Radio Shack Two Way Radio 20 501 User Guide

20-501  
PRO-83 200 Channel  
compact scanner w/sweep  
search and lighted keypad  
Read this user’s guide completely  
before using your scanner  
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storing frequencies into channels during  
service search. . . . . . . . . . . . . . . . . . . . . . . . .29  
scanning the stored channels. . . . . . . . . . . . . .30  
manually selecting a channel . . . . . . . . . . . . . .30  
signal stalker . . . . . . . . . . . . . . . . . . . . . . . . . . .31  
Skywarn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36  
WX alert. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38  
chain search. . . . . . . . . . . . . . . . . . . . . . . . . . . .38  
paging system eliminator . . . . . . . . . . . . . . . . .40  
storing frequencies found during chain  
search into channel memory. . . . . . . . . . . . .41  
program band select mode . . . . . . . . . . . . . . .41  
direct entry search . . . . . . . . . . . . . . . . . . . . . .42  
storing frequencies found during direct  
entry search into channel memory . . . . . . . .44  
search skip memory . . . . . . . . . . . . . . . . . . . . .45  
delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47  
turning channel-storage banks on and off . . . .48  
locking out channels . . . . . . . . . . . . . . . . . . . . .48  
priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49  
using keylock. . . . . . . . . . . . . . . . . . . . . . . . . . .50  
wired programming . . . . . . . . . . . . . . . . . . . . .51  
using the display/key backlight. . . . . . . . . . . . .52  
frequently asked questions. . . . . . . . . . . . . . . . 53  
glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58  
index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59  
warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62  
accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . .63  
©2004. RadioShack Corporation. All rights reserved.  
RadioShack and RadioShack.com are trademarks used by  
RadioShack Corporation.  
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The FCC wants you to know  
This equipment has been tested and found to comply with the limits for a  
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits  
are designed to provide reasonable protection against harmful interference  
in a residential installation. This equipment generates, uses, and can  
radiate radio frequency energy and, if not installed and used in accordance  
with the instructions, may cause harmful interference to radio  
communications.  
However, there is no guarantee that interference will not occur in a  
particular installation. If this equipment does cause harmful interference to  
radio or television reception, which can be determined by turning the  
equipment off and on, the user is encouraged to try to correct the  
interference by one or more of the following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Consult your local RadioShack store or an experienced radio/TV  
technician for help.  
If you cannot eliminate the interference, the FCC requires that you stop  
using your scanner.  
Changes or modifications not expressly approved by RadioShack may  
cause interference and void the user’s authority to operate the equipment.  
You must use shielded interface cables with this equipment.  
This device complies with Part 15 of the FCC Rules. Operation 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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powering your scanner  
You can power your scanner from any of three  
sources:  
internal batteries (not supplied)  
standard AC power (using an optional  
AC adapter)  
vehicle battery power (using an optional  
DC adapter)  
Before installing batteries, set the switch in the  
battery compartment to match the type of batteries  
you will use. Select RECHARGEABLE for all  
non-alkaline battery types, including lithium, Ni-Cd  
and Ni-MH.  
Remove battery cover and set battery switch.  
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Install 2 AA batteries, matching the polarity  
symbols (+ -).  
Replace the cover.  
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Warning: Set ALKALINE/RECHARGEABLE to  
RECHARGEABLE for use only with nickel cadmium  
(Ni-Cd) or nickel metal hydride (Ni-MH) rechargeable  
batteries. Never attempt to recharge non-  
rechargeable batteries. Non-rechargeable batteries  
can get hot or explode if you try to recharge them.  
Cautions:  
Use only fresh batteries of the required size and  
recommended type.  
Do not mix batteries of different capacities or  
different chemistries.  
Always remove old or weak batteries. Batteries  
can leak chemicals that destroy electronic  
circuits.  
When  
flashes and the scanner beeps every 15  
seconds, replace both batteries.  
Warning: Always dispose of old batteries promptly  
and properly. Do not bury or burn them.  
using rechargeable batteries  
You can also use two rechargeable batteries to  
power your scanner. Before you use Ni-Cd or Ni-MH  
batteries, you must charge them.  
The scanner has a built-in circuit that lets you  
recharge Ni-Cd or Ni-MH batteries while they are in  
the scanner. To charge the batteries, set ALKALINE/  
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RECHARGEABLE inside the battery compartment to  
RECHARGEABLE, install the batteries in the scanner,  
and connect an external AC or DC adapter to the  
scanner's DC 6V jack (see “using AC power” on  
Page 10 or “using vehicle battery power” on  
Page 11).  
Warning: Do not connect either the AC or DC  
adapter to the scanner if non-rechargeable batteries  
(such as alkaline batteries) are installed in the scan-  
ner and ALKALINE/RECHARGEABLE is set to  
RECHARGEABLE, or if you are unsure of the  
switch's position. Non-rechargeable batteries will  
get hot and can even explode if you try to recharge  
them.  
Before you use Ni-Cd or Ni-MH batteries for the first  
time, charge them for 14 hours to bring them to a  
full charge.  
Discharged batteries take about 14 hours to fully  
recharge.  
Notes:  
Ni-Cd batteries last longer and deliver more  
power if you occasionally let them fully  
discharge. To do this, simply use the scanner  
until it beeps every 15 seconds and  
flashes.  
To prevent damage to Ni-Cd batteries, never  
charge them in an area where the temperature is  
above 113°F (40°C) or below 40°F (4°C).  
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If you connect an external power source to the  
scanner with ALKALINE/RECHARGEABLE set to  
ALKALINE, CHArg appears but the scanner  
does NOT charge the batteries. This is because  
the scanner's microprocessor unit does not  
recognize the switch position when you  
incorrectly connect an external power source.  
Make sure that you use the correct batteries and  
set ALKALINE/RECHARGEABLE to the correct  
position when you connect an external power  
source.  
Important: The EPA certified RBRC  
Battery Recycling Seal on the  
rechargeable battery indicates  
RadioShack is voluntarily  
participating in an industry program  
to collect and recycle these batteries  
a the end of their useful life, when taken out of  
service in the United States or Canada. The RBRC  
program provides a convenient alternative to  
placing used rechargeable batteries into the trash or  
the municipal waste stream, which may be illegal in  
your area. Please call 1-800-THE-SHACK  
(1-800-843-7422) for information on rechargeable  
battery recycling and disposal bans/restrictions in  
your area. RadioShack's involvement in this  
program is part of the company's commitment to  
preserving our environment and conserving our  
natural resources.  
9
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using AC power  
You can power the scanner using a 6V, 300 mA AC  
adapter and a size B Adaptaplug™ adapter (neither  
supplied). Both are available at your local  
RadioShack store.  
Cautions:  
You must use a Class 2 power source that  
supplies 6V DC and delivers at least 300 mA.  
Its center tip must be set to positive and its plug  
must fit the scanner's DC 6V jack. Using an  
adapter that does not meet these specifications  
could damage the scanner or the adapter.  
Always connect the AC adapter to the scanner  
before you connect it to AC power. When you  
finish, disconnect the adapter from AC power  
before you disconnect it from the scanner.  
Follow these steps to use the scanner on AC power.  
Make sure the power is turned off.  
Insert the Adaptaplug into the AC adapter's  
cord so it reads TIP +. Then, insert the  
Adaptaplug into the scanner's DC 6V jack.  
Plug the AC adapter into a standard AC outlet.  
The Basics  
10  
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using vehicle battery power  
You can power the scanner from a vehicle's 12V  
power source (such as a cigarette-lighter socket)  
using a 6V, 300 mA DC adapter and a size B  
Adaptaplug (neither supplied). Both are available at  
your local RadioShack store.  
Cautions:  
You must use a power source that supplies 6V DC  
and delivers at least 300 mA. Its center tip must  
be set to positive and its plug must fit the scan-  
ner's DC 6V jack. Using an adapter that does not  
meet these specifications could damage the  
scanner or the adapter.  
Always connect the DC adapter to the scanner  
before you connect it to the power source.  
When you finish, disconnect the adapter from  
the power source before you disconnect it from  
the scanner.  
Make sure the power is turned off.  
If the adapter has a voltage switch, set the switch  
to 6V.  
Insert the Adaptaplug into the DC adapter's cord  
so it reads TIP +. Then, insert the Adaptaplug into  
the scanner's DC 6V jack.  
Plug the other end of the adapter into your  
vehicle's cigarette-lighter socket.  
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If rechargeable batteries are installed and  
ALKALINE/RECHARGEABLE is set to  
RECHARGEABLE, the adapter powers the scanner  
and recharges the installed batteries at the same  
time.  
Note: If the scanner does not operate properly  
when you use a DC adapter, unplug the adapter  
from the cigarette-lighter socket and clean the  
socket to remove ashes and debris.  
The Basics  
12  
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setting up your scanner  
connecting the antenna  
To attach the supplied flexible antenna to the  
connector on the top of your scanner, align the slots  
around the antenna's connector with the tabs on the  
scanner's BNC connector. Then slide the antenna's  
connector down over the scanner's connector and  
rotate the antenna connector's outer ring clockwise  
until it locks into place.  
connecting an optional antenna  
The scanner's BNC connector makes it easy to  
connect a variety of optional antennas, including an  
external mobile antenna or outdoor base station  
antenna. Your local RadioShack store sells a wide  
selection of antennas.  
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Note: Always use 50-ohm, RG-58, or RG-8, coaxial  
cable to connect an outdoor antenna. If the antenna  
is more than 50 feet from the scanner, use RG-8 low-  
loss dielectric coaxial cable. If your antenna's cable  
does not have a BNC connector, your local  
RadioShack store carries a variety of BNC adapters.  
connecting an earphone/headphone  
For private listening, you can plug a 1/8-inch  
(3.5 mm) mini-plug earphone or mono headphones  
(not supplied) into the headphone jack on top of  
your scanner. This automatically disconnects the  
internal speaker.  
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  
permanent hearing loss.  
Set the volume to the lowest setting before you  
begin listening. After you begin listening, adjust  
the volume to a comfortable level.  
The Basics  
14  
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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 discom-  
fort might still damage your hearing.  
traffic safety  
Do not use an earphone or headphones with your  
scanner when operating a motor vehicle 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, be very careful. Do not listen to a  
continuous broadcast. Even though some  
earphones/headphones let you hear some outside  
sounds when listening at normal volume levels, they  
still can present a traffic hazard.  
connecting an extension speaker  
In a noisy area, an optional extension speaker, posi-  
tioned in the right place, might provide more com-  
fortable listening. Plug the speaker cable's 1/8-inch  
(3.5-mm) mini-plug into your scanner's headphone  
jack. Your local RadioShack store carries a selection  
of suitable speakers.  
Warning: If you connect an external speaker to the  
scanner's headphone jack, never connect the audio  
output line to a power supply and ground. This  
might damage the scanner.  
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attaching the belt clip  
To make your scanner easier to carry when you are  
on the go, use the supplied belt clip. Use a Phillips  
screwdriver and the supplied screws to attach the  
clip to the scanner.  
The Basics  
16  
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about your scanner  
We use a few simple terms in this manual to explain  
the features of the scanner. Familiarize yourself with  
these terms and the scanner's features, and you can  
put the scanner to work for you right away. Simply  
determine the type of communications you want to  
receive, and then set the scanner to scan those  
communications.  
A frequency, expressed in kHz or MHz, is the tuning  
location of a station. To find active frequencies, you  
use the search function or refer to a frequency refer-  
ence.  
Besides searching within a selected frequency  
range, you can also search your scanner's service  
banks. Service banks are preset groups of frequen-  
cies categorized by the type of services that use  
those frequencies. For example, many amateur  
radio frequencies are located in the HAM service  
bank.  
When you search and find a desired frequency, you  
can store it into a programmable memory location  
called a channel. Channels are grouped into  
channel-storage banks. The scanner has 10 channel-  
storage banks and each bank has 20 channels. You  
can scan the channel-storage banks to see if there is  
activity on the frequencies stored there.  
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a look at the keypad  
Your scanner's keys have various functions labeled  
on the key tops and below the keys.  
To select the function labeled on a key, simply press  
the key. To select the function labeled below a key,  
first press FUNC then release it.  
appears on the  
F
display. Then quickly press the next key in the  
function key sequence while appears.  
F
appears or disappears as you press FUNC.  
F
If your scanner's keys seem confusing at first, the  
following information should help you understand  
each key's function.  
HOLD/  
/
:
HOLD Holds the scan or the frequency search.  
Press and hold HOLD to increment channels  
continuously.  
FUNC +  
Switches between the three signal  
stalker modes.  
The Basics  
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SCAN/SRCH:  
SCAN Scans the stored channels.  
FUNC+ SRCH Starts chain search or resumes  
searching.  
/KEYLOCK:  
Turns the display and key backlight on or off.  
FUNC+ KEYLOCK Locks and unlocks the keypad.  
FUNC Lets you use various functions by pressing  
this key in combination with other keys.  
Press and hold for more than 2 seconds to turn  
the scanner on or off.  
1/PRIORITY:  
1 Enters a 1.  
FUNC + PRIORITY Sets and turns the priority  
function on or off.  
2/  
:
2 Enters a 2.  
FUNC +  
Selects the scan or search direction.  
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3/SVC:  
3 Enters a 3.  
FUNC + SVC Lets you search the five service  
search banks.  
4/ALT:  
4 Enters a 4.  
FUNC + ALT Turns the WX alert function on or  
off.  
5/DLY:  
5 Enters a 5.  
FUNC + DLY Turns the delay function on or off.  
6/B.SLCT:  
6 Enters a 6.  
FUNC + B.SLCT Goes to program band select  
mode.  
7 Enters a 7.  
8/  
:
8 Enters an 8.  
FUNC +  
Selects the scan or search direction.  
The Basics  
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9 Enters a 9.  
.
/CLR/  
:
.
/CLR Enters a decimal point or clears an incor-  
rect entry.  
Jumps directly to the last channel in memory  
(Ch#200) from any mode.  
0/L/O:  
0 Enters a 0.  
FUNC + L/O Lets you lock out a selected channel  
or skip a specified frequency.  
E/PGM:  
E Enters frequencies into channels.  
FUNC+ PGM Programs frequencies into chan-  
nels.  
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a look at the display  
The display has indicators that show the scanner's  
current operating status. The display information  
helps you understand how your scanner operates.  
BANK - appears with numbers (1-10).  
P - appears when you select a priority channel.  
SCN - appears when you scan channels.  
SRCH - appears during search mode.  
PRI - appears when the priority feature is turned on.  
HOLD - appears during scan hold mode and search  
hold mode.  
DLY - appears when you select a delay.  
The Basics  
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L/O - appears when you manually select a channel  
you locked out or a skip frequency.  
- appears when you lock the keypad.  
- alerts you when the battery power gets low.  
PGM - appears while you store a frequency into a  
channel.  
or - appears during search mode.  
F
- appears only when the function mode is on.  
WX, POL FIRE, AIR, MRN, or HAM - appears along  
with an indicator that shows the current service  
bank during a service search.  
ALT - appears during a WX alert or while the signal  
stalker function is on.  
- appears when the scanner is set to a signal  
stalker mode.  
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understanding banks  
service banks  
The scanner is preprogrammed with all the frequen-  
cies allocated to the weather, ham, marine, aircraft,  
and police (fire/emergency) services.  
channel storage banks  
To make it easier to identify and select the channels  
you want to listen to, the 200 channels are divided  
into 10 channel-storage banks. Each bank has 20  
channels. Use each channel-storage bank to group  
frequencies, such as those for the police depart-  
ment, fire department, ambulance services, or air-  
craft.  
For example, the police department might use four  
frequencies in your town while the fire department  
uses an additional four. You could program the four  
police frequencies starting with Channel 1 (the first  
channel in bank 1), and program the fire department  
frequencies starting with Channel 21 (the first chan-  
nel in bank 2).  
The Basics  
24  
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operating your scanner  
turning on the scanner and  
setting squelch  
Your scanner is preprogrammed at the factory with  
150 of the most frequently used frequencies in  
Channels 1 to 150. You can scan these frequencies  
as soon as you turn on the scanner.  
Note: Make sure the scanner's antenna is connected  
before you turn it on.  
Turn SQUELCH fully counterclockwise.  
Press and hold  
for about two seconds to turn  
the scanner on, and then turn VOLUME clockwise  
until you hear a hissing sound.  
If the scanner is scanning, press HOLD to stop  
scanning, and then turn SQUELCH clockwise  
until the hissing stops.  
Press SCAN. See “scanning the stored channels”  
on Page 30.  
storing known frequencies  
into channels  
You can locate and store specific frequencies into  
channels for later use. To assist you in locating a  
desired frequency from the scanner's wide range,  
25  
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consider using a frequency guide. Excellent refer-  
ences for active frequencies are the RadioShack  
Police Call Guide including Fire and Emergency  
Services, and Official Aeronautical Frequency Direc-  
tory. We update these directories every year, so be  
sure to get a current copy.  
Follow these steps to store frequencies into chan-  
nels.  
Press HOLD. Then enter the channel number  
where you want to store a frequency. Then press  
FUNC and PGM. The channel number appears.  
.
Use the number keys and /CLR to enter the  
frequency (including the decimal point) you want  
to store.  
Press E to store the frequency into the channel.  
Notes:  
•If you entered an invalid frequency in Step 2,  
Error appears and the scanner beeps three  
times. Enter a valid frequency.  
•The scanner automatically rounds the entered  
number to the nearest valid frequency. For  
example, if you enter 151.473 (MHz), your  
scanner accepts it as 151.475.  
Beyond the Basics  
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•When you enter a frequency into a channel, the  
scanner automatically turns on the delay  
function and DLY appears. When delay is  
turned on, the scanner automatically pauses  
scanning 2 seconds after the end of a transmis-  
sion before scanning proceeds to the next  
channel. To turn the function off or on, press  
FUNC + DLY.  
entered elsewhere, the scanner sounds an  
error tone and displays the channel that was  
duplicated. If you entered the frequency by  
.
mistake, press /CLR then enter the correct fre-  
quency. To enter the frequency anyway, press E  
to accept.  
To program the next channel in sequence, press  
FUNC + PGM and repeat Steps 2 and 3.  
To program the scanner with your local Skywarn  
frequency, use the supplied frequency guide to  
find the frequency for your area, and then repeat  
Steps 1-3 to program Channel 200 with that fre-  
quency. For more information, see “Skywarn” on  
Page 36.  
27  
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searching for and  
temporarily storing  
active frequencies  
If you do not have a reference to frequencies in your  
area, use a search (except weather service search)  
to find a transmission.  
Note: When the scanner starts searching, it  
automatically turns on the delay function. To turn  
delay on or off, press FUNC + DLY.  
service search  
You can search for weather, ham, marine, aircraft, or  
police (fire/emergency) transmissions without  
knowing the specific frequencies used in your area.  
Your scanner is preprogrammed with all the  
frequencies allocated to these services. To use this  
feature, press FUNC and SVC. SRCH appears and  
the scanner searches, starting with the weather  
service bank. To select a different service bank,  
repeatedly press FUNC and SVC. Service mode  
appears on the display.  
When the scanner stops on a transmission, quickly  
press HOLD to stop searching and listen to the  
transmission. HOLD appears. In this mode, you can  
press FUNC and  
or FUNC and  
to step  
through the frequencies.  
Beyond the Basics  
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To release the hold and continue searching, press  
HOLD. Or, if you did not press HOLD, simply press  
FUNC and  
or FUNC and  
to continue  
searching.  
Note: Because there are many different frequencies  
allocated to fire and police departments, it can take  
several minutes to search all the service  
frequencies.  
storing frequencies into channels  
during service search  
You can store frequencies you found during service  
search or service search hold mode into channels.  
Press FUNC and PGM during service search or  
service search hold mode. The frequency and the  
lowest blank channel alternately appear.  
Press E to store the frequency into the blank  
channel. If you want to select another channel,  
press FUNC +  
or  
before you press E. You  
can also use the 0-9 key to select the bank.  
If you entered a frequency that has already been  
entered elsewhere, the scanner sounds an error  
tone and displays the channel that was duplicated. If  
.
you entered the frequency by mistake, press /CLR,  
and then enter the correct frequency. To enter the  
frequency anyway, press E to accept.  
29  
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scanning the stored channels  
To begin scanning channels, press SCAN. The  
scanner scans through all non-locked channels in  
the activated banks. (See “locking out channels” on  
Page 48 and “turning channel-storage banks on and  
off” on Page 48). When the scanner finds a transmis-  
sion, it stops on it. When the transmission ends, the  
scanner resumes scanning.  
Notes:  
If you have not stored frequencies into any  
channels, the scanner does not scan.  
If the scanner picks up unwanted partial, or very  
weak transmissions, turn SQUELCH clockwise  
to decrease the scanner's sensitivity to these  
signals. To listen to a weak or distant station,  
turn SQUELCH counterclockwise.  
To ensure proper scanning, adjust SQUELCH  
until the audio mutes.  
manually selecting a channel  
You can continuously monitor a single channel  
without scanning. This is useful if you hear an emer-  
gency broadcast on a channel and do not want to  
miss any details - even though there might be peri-  
ods of silence - or if you want to monitor a specific  
channel.  
Beyond the Basics  
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To manually select a channel, press HOLD, enter the  
channel number and then press HOLD again.  
Or, during scanning, if the radio stops at a channel  
you want to listen to, press HOLD once. (Repeatedly  
pressing HOLD at this time causes the scanner to  
step through the channels.) Press SCAN to resume  
automatic scanning.  
signal stalker  
Your scanner's Signal Stalker feature lets you set the  
scanner so it detects, then displays the frequency of  
a nearby strong radio transmission. You can set the  
scanner so Signal Stalker works "in the background"  
while you scan other frequencies, turn off normal  
scanning while Signal Stalker works, or turn off Sig-  
nal Stalker and use your scanner normally. You can  
set the scanner so it alerts you when Signal Stalker  
finds a frequency. You can also set the frequency  
band where you want the scanner to look  
for transmissions.  
Notes:  
Signal Stalker works well for locating the source  
of strong local transmissions such as mobile  
and handheld two-way radios in areas with no  
other strong transmission sources. However, if  
you are in an area with many transmission  
sources (such as pager radio transmitters, multi-  
use radio towers, traffic control devices, etc.),  
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Signal Stalker might not find the transmission  
you are searching for, or it might find a transmis-  
sion other than the one you are searching for.  
Signal Stalker cannot detect satellite dishes or  
any transmitter with a frequency above or below  
the frequency ranges listed under “setting the  
signal stalker options” on Page 32.  
Signal Stalker works better with some types of  
transmissions than others. It might not correctly  
display frequency information for transmitters  
using a highly directive antenna (such as an  
amateur radio beam antenna), if there are many  
transmitters operating at the same time in the  
same area, or if the transmitter is a broadcast  
television station.  
setting the signal stalker options  
Press FUNC and then press and hold  
seconds. One of the following signal stalker  
options appears...  
for 2  
S-S.bnd: Lets you select the signal stalker band.  
S-S.ALt: Lets you select the signal stalker alert  
settings.  
Repeatedly press  
or  
to select the option  
you want, then press E.  
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If you selected S-S.bnd, one of the following  
band names appears.  
bnd Lo: VHF Low Band (25.0000 - 54.0000 MHz)  
bnd Air: AIR Low Band (108.0000 - 136.9875  
MHz)  
bnd Hi: VHF High Band (137.0000 - 174.0000  
MHz)  
bnd UHF: UHF Band (406.0000 - 512.0000 MHz)  
bnd 800: 800MHz Band (806.0000 - 956.0000  
MHz)  
If you selected S-S.Alt, skip to Step 4.  
Repeatedly press  
or  
until the band you  
want to search appears, and then press E to  
.
select it. Otherwise, press /CLR if you do not  
want to select it.  
The scanner displays the following options.  
Lo On or Lo OFF  
Air On or Air OFF  
Hi On or Hi OFF  
UHF On or UHF OFF  
800 On or 800 OFF  
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Repeatedly press  
or  
until the option you  
want appears, and then press E to select it.  
.
Otherwise, press /CLR if you do not want to  
select it. Then skip to Step 7.  
Press E while S-S.Alt appears. One of the  
following alert options appears...  
ALt bEEP: The scanner beeps when a signal  
stalker signal is detected.  
ALt Light: The scanner flashes the display back-  
light when a signal stalker signal is detected.  
ALt bP-Lt: The scanner flashes the display back-  
light and beeps when a signal stalker signal is  
detected.  
ALt OFF: The scanner does not provide any alert  
when a signal stalker signal is detected.  
Repeatedly press  
or  
until the option you  
want appears, then press E to select it.  
.
Otherwise, press /CLR if you do not want to  
select it.  
When you select the option, press SCAN to start  
signal stalker search. Otherwise, to continue  
normal scanning, repeatedly press FUNC until  
F
disappears then press SCAN.  
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using signal stalker  
To turn on Signal Stalker, press FUNC +  
once  
except in WX search, band select, or program  
mode. appears. Every two seconds, the  
scanner searches for frequencies in the range you  
specified in “setting the signal stalker options” on  
Page 32.  
Note: To continue scanning normally while Signal  
Stalker works, simply press SCAN.  
When the scanner finds a frequency, it sounds the  
alert you specified in “setting the signal stalker  
options” on Page 32, and “Found” flashes. Press any  
key to confirm the displayed frequency. Press SCAN  
to resume scanning. Or press  
or  
while the  
F
frequency and  
you are searching.  
appear to select the band where  
To turn on Signal Stalker and turn off normal scan-  
ning, press FUNC + twice. flashes. To turn  
off Signal Stalker and turn on normal scanning,  
press FUNC +  
three times.  
disappears.  
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Skywarn  
The skywarn function lets you jump directly to the  
last channel in memory (Channel 200) from any  
mode by pressing FUNC +  
. The scanner goes  
into scan hold mode and starts receiving  
transmissions in the last channel. If no frequency is  
programmed in the last channel, No Prg appears  
and the scanner sounds an error tone.  
about Skywarn  
Skywarn is an organized group of trained weather  
observers. A Skywarn group exists in virtually every  
US county with a significant population. During  
inclement weather, reports made by Skywarn  
observers include information about:  
pea-sized and larger hail  
wind and wind gusts 40 MPH and greater  
heavy rainfall  
lightning (cloud-to-cloud and especially cloud-  
to-ground)  
wall clouds seen in severe thunderstorms  
(which spawn tornadoes)  
severe lowering of a wall cloud  
turbulence in a wall cloud  
funnel clouds  
tornadoes  
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high water areas  
downed power lines  
other emergency conditions that affect life or  
property  
Listening to Skywarn broadcasts makes it easy to  
quickly find out about and prepare for inclement  
weather conditions in your immediate area, even  
before your local NOAA weather broadcast and  
local TV or radio station can announce them.  
Use the supplied frequency list to find the local  
Skywarn frequency for your area, enter it into  
Channel 200 on your scanner, then listen to Skywarn  
first when severe weather threatens.  
Listen to NOAA: for weather alerts and warnings,  
watch box notices, and weather forecasts.  
Listen to Skywarn: to hear trained observers in your  
vicinity call in official reports to a "net control"  
station who relays those reports to NOAA and other  
emergency agencies.  
If you tune to a Skywarn frequency when the  
Skywarn net is not active, you may hear nothing or  
you may hear amateur radio operators talking on a  
local repeater system.  
Most importantly, you are getting those reports  
directly from trained observers - that means you get  
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it several minutes before it can be relayed for  
broadcast by NOAA and as much as 5 or 10 minutes  
sooner than you will hear it on local TV or radio!  
Those few minutes can be worth a lot when it  
comes to deciding if your family needs to take cover.  
WX alert  
turning on the weather alert feature  
Turn on the WX alert function by pressing FUNC and  
ALT in the WX search or WX search hold mode. ALT  
appears. When the scanner receives a WX alert  
signal while the WX alert function is on, it goes into  
WX alert hold mode and generates a WX alert tone,  
and ALT flashes. To stop the WX alert tone, press  
any key. ALT disappears.  
chain search  
This feature lets you search through preset fre-  
quency ranges. You can also change each range to a  
range you set. There are three modes within this  
feature: chain search mode, chain search hold  
mode, and program band select mode.  
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The preset frequency ranges are:  
Bank No. Frequency (MHz)  
Step (kHz)  
1
25.0000-27.9950  
28.0000-29.6950  
29.7000-49.9950  
50.0000-54.0000  
137.0000-143.9950  
144.0000-147.9950  
5
5
5
5
5
5
2
3
4
5
6
7
406.0000-419.99375 6.25  
420.0000-449.99375 6.25  
450.0000-469.99375 6.25  
8
9
10  
806.0000-956.0000  
12.5  
chain search mode  
Press FUNC and SRCH to start chain search mode.  
SRCH, the enabled search bank number, and  
or  
(indicating the search direction) appear. The  
search bank number being searched flashes.  
Press 0-9 to enable or disable the search bank  
number being searched in this mode. Enabled bank  
numbers appear. (Disabled bank numbers  
disappear).  
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At least one search bank must be enabled. (The  
scanner sounds an error tone if you try to disable all  
the search banks). The search bank and the fre-  
quency where chain search starts depends on how  
the scanner was set before you selected chain  
search mode.  
chain search hold mode  
To start chain search hold mode, press HOLD in  
chain search mode. The scanner stops searching  
and HOLD appears. In this mode, pressing FUNC  
and  
pressing FUNC +  
upward. or  
search direction.  
changes the search direction downward and  
changes the search direction  
appears according to the current  
paging system eliminator  
(information being developed)  
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storing frequencies found during  
chain search into channel memory  
You can store frequencies you find in chain search  
mode or chain search hold mode.  
Press FUNC and PGM in chain search mode or  
chain search hold mode. The lowest blank chan-  
nel and bank appear.  
Press E to store the frequency into the blank  
channel. To select another channel, press FUNC  
+
or  
before you press E. You can also  
press 0-9 to select the bank.  
If you try to save a frequency that is already stored,  
the scanner sounds an error tone and displays the  
channel that was duplicated. If you entered the fre-  
.
quency by mistake, press /CLR. To enter the fre-  
quency anyway, press E to accept.  
The scanner sets itself to program mode after you  
store a frequency.  
program band select mode  
You can use this mode to define the search range  
used during a chain search in each search bank. To  
set the scanner to program band select mode, press  
FUNC and B.SLCT. SEARCH appears. Then select a  
search bank.  
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When you select the search bank, the lower limit  
and upper limit frequency assigned in the search  
bank alternate on the display.  
To select another search bank, press FUNC +  
B.SLCT or FUNC  
to increase the search bank  
to decrease it. Hold down  
or FUNC + for about 1 second to  
number or FUNC +  
FUNC +  
quickly move through the search bank numbers.  
After choosing the search bank, follow these steps  
to set the lower limit and upper limit frequency.  
Enter the lower limit frequency by using the 0-9  
.
and /CLR keys.  
Press E to select the lower limit frequency.  
Enter the upper limit frequency by using the 0-9  
.
and /CLR keys.  
Press E to select the upper limit frequency.  
direct entry search  
You can use direct entry search to search up or  
down from the currently displayed frequency.  
If the scanner is scanning or searching, press  
HOLD.  
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Enter the frequency you want to start from by  
.
using the number keys. (Press /CLR to enter a  
decimal point).  
Press FUNC and  
or  
. The scanner  
searches, starting from the frequency you  
entered in Step 2.  
If you enter a frequency that is out of range, the  
scanner sounds an error tone and Error appears.  
Press FUNC +  
downward or FUNC +  
to change the search direction  
to change the search  
direction upward. Frequencies appear during the  
search.  
Notes:  
You can set the delay function on or off during  
the search or while the search stops.  
You can skip a frequency when the search stops.  
After the search skip frequency is set, the scan-  
ner starts direct search again.  
direct entry search hold mode  
To stop searching during direct entry search, press  
HOLD. HOLD appears. In this mode, pressing FUNC  
+
changes the search direction downward and  
pressing FUNC +  
changes the search direction  
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upward.  
or  
appears depending on the search  
direction.  
Press FUNC +  
step or FUNC +  
to decrease the frequency by one  
to increase it by one step. Hold  
for about 1 second to quickly  
down  
or  
decrease or increase the frequency.  
To resume direct search, press FUNC + SEARCH or  
HOLD. (  
or  
appears on the display, showing  
the search direction).  
storing frequencies found during  
direct entry search into channel  
memory  
Follow these steps to store frequencies received  
during direct entry search mode or direct entry  
search hold mode.  
Press FUNC and PGM in direct entry search  
mode or direct entry search hold mode. The fre-  
quency and lowest blank channel alternate on the  
display.  
Press E to store the frequency into the blank  
channel. To select another channel, repeatedly  
press FUNC +  
or  
to select the blank chan-  
nel you want, and then press E. You can also use  
the 0-9 keys to select the bank.  
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If you enter a frequency that has already been  
entered elsewhere, the scanner sounds an error  
tone and displays the channel that was duplicated. If  
.
you entered the frequency by mistake, press /CLR.  
To enter the frequency anyway, press E to accept.  
The scanner moves to program mode after you  
stored the frequency.  
search skip memory  
You can skip up to 50 specified frequencies during a  
search. This lets you avoid unwanted frequencies or  
those already stored in a channel.  
Notes:  
You cannot skip frequencies during WX service  
search.  
Search skip frequencies are shared by service  
search, direct entry search, chain search, and  
signal stalker modes. If skip frequencies are sent  
in certain modes, the frequencies are also  
skipped in other search modes and signal  
stalker mode.  
To skip a frequency, press FUNC and L/O when the  
scanner stops on the frequency during a search or a  
search hold. The scanner stores the frequency in  
memory and automatically resumes the search if it  
is not in hold.  
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Follow these steps to clear a single frequency from  
skip memory so the scanner stops on it during a  
search.  
Press HOLD to stop the search.  
Press FUNC and  
or FUNC and  
to select  
the frequency. L/O appears.  
Press FUNC and L/O. L/O disappears.  
To clear all the skip frequencies at once while  
searching or search hold, press FUNC and then  
press and hold L/O until the scanner beeps.  
Notes:  
If you selected all frequencies to be skipped  
within the search range, the scanner beeps 3  
times and does not search.  
If you select more than 50 frequencies to skip,  
each new frequency replaces a frequency previ-  
ously stored, beginning with the first stored fre-  
quency.  
Press FUNC and  
or FUNC and  
to select a  
skipped frequency while HOLD appears.  
L/O appears when you select a skipped  
frequency.  
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delay  
Sometimes a user might pause before replying to a  
transmission. To avoid missing a reply on a specific  
channel, you can program a 2-second delay into any  
channel or frequency. The scanner continues to  
monitor the channel frequency for an additional 2  
seconds after the transmission stops before  
resuming scanning or searching. The scanner  
automatically sets a delay when you store  
frequencies into channels or when you search  
frequencies. When the delay feature is on, DLY  
appears. If it is off, follow one of these steps to  
program a delay depending on how the scanner is  
operating.  
If the scanner is scanning and stops on an active  
channel where you want to store a delay, quickly  
press FUNC and DLY before it continues  
scanning again. DLY appears.  
If the desired channel is not selected, manually  
select the channel, and then press FUNC and  
DLY. DLY appears.  
If the scanner is searching, press FUNC and DLY  
while the scanner is searching. DLY appears and  
the scanner automatically adds a 2-second delay  
to every frequency it stops on in that band.  
To turn off the 2-second delay, press FUNC and DLY  
while the scanner is monitoring a channel, scanning,  
or searching. DLY disappears.  
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turning channel-storage banks  
on and off  
You can turn each channel-storage bank on and off.  
When you turn off a bank, the scanner does not scan  
any of the 20 channels in that bank.  
While scanning, press the number key that corre-  
sponds to the bank you want to turn on or off. Num-  
bers appear at the top of the display, showing the  
currently selected banks.  
The scanner scans all the channels within the dis-  
played banks that are not locked out (see "Locking  
Out Channels"). The bank number flashes when the  
scanner scans a channel that belongs to the bank.  
Notes:  
You can manually select any channel within a  
bank, even if that bank is turned off.  
You cannot turn off all banks. One bank must  
always be active.  
locking out channels  
You can increase the scanning speed by locking out  
channels that have a continuous transmission, such  
as a weather channel. To lock out a channel, manu-  
ally select the channel, then press FUNC and L/O.  
L/O appears.  
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Note: You can still manually select locked-out  
channels.  
To remove the lockout from a channel, manually  
select the channel, and then press FUNC and L/O.  
L/O disappears.  
To unlock all channels in the banks that are turned  
on, press HOLD to stop scanning, and then press  
FUNC and press and hold L/O until the scanner  
beeps twice.  
priority  
The priority feature lets you scan through the  
channels and still not miss important or interesting  
calls on specific channels. You can program one  
stored channel in each bank as a priority channel  
(10 for the banks).  
If the priority feature is turned on, as the scanner  
scans the bank, it checks that bank's priority channel  
for activity every 2 seconds.  
The scanner automatically designates each bank's  
first channel as its priority channel.  
Follow these steps to select a different channel in a  
bank as the priority channel.  
Manually select the channel you want to select as  
the priority channel.  
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Press FUNC and PGM, and then press FUNC and  
PRIORITY. P appears to the left of the selected  
channel number.  
Repeat Steps 1 and 2 for the channel in each  
bank you want to program as a priority channel.  
To turn on the priority feature, press FUNC and  
PRIORITY during scanning. PRI appears. Then the  
scanner checks the designated priority channel  
every 2 seconds in each bank.  
To turn off the priority feature, press FUNC and  
PRIORITY. PRI disappears.  
using keylock  
Use the scanner's keylock to protect it from  
accidental program changes. When the scanner's  
keys are locked, the only controls that operate are  
SCAN, FUNC, HOLD,  
, KEYLOCK, and  
.
To turn on keylock, press FUNC and KEYLOCK.  
appears. To turn off keylock, press FUNC and  
KEYLOCK.  
disappears.  
Note: Using keylock does not prevent the scanner  
from scanning channels.  
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wired programming  
You can transfer programming data to your scanner  
using your PC and an optional interface cable (Cat.  
No. 20-289, available at your local RadioShack store)  
and software (available at your local RadioShack or  
www.radioshack.com).  
Note: If the scanner receives no data from the PC  
for more than 20 seconds, T-Err appears and wired  
programming stops.  
Make sure your scanner is turned off.  
Connect the interface cable to your computer and  
then connect the other end of the cable to PC/IF  
on the side of the scanner.  
Install the software to your computer and run the  
program.  
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To set up the program, click on Tools, select  
Configuration, and select PRO-83 (if necessary).  
Turn on the scanner. The scanner automatically  
goes into the wired programming mode. PGM  
and WirEd appear. Then send the data from the  
PC.  
Data frame numbers being received appear.  
When the scanner has successfully received all  
data, End appears. If the scanner received an  
error while receiving data, End, d-Err, and its  
frame number appear. If the scanner received a  
communication error while receiving data, C-Err  
indicates the packet number where the error  
occurred. If the scanner received a checksum  
error while receiving data, S-Err indicates the  
packet number where the error occurred. If the  
scanner received a length field error while  
receiving data, L-Err indicates the packet number  
where the error occurred.  
using the display/key backlight  
To turn on the display/key light for easy viewing at  
night, press  
. The display lights for 15 seconds.  
To turn off the light sooner, press  
again.  
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frequently asked questions  
Q: My scanner isn’t working at all. How do I turn it on?  
A: The scanner might not be receiving power.  
Make sure the batteries are installed correctly and  
are good (if you installed alkaline batteries) or fully  
charged (if you installed rechargeable batteries). See  
“powering your scanner” on Page 5 for more  
information.  
If the batteries are good, make sure the AC adapter’s  
or DC adapter’s barrel plug is fully inserted into the  
scanner’s 6V 300 mA jack. See “using AC power” on  
Page 10 for more information.  
If the scanner is receiving power, make sure it is  
turned on. See “turning on the scanner and setting  
squelch” on Page 25 for more information.  
Q: My scanner is on but won’t scan. How do I get it  
to scan?  
A: Make sure the squelch is adjusted correctly. See  
“turning on the scanner and setting squelch” on  
Page 25 for more information.  
If the squelch is set correctly, you might not have  
stored frequencies into any channels or only one  
channel. You must store at least two frequencies for  
the scanner to scan. See “storing known frequencies  
into channels” on Page 25 for more information.  
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If you stored at least two frequencies, make sure the  
AC adapter’s or DC adapter’s barrel plug is fully  
inserted into the scanner’s 6V 300 mA jack. See  
“using AC power” on Page 10 for more information.  
Q: The scanner’s display is dim and hard to see. The  
scanner also beeps once every 15 to 30 seconds.  
What’s wrong?  
A: The scanner might not be receiving enough  
power or the batteries might not be correctly  
installed. Make sure the batteries are installed cor-  
rectly and are good (if you installed alkaline batter-  
ies) or fully charged (if you installed rechargeable  
batteries). See “powering your scanner” on Page 5  
for more information.  
Q: Nothing happens when I press the scanner’s  
keys. How do I get the keys to work?  
A: The scanner’s keylock might be turned on. To  
turn off keylock, press FUNC and KEYLOCK until  
disappears. See “using keylock” on Page 50 for  
more information.  
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Q:  
flashes on the display. What is it?  
A: The batteries might be weak. Make sure the bat-  
teries are good (if you installed alkaline batteries) or  
fully charged (if you installed rechargeable batter-  
ies). See “powering your scanner” on Page 5 for  
more information.  
Q: My scanner is not receiving anything or recep-  
tion is weak. What’s wrong?  
A: The batteries might be weak. Make sure the bat-  
teries are good (if you installed alkaline batteries) or  
fully charged (if you installed rechargeable batteries.  
Also make sure the AC adapter’s or DC adapter’s  
barrel plug is fully inserted into the scanner’s 6V 300  
mA jack. See “using AC power” on Page 10 for more  
information.  
If the batteries are OK, the antenna might not be  
connected or is connected incorrectly. See “con-  
necting the antenna” on Page 13 for more informa-  
tion.  
Q: My scanner is not receiving weather channels.  
How do I set it so I can receive weather channels?  
A: The scanner might be set to weather alert mode.  
If this happens, it cannot receive weather channels  
until it receives a weather alert. To hear a weather  
channel at any time, make sure weather alert is  
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turned off. See “WX alert” on Page 38 for more  
information.  
Q: ERROR appears on the display. What does it  
mean?  
A: If you were trying to enter a frequency, you might  
have made a programming error. Re-enter the fre-  
quency correctly, including the decimal point. See  
“storing known frequencies into channels” on  
Page 25 for more information.  
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glossary  
ALKALINE/RECHARGEABLE Switch - Lets you  
select the type of batteries you want to use in the  
scanner (alkaline or rechargeable) .......................... 5  
Service Banks - preset groups of frequencies  
categorized by the type of services that use those  
frequencies. ...................................................... 17, 24  
Channel-Storage Banks - Groups of channels, used  
for frequency storage............................................. 24  
Signal Stalker - lets you set the scanner so it detects  
and then displays the frequency of a nearby strong  
radio transmission. ................................................ 31  
Skywarn - lets you jump directly to the last channel  
in memory (Channel 200) from any  
transmission. You can program this channel  
with the frequency of your local Skywarn  
broadcaster. ........................................................... 36  
Channel - a programmable memory location.  
Channels are grouped into channel-storage banks.  
Your scanner has 10 channel-storage banks and  
each bank has 20 channels. .................................. 17  
57  
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index  
ALKALINE/RECHARGEABLE Switch ...................... 5  
Antenna  
Connecting ........................................................ 13  
Attaching a belt clip ............................................... 16  
Backlight ................................................................. 52  
Batteries  
Charging ............................................................. 5  
Belt Clip  
Attaching ........................................................... 16  
Chain Search .......................................................... 38  
Mode ................................................................. 39  
Hold Mode ......................................................... 40  
Storing Frequencies .......................................... 41  
Channel-Storage Banks ................................. 24, 48  
Connecting an antenna ......................................... 13  
Connecting an earphone ....................................... 14  
Connecting an extension speaker ......................... 15  
Delay ...................................................................... 46  
Direct Entry Search ................................................ 43  
Beyond the Basics  
58  
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Earphone  
Connecting ........................................................ 14  
Extension Speaker  
Connecting ........................................................ 15  
Frequently Asked Questions ................................. 53  
FUNC Key ............................................................... 19  
Keylock ................................................................... 50  
Locking Out Channels ........................................... 48  
Manually Selecting Channels ................................ 30  
Paging System Eliminator ..................................... 40  
Priority .................................................................... 49  
Powering the scanner  
Using Batteries .................................................... 5  
Using AC Power ............................................... 10  
Using Vehicle Battery Power ........................... 11  
Program Band Select Mode .................................. 42  
Scanning ................................................................ 30  
Search Skip Memory ............................................. 45  
Service Banks ....................................................... 24  
Service Search ...................................................... 28  
59  
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Storing frequencies ............................................... 25  
During Service Search ..................................... 29  
Direct Entry Search Mode ................................ 44  
Chain Search Mode .......................................... 41  
Signal Stalker ........................................................ 31  
Setting Options ................................................. 32  
Using .................................................................. 35  
Skywarn ................................................................ 36  
Turning on the scanner/setting squelch ............... 25  
Weather Alert ......................................................... 38  
Wired Programming .............................................. 51  
Beyond the Basics  
60  
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warranty  
This product is warranted by RadioShack against  
manufacturing defects in material and workmanship  
under normal use for 90 (ninety) days from the date  
of purchase from RadioShack company-owned  
stores and authorized RadioShack franchisees and  
dealers. For complete warranty details and exclu-  
sions, check with your local RadioShack store.  
RadioShack Customer Relations  
200 Taylor Street, 6th Floor, Fort Worth, TX 76102  
04/04  
61  
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accessories  
Beyond the Basics  
62  
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63  
Beyond the Basics  
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20-501  
07A04  
Beyond the Basics  
64  
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