUME AND  
SQUELCH  
1. Turn SQUELCH fully clockwise.  
4. Turn VOLUME clockwise to set  
1
the scanner’s volume about /4  
of the way between MIN and  
MAX.  
2. Press POWER to turn on your  
scanner. The scanner continu-  
ously scans the unlocked chan-  
nels.  
5. Turn SQUELCH counterclock-  
wise until you hear a hissing  
noise.  
Note: The first time you turn on  
the scanner, the channels might  
not have any frequencies stored  
in them, but the scanner will  
continuously scan the empty  
channels anyway.  
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20-414.fm Page 19 Wednesday, August 4, 1999 11:12 AM  
6. Adjust VOLUME to a comfortable  
If you store one of these frequencies  
into a channel, you might hear only  
noise when the scanner stops on that  
frequency. If the interference is not  
severe, you might be able to turn  
SQUELCH clockwise to cut out the  
birdie.  
level.  
7. Slowly turn SQUELCH clockwise  
until the hissing noise stops.  
Squelch Tips:  
• If the scanner picks up  
unwanted or weak transmis-  
sions, slightly turn SQUELCH  
clockwise to decrease receiver  
sensitivity.  
To find your scanner’s specific bird-  
ies:  
1. Disconnect the antenna and  
move it away from the scanner.  
• If the scanner does not pick up  
any transmissions, slightly turn  
SQUELCH counterclockwise to  
increase receiver sensitivity.  
Note: Make sure that no other  
nearby radios or TVs are turned  
on.  
2. Search every frequency band  
from its lowest frequency to the  
highest (see “Searching For and  
Temporarily Storing Active Fre-  
quencies”).  
FINDING BIRDIE  
FREQUENCIES  
Birdies are operating frequencies  
generated and used inside the scan-  
ner’s receiver. These operating fre-  
quencies could interfere with  
broadcasts on the same frequencies  
and make them difficult or impossible  
to receive.  
If searching stops (as if the scanner  
had found a signal) but there is no  
sound, that frequency might be a  
birdie.  
For future reference, record all the  
birdies in your particular scanner.  
These are the most common birdies  
to watch for:  
31.0500 MHz  
127.2500 MHz  
128.1875 MHz  
128.2500 MHz  
129.6875 MHz  
132.0500 MHz  
132.2625 MHz  
134.550 MHz  
136.050 MHz  
138.050 MHz  
140.275 MHz  
144.900 MHz  
171.250 MHz  
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20-414.fm Page 20 Wednesday, August 4, 1999 11:12 AM  
PGM  
3. Press  
. 000.0000MHz  
MANUALLY STORING  
FREQUENCIES IN  
CHANNELS  
PROGRAM, BANK, the bank  
number and the selected chan-  
nel number appear on the dis-  
play.  
You can manually store up to 100 fre-  
quencies into your scanner’s chan-  
nels. Radio Shack sells some good  
references for active frequencies,  
such as “Police Call Radio Guide In-  
cluding Fire and Emergency Servic-  
es,” “Official Maritime Frequency  
Directory” and “Official Aeronautical  
Frequency Directory.”  
4. Enter the frequency you want to  
store, including the decimal  
point.  
Radio Shack updates these directo-  
ries every year, so be sure to get a  
current copy. If you do not have a ref-  
erence to frequencies in your area,  
you can use a limit or direct search to  
find a transmission.  
Notes:  
• Frequencies are separated  
from each other in the follow-  
ing steps:  
Frequencies  
29.0-108.0 MHz  
108-136.975 MHz  
137.0-300.0 MHz  
300-3000 MHz  
Steps  
5 kHz  
12.5 kHz  
5 kHz  
Follow these steps to manually store  
frequencies.  
MANUAL  
1. Press  
ning.  
to stop the scan-  
12.5 kHz  
• When you enter a frequency,  
the scanner automatically  
rounds it to the nearest valid  
number. For example, if you  
enter the frequency 151.473,  
your scanner rounds it up to  
151.475.  
2. Enter the channel number where  
you want to store a frequency.  
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5. Press ENTER to store the fre-  
quency into the selected chan-  
nel.  
You can use the scanner’s de-  
lay feature while using limit search  
(see “Delay”).  
Note:  
Follow these steps to search for ac-  
tive frequencies.  
1. Press PGM, then LIMIT. Loand a  
frequency appear on the display.  
Note: If you made a mistake in  
Step 4, Error appears on the  
display. Repeat Steps 4 and 5.  
6. To program the next channel in  
sequence, repeat Steps 3-5.  
2. Using the number keys, enter  
the lowest frequency (including  
the decimal point) you want to  
search within the desired fre-  
quency range, then press  
ENTER.  
To program other channels not  
in sequence, repeat Steps 2-5.  
SEARCHING FOR AND  
TEMPORARILY  
STORING ACTIVE  
FREQUENCIES  
You can search for frequencies using  
a limit or direct search, then either  
skip selected frequencies or tempo-  
rarily store frequencies into monitor  
memories.  
If you enter an invalid fre-  
Note:  
quency, Error appears on the  
display. To correct this, simply  
repeat the step.  
Limit Search  
A limit search lets you search for ac-  
tive transmissions within a specified  
range of frequencies.  
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3. Press LIMIT. Hiand a frequency  
To hold the frequency, press  
LIMIT. -H- appears on the dis-  
play.  
appear on the display.  
Press LIMIT again to exit the  
hold mode and resume the limit  
search.  
Notes:  
• If you press  
or  
during  
D —  
4. Using the number keys, enter  
the highest frequency you want  
to search within the desired fre-  
quency range, then press  
ENTER.  
the hold mode, the frequency  
changes in the current step  
increment toward the upper or  
lower limits.  
• If you tune to a search skip  
frequency, the display shows  
LOCKOUT (see “Search Skip  
Memory”).  
5. Press  
to search upward from  
D
the lower to the upper limit, or  
press to search downward  
from the upper to the lower limit.  
-L-, SEARCH, and s or t  
appear, and the next available  
monitor memory flashes on the  
display.  
Direct Search  
A direct search lets you specify a  
starting frequency, then search for  
active transmissions above or below  
the specified frequency.  
You can use the scanner’s de-  
Note:  
lay feature while using direct search  
(see “Delay”).  
6. When the scanner finds an  
active frequency you want to  
monitor, you can do one of the  
following:  
1. Press MANUAL.  
To store the displayed fre-  
quency into the current moni-  
tor memory, quickly press  
MON.  
To continue the search, press  
or  
.
D —  
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20-414.fm Page 23 Wednesday, August 4, 1999 11:12 AM  
2. Using the number keys, enter  
the frequency (including the dec-  
imal point) you want to start the  
search from, or the channel  
number containing the starting  
frequency, then press MAN or  
PGM to select the channel.  
4. When the scanner finds an  
active frequency you want to  
monitor, you can do one of the  
following:  
To store the frequency into the  
current  
monitor  
memory,  
press MON.  
To continue the search, press  
or  
.
D —  
To hold the frequency, press  
LIMIT. -h- appears on the  
display.  
• Press LIMIT again to exit the  
hold mode and resume the  
direct search.  
3. Press  
to search up or  
to  
D
search down starting from the  
specified frequency or channel.  
-d-, SEARCH, and s or t  
appear, and the next available  
monitor memory flashes on the  
display.  
Notes:  
• If you press  
or  
during  
D —  
the hold mode, the frequency  
changes in the current step  
increment toward the upper or  
lower limits.  
• If you tune to a search skip  
frequency, the display shows  
LOCKOUT (see “Search Skip  
Memory”).  
Search Skip Memory  
If you enter an invalid fre-  
Note:  
quency, Errorappears on the  
display. To correct this, repeat  
Steps 2 and 3.  
You can skip specified frequencies  
during a limit or direct search. This  
lets you avoid unwanted frequencies  
or ones you have already stored in a  
channel. You can program up to 50  
skip frequencies into the scanner’s  
memory.  
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To skip a frequency, press L/O/  
SEARCH SKIP when the scanner  
stops on the frequency during a limit  
or direct search.  
Notes:  
• If you program more than 50  
skip frequencies, each new fre-  
quency replaces earlier ones,  
starting from the first stored fre-  
quency.  
• You can select the skipped fre-  
quency when the scanner is in  
the hold mode. The scanner dis-  
plays LOCKOUT when you  
select a skipped frequency.  
LISTENING TO  
MONITOR MEMORIES  
To clear a single frequency from skip  
memory so the scanner can stop on  
it during a limit or direct search, press  
After you temporarily store frequen-  
cies into the scanner’s monitor mem-  
ories, you can listen to them by  
pressing MANUAL, MON, then the  
number for the monitor memory you  
want to listen to.  
LIMIT to hold the search, press  
or  
D
to select the skipped frequency,  
then press L/O/SEARCH SKIP until  
LOCKOUT disappears from the dis-  
play.  
To listen to the monitor memo-  
Note:  
ries, the priority channel feature must  
be turned off (see “Designating a Pri-  
ority Channel”).  
To clear all the skip frequencies at  
once, while in the search mode,  
press and hold L/O/SEARCH SKIP un-  
til the scanner beeps twice.  
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MON  
3. Press  
, then enter the moni-  
MOVING A FREQUENCY  
FROM A MONITOR  
MEMORY TO A  
tor memory number that has the  
frequency you want to store into  
the channel. MON and the  
entered frequency appear, and  
the channel number blinks on  
the display.  
CHANNEL  
1. Press MANUAL to stop the  
scanning.  
ENTER  
4. Press  
.
The scanner  
stores the frequency into the  
selected channel.  
2. Enter the channel number where  
you want to store the monitor  
SCANNING THE  
STORED CHANNELS  
PGM  
frequency, then press  
.
PROGRAM appears on the dis-  
play.  
To scan the stored channels, press  
SCAN  
. Your scanner scans through  
all the stored channels except the  
ones you lock out (see “Locking Out  
Channels”).  
SQUELCH  
If needed, readjust  
so you  
do not hear the hissing sound be-  
tween transmissions.  
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Turning Channel-Storage  
Banks On and Off  
MANUALLY SELECTING  
A CHANNEL  
You can set your scanner to scan  
more efficiently by turning selected  
channel storage banks on and off.  
When you turn off a bank, the scan-  
ner does not scan any of the 10  
channels in the bank.  
You can continuously monitor a spe-  
cific channel without scanning. This  
is useful if you hear an emergency  
broadcast on a channel and want to  
hear all the details (even though  
there might be periods of silence) or  
if you want to monitor only a specific  
channel or a locked-out channel.  
While scanning, press the number  
key corresponding to the bank you  
want to turn on or off. If the memory  
bank indicator is on, the bank is  
turned on and the scanner scans all  
channels within that bank that are not  
locked out. If the indicator is off, the  
scanner does not scan any of the  
channels within that bank.  
To manually select a channel, press  
MANUAL, enter the channel number,  
then press MANUAL again.  
Notes:  
• You can manually select any  
channel in a bank, even if the  
bank is turned off.  
If scanning has stopped at the de-  
sired channel, simply press MANUAL  
once.  
• You cannot turn off all banks.  
There must be at least one  
active bank.  
Repeatedly press MANUAL to step  
through the channels one at a time.  
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LISTENING TO THE  
WEATHER BAND  
The FCC (Federal Communications  
Commission) has allocated 11 chan-  
nels for use by the National Oceanic  
and Atmospheric Administration  
(NOAA).  
Your scanner is preprogrammed with  
the following frequencies available to  
NOAA.  
162.400 MHz  
162.425 MHz  
162.450 MHz  
162.475 MHz  
162.500 MHz  
162.525 MHz  
162.550 MHz  
To hear your local forecast and re-  
gional weather information, simply  
WX  
press  
play.  
. WX appears on the dis-  
Your scanner searches through the  
weather band and stops on an active  
broadcast. If a broadcast is weak,  
WX  
press  
again to continue to search  
through the weather band.  
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SPECIAL FEATURES  
DESIGNATING A  
PRIORITY CHANNEL  
USING THE 2-SECOND  
DELAY  
By designating a priority channel,  
you can scan through the pro-  
grammed channels and still not miss  
an important or interesting call on a  
specific channel.  
Many agencies use a two-way radio  
system that might have a period of  
several seconds between a query  
and a reply. To avoid missing a reply,  
you can program a 2-second delay  
into any channel. When the scanner  
stops on an active channel with a  
programmed delay, it continues to  
monitor the channel for 2 seconds af-  
ter the activity stops before resuming  
scanning.  
Note: You can select only one chan-  
nel as the priority channel.  
To program a stored channel as the  
priority channel, press PGM, the de-  
sired stored channel number, then  
PRI/HYPER SEARCH. P appears on  
the display.  
To program a 2-second delay into a  
specific channel, manually select the  
desired channel then press DLY. DE-  
LAYappears on the display.  
To turn on the priority feature, press  
PRI/HYPER SEARCH during scan-  
ning. PRIORITY appears on the  
display. The scanner now checks the  
priority channel every 2 seconds,  
and stays on the channel if there is  
activity. P appears on the display  
whenever the scanner is set to the  
priority channel.  
To program a 2-second delay when  
the scanner stops on an active chan-  
nel during scanning, quickly press  
DLY while the channel is still active.  
DELAYappears on the display.  
To turn off the programmed delay on  
any active channel, press DLY while  
the channel is still active. DELAYdis-  
appears from the display.  
To turn off the priority feature, press  
PRI/HYPER SEARCH until PRIORI-  
TY disappears from the display.  
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To unlock all channels, while the  
scanner is scanning, select the  
banks containing the locked chan-  
LOCKING OUT  
CHANNELS  
MAN-  
L/O/  
nels you want to unlock, press  
UAL  
SEARCH SKIP  
You can set your scanner to scan  
more efficiently by locking out chan-  
nels you do not want to monitor. This  
is handy for locking out channels  
where you stored a frequency with a  
continuous transmission, such as a  
weather channel.  
, then press and hold  
until the scanner  
beeps twice.  
CHANGING SCANNING  
AND SEARCH SPEEDS  
MANU-  
To lock out a channel, press  
AL  
, enter the desired channel num-  
The PRO-2040 has two scan and  
three search speeds.  
MAN  
PGM  
ber, press  
channel, then press  
or  
to select the  
L/O/SEARCH  
SKIP  
so LOCKOUT appears on the  
Type  
Speed  
display.  
Normal Scan  
Hyper Scan  
12 channels/second  
50 channels/second  
Normal Search  
High Speed Search  
Hyper Search  
50 steps/second  
100 steps/second  
300 steps/second  
To change the scanning speed, dur-  
SPEED  
ing scanning, press  
to switch  
Notes:  
between normal and hyper scan  
speeds. SCANflashes on the display  
during hyper scan speed.  
• You can still manually select  
locked out channels.  
• You cannot lock out all channels.  
There must be at least one  
active channel in each bank.  
Notes:  
• You can also change the search  
speeds when you listen to the  
weather band.  
To unlock a channel, manually select  
L/O/SEARCH  
so LOCKOUT disappears from  
the channel, then press  
SKIP  
the display.  
• s or t flashes on the display dur-  
ing high speed search.  
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To change the search speed, during  
a limit or direct search, press SPEED  
to switch between the normal and  
high speed search speeds. s or t  
flashes on the display during high  
speed search.  
DETECTING DATA  
SIGNALS  
You can set the scanner to detect  
data signals (nonmodulated signals  
such as preamble signals for pagers)  
during a limit or direct search.  
To select the hyper search speed,  
during a limit or direct search, press  
PRI/HYPER SEARCH. SEARCH flash-  
es on the display during hyper search  
speed.  
You cannot detect data signals  
Note:  
in the air band (AM mode).  
To detect data signals, press DATA  
so DATA appears on the display. If  
the scanner momentarily pauses on  
a transmission and detects a data  
signal, it resumes searching in 2 or 3  
seconds.  
You can use hyper search  
Note:  
speed only in 5 kHz-step bands.  
To stop detecting data signals, press  
DATA so DATAdisappears from the  
display.  
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A GENERAL GUIDE TO SCANNING  
Reception of the frequencies cov-  
Wavelength  
(meters)  
Frequency  
(MHz)  
ered by your scanner is mainly “line-  
of-sight.” That means you usually  
cannot hear stations that are beyond  
the horizon. During the summer  
months, you might be able to hear  
stations in the 30-50 MHz range lo-  
cated several hundred or even thou-  
sands of miles away. This is because  
of summer atmospheric conditions.  
This type of reception is unpredict-  
able but often very interesting!  
70-cm  
420.000–450.000  
GUIDE TO THE ACTION  
BANDS  
International Broadcast  
Bands  
Several shortwave bands are allocat-  
ed for international broadcasting be-  
cause of the nature of propagation of  
high frequencies. The bands are  
sometimes identified according to  
the approximate wavelength of the  
signals in meters.  
GUIDE TO  
FREQUENCIES  
National Weather Frequen-  
cies  
161.650  
162.525  
161.775  
162.550  
162.400  
163.275  
162.425  
162.440  
162.450  
162.475  
162.500  
Ham Radio Frequencies  
Ham operators often transmit emergency  
information when other communication  
methods break down. The following chart  
shows the frequencies that Hams use:  
Wavelength  
(meters)  
Frequency  
(MHz)  
10-meter  
6-meter  
2-meter  
28.000–29.700  
50.000–54.000  
144.000–148.000  
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Typical Band Usage  
HF Band (3.00–30.0 MHz)  
10-Meter Amateur Band  
High Range  
29.00–29.70 MHz  
29.70–29.90 MHz  
VHF Band (30.00–300.0 MHz)  
Low Range  
30.00–50.00 MHz  
50.00–54.00 MHz  
6-Meter Amateur  
Aircraft  
U.S. Government  
2-Meter Amateur  
High Range  
108.00–136.00 MHz  
138.00–144.00 MHz  
144.00–148.00 MHz  
148.00–174.00 MHz  
UHF Band (300.00 MHz–3.0 GHz)  
U. S. Government  
406.00–420.00 MHz  
420.00–450.00 MHz  
450.00–470.00 MHz  
470.00–806.00 MHz  
851.00–856.00 MHz  
856.00–861.00 MHz  
861.00–866.00 MHz  
866.00–869.00 MHz  
896.00–940.00 MHz  
940.00–956.00 MHz  
0.6-Meter Amateur  
Low Range  
FM-TV Audio Broadcast, Wide Band  
Conventional Systems  
Conventional/Trunked Systems  
Trunked Systems  
Public Safety  
Private Trunked  
General Trunked  
Primary Usage  
As a general rule, most of the radio activity is concentrated on the following fre-  
quencies:  
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  
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UHF Band  
Activities  
Frequencies  
Land-Mobile “Paired” Frequencies  
Base Stations  
450.000–470.000 MHz  
451.025–454.950 MHz  
456.025–459.950 MHz  
460.025–464.975 MHz  
465.025–469.975 MHz  
Mobile Units  
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.  
Specified Intervals  
Frequencies in different bands are accessible only at specific intervals.  
For example:  
Band Type  
Specified Interval  
VHF, HAM, and Government  
All Others  
5.0 kHz steps  
12.5 kHz steps  
25.0 kHz steps  
Aircraft  
Note: Your scanner rounds the entered frequency to the nearest valid frequency.  
For example, if you try to enter 151.473, the scanner accepts this as 151.475.  
Band Allocation  
To help decide which frequency ranges to search, use the following listing of the  
typical services that use the frequencies your scanner receives. These frequen-  
cies are subject to change, and might vary from area to area. For a more com-  
plete listing, refer to the “Police Call Radio Guide Including Fire and Emergency  
Services,” available at your local Radio Shack store.  
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Abbreviations  
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)  
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  
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High Frequency (HF)(3 MHz–30 MHz)  
10-Meter Amateur Band—(28.0-29.7 MHz)  
29.000–29.700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM  
Very High Frequency (VHF)(30 MHz-300 MHz)  
Low Band—(29.7–50 MHz—in 5 kHz steps)  
29.700–29.790 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND  
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 Clean up  
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(50-54 MHz)  
50.00–54.00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM  
Land Mobile Service Band (72–76 MHz)  
FM Radio Broadcast, Wide Band (88–108 MHz)  
Aircraft Band (108–136 MHz)  
108.000–121.490 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AIR  
121.500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AIR Emergency  
121.510–136.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AIR  
U.S. Government Band (138–144 MHz)  
137.000–144.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT,MIL  
2-Meter Amateur Band (144–148 MHz)  
144.000–148.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM  
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VHF-Hi Band (148–174 MHz)  
148.050–150.345 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CAP, MAR, MIL  
150.775–150.790 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED  
150.815–150.965 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TOW  
150.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil Spill Clean up  
150.995–151.130 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ROAD  
151.145–151.475 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . POL  
151.490–151.955 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, BUS  
151.985 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELM  
152.0075 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED  
152.030–152.240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELB  
152.270–152.465 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, TAXI  
152.480 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 Clean-Up  
154.600–154.625 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS  
154.655–156.240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED, ROAD, POL, PUB  
156.255 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OIL  
156.275–157.425 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OIL  
161.600–162.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wireless Mikes  
169.500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT  
169.505 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wireless Mikes  
169.55–169.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX  
170.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BIFC  
170.025–170.150 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, RTV, FIRE  
170.175–170.225 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT  
170.245–170.305 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wireless Mikes  
170.350–170.400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL  
170.425–170.450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BIFC  
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170.475 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB  
170.4875-173.175 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, PUB, Wireless Mikes  
173.225–173.375 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MOV, NEWS, UTIL  
173.3875–173.5375 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MIL  
173.5625–173.5875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MIL Medical/Crash Crews  
173.60–173.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT  
Ultra High Frequency (UHF)—(300 MHz–3 GHz)  
U. S. Government Band (406–450 MHz)  
406.125–419.975 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, USXX  
70-cm Amateur Band (420–450 MHz)  
420.000–450.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM  
Low Band (450–470 MHz)  
450.050–450.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RTV  
451.025–452.025 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, OIL, TELM, UTIL  
452.0375–453.00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, TAXI, TRAN TOW, NEWS  
453.0125–453.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB  
454.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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  
462.550–462.725 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GMR  
462.750–462.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS  
462.9375–463.1875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED  
463.200–467.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS  
FM-TV Audio Broadcast, UHF Wide Band (470–512 MHz)  
(Channels 14 through 69 in 6 MHz steps)  
475.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 14  
481.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 15  
487.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 16  
. .  
. .  
. .  
805.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 69  
Note: Some cities use the 470–512 MHz band for land/mobile service.  
Conventional Systems Band—Locally Assigned  
851.0125–855.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CSB  
Conventional/Trunked Systems BandLocally Assigned  
856.0125–860.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CTSB  
37  
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20-414.fm Page 38 Wednesday, August 4, 1999 11:12 AM  
Trunked Systems Band—Locally Assigned  
861.0125–865.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TSB  
Public Safety Band—Locally Assigned  
866.0125–868.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PSB  
Common Carrier  
869.010–894.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CCA  
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 frequency (kHz or MHz) or  
in wavelength (meters). The following information can help you make the neces-  
sary conversions.  
1 MHz (million) = 1,000 kHz (thousand)  
To convert MHz to kHz, multiply by 1,000:  
9.62 MHz × 1000 = 9620 kHz  
To convert from kHz to MHz, divide by 1,000.  
2780 kHz ÷ 1000 = 2.780 MHz  
To convert MHz to meters, divide 300 by the number of megahertz.  
300 ÷ 7.1 MHz = 42.25 meters  
38  
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20-414.fm Page 39 Wednesday, August 4, 1999 11:12 AM  
TROUBLESHOOTING  
Your Radio Shack PRO-2040 100-Channel Programmable Home Scanner  
should require very little maintenance. If you have problems, refer to this chart  
for possible solutions. If you cannot solve the problem, contact your local Radio  
Shack store for assistance.  
Problem  
Probable Cause  
Solution  
Scanner is totally inoperative.  
The AC or DC adapter  
is not properly con-  
nected.  
Be sure the adapter is fully  
inserted into the DC 12V jack  
and into a working AC or DC  
power source receptacle  
The display dims.  
The AC or DC adapter  
does not provide the  
required 12 volts DC.  
Be sure the adapter is set to  
provide no less than 12 volts  
DC.  
The scanner turns on, but  
does not scan.  
The SQUELCH con-  
trol is not correctly  
adjusted.  
Adjust the SQUELCH control  
clockwise (see “Turning On the  
Scanner/Setting the Volume  
and Squelch”).  
In the scan mode, the scanner  
locks on frequencies that have  
an unclear transmission.  
You have programmed  
a “Birdie” frequency.  
Avoid programming frequen-  
cies listed under “Finding  
Birdie Frequencies,” or only  
select them manually.  
Poor or no reception.  
Improperly connected  
antenna.  
Be sure the antenna is properly  
connected.  
Programmed frequen-  
cies are the same as  
Birdie frequencies.  
Avoid programming frequen-  
cies listed under “Finding  
Birdie Frequencies,” or only  
select them manually.  
The environment is not  
suitable for reception by  
the scanner.  
Relocate the scanner and try  
again.  
Keys do not work or display  
changes at random.  
Undetermined error.  
The CPU is locked up.  
Reset or initialize the scanner  
(see “Resetting the Scanner’s  
Display” and “Initializing the  
Scanner”).  
Error appears on the dis-  
play.  
Programming error.  
Reprogram the frequency cor-  
rectly.  
39  
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20-414.fm Page 40 Wednesday, August 4, 1999 11:12 AM  
CARE AND MAINTENANCE  
Your Radio Shack PRO-2040 100-Channel Programmable Home 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. Liq-  
uids might contain minerals that can corrode the electronic cir-  
cuits.  
Handle the scanner gently and carefully. Dropping it can damage  
circuit boards and cases and can cause the scanner to work im-  
properly.  
Use and store the scanner only in normal temperature environ-  
ments. Temperature extremes can shorten the life of electronic  
devices and distort or melt plastic parts.  
Keep the scanner away from dust and dirt, which can cause pre-  
mature wear of parts.  
Wipe the scanner with a damp cloth occasionally to keep it looking  
CLEANER  
new. Do not use harsh chemicals, cleaning solvents, or strong de-  
tergents to clean the scanner.  
Modifying or tampering with the scanner’s internal components can cause a mal-  
function and might invalidate your scanner’s warranty and void your FCC autho-  
rization to operate it. If your scanner is not performing as it should, take it to your  
local Radio Shack store for assistance.  
40  
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20-414.fm Page 41 Wednesday, August 4, 1999 11:12 AM  
SPECIFICATIONS  
Frequency Coverage:  
VHF-Lo............................................................... 29-50 MHz (in 5 kHz steps)  
Ham..................................................................... 50-54 MHz (in 5 kHz steps)  
Aircraft................................................. 108-136.975 MHz (in 12.5 kHz steps)  
Government .................................................... 137-144 MHz (in 5 kHz steps)  
Ham................................................................. 144-148 MHz (in 5 kHz steps)  
VHF-Hi ............................................................ 148-174 MHz (in 5 kHz steps)  
Ham/Government....................................... 406-450 MHz (in 12.5 kHz steps)  
UHF-Standard............................................ 450-470 MHz (in 12.5 kHz steps)  
UHF-T (Television) ..................................... 470-512 MHz (in 12.5 kHz steps)  
UHF-Hi .................................. 806.0000 - 823.9375 MHz (in 12.5 kHz steps)  
UHF-Hi .................................. 851.0000 - 868.9375 MHz (in 12.5 kHz steps)  
UHF-Hi .............................................896.1125 - 956 MHz (in 12.5 kHz steps)  
Channels of Operation ...................Any 100 channels in any band combinations  
Sensitivity:  
AM: 20 dB Signal-to-Noise Ratio at 60% modulation  
108-136.975 MHz..................................................................................1.5 µV  
FM:20 dB Signal-to-Noise Ratio at 3 kHz deviation  
29-54 MHz.............................................................................................0.5 µV  
137-174 MHz.........................................................................................0.7 µV  
406-512 MHz........................................................................................0.5 µV  
806-956 MHz.........................................................................................1.0 µV  
Selectivity:  
±11 kHz  
±15 kHz  
6 dB  
50 dB  
.....................................................................-  
.................................................................... -  
Scanning Rate:  
Normal ................................................................................. 12 channels/sec  
Hyper..................................................................................... 50 channels/sec  
Search Speed:  
Normal ........................................................................................50 steps/sec  
High ..........................................................................................100 steps/sec  
Hyper....................................................300 steps/sec (only 5 kHz step band)  
WX Scanning Rate:  
Normal.............................................................................. 12 frequencies/sec  
High...................................................................................50 frequencies/sec  
Delay Time .......................................................................................... 2 Seconds  
41  
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20-414.fm Page 42 Wednesday, August 4, 1999 11:12 AM  
IF Frequencies.................................................................10.8 MHz and 450 kHz  
Antenna Impedance...............................................................................50 Ohms  
Audio Power..........................................................................1.3 Watts maximum  
Built-In Speaker .................................... 21/4-Inch (57 mm), 8-ohm, dynamic type  
Power Requirements .......................................................... AC 120 Volts, 60 Hz  
Current Drain .................................................................DC 240 mA (squelched)  
DC 400 mA (full volume unsquelched)  
Dimensions ........................................................... 23/4 × 77/8 × 73/4 Inches (HWD)  
70 x 200 x 195 mm  
Weight....................................................................................................... 1.4 lbs  
(640 g)  
Specifications are typical; individual units might vary. Specifications are subject  
to change and improvement without notice.  
42  
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20-414.fm Page 43 Wednesday, August 4, 1999 11:12 AM  
NOTES  
43  
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RADIO SHACK LIMITED WARRANTY  
This product is warranted against defects for 1 year from date of purchase from Radio  
Shack company-owned stores and authorized Radio Shack franchisees and dealers.  
Within this period, we will repair it without charge for parts and labor. Simply bring  
your Radio Shack sales slip as proof of purchase date to any Radio Shack store.  
Warranty does not cover transportation costs. Nor does it cover a product subjected to  
misuse or accidental damage.  
EXCEPT AS PROVIDED HEREIN, RADIO SHACK MAKES NO EXPRESS WARRAN-  
TIES AND ANY IMPLIED WARRANTIES ARE LIMITED IN DURATION TO THE DURA-  
TION OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. Some states  
do not permit limitation or exclusion of implied warranties; therefore, the aforesaid limi-  
tation(s) or exclusion(s) may not apply to the purchaser.  
This warranty gives you specific legal rights and you may also have other rights which vary from  
state to state.  
We Service What We Sell  
9/94  
RADIO SHACK  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
UBZZ01252ZZ  
3A5  
Printed in the Philippines  
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