Radio Shack Scanner PRO 2056 User Guide

20-147.fm Page 1 Tuesday, August 3, 1999 3:23 PM

Cat. No.

20-147

OWNER’S MANUAL

PRO-2056 50-Channel

Home/Mobile Scanner

Please read before using this equipment.

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20-147.fm Page 3 Tuesday, August 3, 1999 3:23 PM

External Speaker Jack — makes it

easy to connect an optional external

speaker or headphones to the scanner.

We recommend you record your scan-

ner’s serial number here. The number

is on the scanner’s back panel.

Two Power Options — you can pow-

er the scanner from standard AC pow-

er with the supplied AC adapter or

your vehicle’s battery with the sup-

plied DC power cord or DC cigarette-

lighter power cord.

Serial Number:_______________

FCC NOTICE

Your scanner might cause TV or radio

interference even when it is operating

properly. To determine whether your

scanner is causing the interference,

turn off your scanner. If the interfer-

ence goes away, your scanner is

causing it. Try to eliminate the interfer-

ence by:

Frequency Guide — this manual lists

currently known frequencies by state

and local area, so you can quickly

tune to local frequencies.

Your PRO-2056 scanner can receive

all of these frequencies:

• Moving your scanner away from

the TV or radio

• 29–54 MHz (10-Meter Amateur

Radio, VHF Lo, 6-Meter Amateur

Radio)

• Connecting your scanner to an

outlet that is on a different electri-

cal circuit from the TV or radio

• 108–136.975 MHz (Aircraft)

• 137–174 MHz (Government, 2-

Meter Amateur Radio, VHF Hi)

• Contacting

dioShack store for help

your

local

Ra-

• 406–512 MHz

(70-Centimeter

Amateur Radio, UHF “T” Band,

Government)

In addition, your scanner is prepro-

grammed with these weather service

frequencies:

• 162.4000 MHz

• 162.4250 MHz

• 162.4500 MHz

• 162.4750 MHz

• 162.5000 MHz

• 162.5250 MHz

• 162.5500 MHz

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20-147.fm Page 4 Tuesday, August 3, 1999 3:23 PM

SCANNING LEGALLY

Your scanner covers frequencies

used by many different groups includ-

ing police and fire departments, ambu-

lance services, government agencies,

private companies, amateur radio ser-

vices, military operations, pager ser-

vices, and wireline (telephone and

telegraph) service providers. It is legal

to listen to almost every transmission

your scanner can receive. However,

there are some transmissions you

should never intentionally listen to.

These include:

• Telephone conversations (either

cellular, cordless, or other private

means of telephone signal trans-

mission)

• Pager transmissions

• Any scrambled or encrypted

transmissions

According to the Electronic Communi-

cations Privacy Act (ECPA), you are

subject to fines and possible imprison-

ment for intentionally listening to, us-

ing, or divulging the contents of such a

transmission unless you have the con-

sent of a party to the communication

(unless such activity is otherwise ille-

gal). We encourage responsible, legal

scanner use.

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CONTENTS

Preparation............................................................................................................ 7

Connecting an Antenna ................................................................................... 7

Connecting the Telescoping Antenna ........................................................ 7

Connecting the Window-Mount Antenna................................................... 7

Connecting an External Antenna............................................................... 8

Mounting the Scanner in Your Vehicle ............................................................. 9

Connecting Power from Your Vehicle’s Battery ....................................... 10

Using the Scanner as a Base Station ............................................................ 11

Using the Supplied AC Adapter............................................................... 11

Memory Backup ............................................................................................. 11

Connecting an External Speaker or Headphones.......................................... 12

Listening Safely ........................................................................................ 12

Understanding Your Scanner ............................................................................ 13

Banks ............................................................................................................. 13

Service Search Banks ............................................................................. 13

PRIVATE Bank......................................................................................... 14

Channels........................................................................................................ 14

Search Bands ................................................................................................ 15

A Look at the Front Panel .............................................................................. 17

A Look at the Display ...................................................................................... 18

Operation............................................................................................................. 19

Turning On the Scanner/

Setting Volume and Squelch.......................................................................... 19

Using Service Search .................................................................................... 19

Using Band Search ........................................................................................ 20

Monitoring a Frequency ................................................................................. 20

Storing Frequencies into Channels................................................................ 21

Clearing Frequencies from Channels ............................................................ 22

Special Features................................................................................................. 23

Using Memolock ............................................................................................ 23

Delay.............................................................................................................. 23

Locking Out Channels and Frequencies........................................................ 23

Removing a Lockout from All Channels and Frequencies

within a Bank .......................................................................................... 24

Listening to Weather Broadcasts ................................................................... 24

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A General Guide to Scanning ............................................................................ 25

Guide to Frequencies ..................................................................................... 25

US Weather Frequencies ........................................................................ 25

Other Weather Frequencies .................................................................... 25

Ham Radio Frequencies ......................................................................... 25

Birdie Frequencies .................................................................................. 25

Guide to the Action Bands.............................................................................. 26

United States Broadcast Bands .............................................................. 26

Typical Band Usage ................................................................................ 26

Primary Usage ........................................................................................ 27

Specified Intervals .......................................................................................... 28

Band Allocation............................................................................................... 28

Frequency Conversion ................................................................................... 32

Troubleshooting.................................................................................................. 33

Care and Maintenance........................................................................................ 34

Replacing the Fuses....................................................................................... 35

Replacing the Fuse in the DC Power Cord ............................................. 35

Replacing the Fuse in the DC Cigarette-Lighter Power Cord ................. 35

Specifications...................................................................................................... 36

Notes .................................................................................................................... 38

Frequency Guide................................................................................................. 39

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PREPARATION

Connecting the Window-

Mount Antenna

CONNECTING AN

ANTENNA

You can install the supplied window-

mount antenna on the inside of your ve-

hicle’s windshield. Follow these steps to

install the window-mount antenna.

Connecting the Telescoping

Antenna

The supplied telescoping antenna

helps your scanner receive strong lo-

cal signals. To install this antenna,

hold the antenna so it stands straight

up, then gently push the antenna’s

plug onto the ANT jack on the scan-

ner’s back panel.

Caution: Do not use the window-

mount antenna on a windshield that

has a plastic coating designed to pro-

tect passengers during an accident. If

you use the antenna on this type of

windshield, you might permanently

damage the windshield’s surface.

1. Select a location for the window-

mount antenna. Follow these

mounting guidelines when se-

lecting a location.

• The antenna’s clear wire re-

ceives signals. Mount it verti-

cally against the far right (pas-

senger) side of the windshield.

ANT Jack

The scanner’s sensitivity depends on

the antenna’s length and various envi-

ronmental conditions. Based on the

frequencies of the transmissions you

want to hear, adjust the antenna’s

length.

• Choose a location that does not

block the driver’s view of the

road.

• Some vehicles have Insta-

Clear or ElectriClear defog-

ging windshields, which have

metal coatings that interfere

with signals. General Motor’s

APV vans have a solar shield

that keeps the vehicle cooler

during the summer, which also

interferes with signals. If you

install a window-mount antenna

in a vehicle with any of these

features, the scanner probably

will not detect weak signals.

Frequency

Antenna Length

(MHz)

29–108

Extend fully

108–174

Extend three

segments

174–512

Extend two

segments

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20-147.fm Page 8 Tuesday, August 3, 1999 3:23 PM

2. Clean the selected windshield

area, position the antenna’s clear

wire on the windshield, then press

firmly on both suction cups to

secure it in place.

Connecting an External

Antenna

The ANT jack on the back of the scan-

ner makes it easy to use the scanner

with a variety of antennas. Instead of

one of the supplied antennas, you can

attach a different one, such as an exter-

nal mobile antenna or outdoor base sta-

tion antenna. Your local RadioShack

store sells a variety of antennas.

When deciding on an antenna and its

location, consider the following:

3. Route the antenna’s black cable

down the edge of the windshield,

around the edge of the dash, and

underneath it. Be sure the cable

does not interfere with the vehi-

cle’s pedals or other moving parts.

• The location of the antenna

should be as high as possible.

• The antenna and antenna cable

should be as far as possible from

sources of electrical noise (appli-

ances, other radios, and so on).

• The antenna should be vertical for

the best performance.

Always use 50-ohm coaxial cable,

such as RG-58 or RG-8, to connect

an outdoor antenna. For lengths over

50 feet, use RG-8 low-loss dielectric

coaxial cable. If the coaxial cable’s

connector does not fit in the ANT jack,

you might also need a PL-259-to-BNC

antenna plug adapter, such as Cat.

No. 278-120. Your local RadioShack

store carries a wide variety of coaxial

antenna cable and connectors.

4. Align the slots around the

antenna’s connector with the tabs

on the ANT jack. Then push the

antenna’s connector and turn it

clockwise until it locks into place.

Follow the installation instructions sup-

plied with the antenna, route the anten-

na cable to the scanner, then connect

it to the ANT BNC-type jack on the

back of the scanner.

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20-147.fm Page 9 Tuesday, August 3, 1999 3:23 PM

Warning: Use extreme caution when

installing or removing an outdoor an-

tenna. If the antenna starts to fall, let it

go! It could contact overhead power

lines. If the antenna touches a power

line, contact with the antenna, mast,

cable or guy wires can cause electro-

cution and death! Call the power com-

pany to remove the antenna. Do not

attempt to do so yourself.

• Wires and cables will not interfere

with vehicle’s pedals or other

moving parts

• The scanner is not directly in front

of any heating vents

Follow these steps to mount the scan-

ner in your vehicle.

1. Choose a mounting location, then

use the mounting bracket as a

template to mark the positions for

the mounting screw holes.

Caution: Do not run the cable over

sharp edges or objects that move.

MOUNTING THE

SCANNER IN YOUR

VEHICLE

(add corrected illus F6)

The most common mounting location

for this scanner is under your vehicle’s

dashboard. If you use this scanner in

a vehicle, mount it securely to avoid

damage to the scanner or vehicle, or

injury to anyone in the vehicle during

sudden starts or stops.

2. In the marked locations, drill holes

slightly smaller than the supplied

screws. Take care not to drill into

or damage objects behind the

mounting surface.

Note: Mobile use of this scanner is

unlawful or requires a permit in some

areas. Check the laws in your area.

3. Attach the mounting bracket to the

mounting location using the sup-

plied screws and lock washers.

When you choose a mounting loca-

tion, be sure:

• You can easily reach the scanner

(add corrected illus F7)

• All wires and cables will reach

their connection points

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20-147.fm Page 10 Tuesday, August 3, 1999 3:23 PM

4. Attach the scanner to the mount-

ing bracket using the supplied

mounting knobs.

3. Insert the power cord’s barrel plug

into the DC 13.8V jack on the back

of the scanner.

To connect the supplied DC cigarette-

lighter power cord, insert its barrel

plug into the DC 13.8V jack on the back

of the scanner, then plug the power

cord into your vehicle’s cigarette-

lighter socket.

(add corrected illus F8)

Connecting Power from Your

Vehicle’s Battery

Depending on if your scanner is per-

manently installed in your vehicle, you

can power it using either the DC pow-

er cord or the DC cigarette-lighter

power cable (both supplied).

(add corrected illus F10)

Follow these steps to connect the sup-

plied DC power cord.

Cautions:

• Unplug the power cord from your

vehicle’s cigarette-lighter socket

when you turn off the ignition. This

prevents vehicle battery drain if

you leave the scanner on when

you turn off the ignition.

(add corrected illus F9. Add

callouts ‘Positive (+)’ and

‘Negative (-)’ to respective

wires)

• Always unplug the power cord

from your vehicle’s cigarette-

lighter socket before you unplug

its barrel plug from the scanner.

1. Connect the power cord’s black

wire to your vehicle battery’s neg-

ative (–) terminal or to a metal part

of the vehicle’s frame that is not

insulated from the frame by a

plastic part.

Note: If the scanner does not operate

when you turn it on, remove the power

cord from your vehicle’s cigarette-

lighter socket and check the socket for

debris. Also, check the fuse in the

power cord you are using (see “Re-

placing the Fuses” on Page 35) and

your vehicle’s fuse block.

2. Connect the power cord’s red wire

(with in-line fuse) to a source of

voltage that turns on and off with

the ignition switch, such as a

spare accessory terminal in your

vehicle’s fuse box.

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Plug the adapter’s barrel plug into the

DC 13.8V

the adapter’s power module into a

standard AC outlet.

USING THE SCANNER

AS A BASE STATION

scanner’s

jack. Then plug

You can place this scanner on a desk,

shelf, or table to use it as a base sta-

tion.

Your scanner’s front feet fold up and

down. Adjust them to give you the

best view of the display.

Warning: Do not use the AC adapt-

er’s polarized plug with an extension

cord, receptacle, or other outlet unless

the blades can be fully inserted to pre-

vent blade exposure.

Using the Supplied AC

Adapter

Cautions:

MEMORY BACKUP

• Use only the supplied AC adapter.

Using a different adapter can

damage your scanner and could

present a safety hazard.

When you first power the scanner,

MEMO LOSS (memory loss) appears

until you program the scanner. The

memory backup circuit begins to func-

tion a few minutes after you supply

power to the scanner. How long the

scanner will maintain channels stored

in memory depends on how long pow-

er has been supplied to the scanner.

• To prevent electric shock, the

plug’s blades are polarized and fit

only one way. If the plug does not

fit easily, turn it over and try again.

Do not force it into the AC outlet.

• When you finish using the AC

adapter, disconnect it from the AC

outlet first. Then disconnect it from

the scanner.

If power is continuously supplied to

the scanner for at least 24 hours, the

memory backup circuit maintains the

channels stored in memory for up to 5

days. If power is disconnected and the

memory backup circuit becomes too

weak to save the scanner’s program-

ming, MEMO LOSS appears again

when power i barn4ıE(v)-6c cl-6( (m)10k)-6uto 5

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UNDERSTANDING YOUR SCANNER

Once you understand a few simple

terms we use in this manual and famil-

iarize yourself with your scanner’s fea-

tures, you can put the scanner to work

for you. You simply determine the com-

munications you want to hear, then set

the scanner to scan those frequencies.

you can easily scan the frequencies

typically used by a particular agency.

Your scanner has the following ser-

vice search banks.

• POLICE (contains 739 preset fre-

quencies)

A frequency is the tuning location of a

station (expressed in kHz or MHz). To

find active frequencies, you can use

the search function to search search

bands, which are preset ranges of fre-

quencies. When you find a frequency,

you can store it into a permanent

memory location called a channel,

which is grouped with other channels

in your scanner’s service search

banks and PRIVATE bank. You can

then scan these channels. Each time

the scanner finds an active frequency,

it stays there until the transmission

ends.

• FIRE/EMG (contains 197 preset

frequencies)

• MARINE (contains 90 preset fre-

quencies)

• AIR (contains 1,160 preset fre-

quencies)

Your scanner also has 7 preset

weather frequencies.

You can scan through any service

search bank simply by pressing that

bank’s button, or the weather frequen-

cies by pressing WX. For example, if

you want to scan frequencies where

you are likely to hear police calls,

press POLICE.

BANKS

Notes:

Service Search Banks

• You cannot use the SEARCH key

to search for new frequencies in

the service search banks.

The FCC (Federal Communications

Commission) allocates frequency

ranges for the exclusive use of public

service agencies such as police de-

partments, fire departments, the U.S.

Coast Guard, the Federal Aviation Ad-

ministration (FAA), and the National

Oceanic and Atmospheric Administra-

tion (NOAA).

• You cannot change or clear any of

the preset frequencies in the ser-

vice search banks, but you can

store frequencies into channels in

the POLICE and FIRE/EMG ser-

vice search banks (see “Chan-

nels” on Page 14).

Many of the frequencies used by

these agencies are grouped into this

scanner’s service search banks, so

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20-147.fm Page 14 Tuesday, August 3, 1999 3:23 PM

cies are included in any search

band (or even another service

search bank), you could store

them in Channels 1–4 of the

POLICE service search bank.

PRIVATE Bank

Your scanner has one PRIVATE bank.

This bank contains 20 channels. You

can store frequencies from any search

band (see “Search Bands” on

Page 15), service search bank, or any

weather frequency into these chan-

nels, then scan the channels by press-

ing PRIVATE.

• Frequencies you assign to FIRE/

EMG channels become part of the

FIRE/EMG service search bank.

For example, the fire department

might use three frequencies to

communicate with paramedic

units only during disaster drills. If

these frequencies are included in

any search band (or even another

service search bank), you could

store them in Channels 1–3 of the

FIRE/EMG service search bank.

Notes:

• You cannot use the SEARCH key

to search for new frequencies in

the PRIVATE bank.

• You cannot scan the PRIVATE

bank until you have stored fre-

quencies in its channels (see

“Storing Frequencies into Chan-

nels” on Page 21).

• The MARINE and AIR service

search banks contain no chan-

nels.

You can also replace frequencies

you stored in these channels with

different frequencies, or you can

clear stored frequencies from the

channels.

CHANNELS

The scanner has 50 empty channels

where you can store frequencies you

find while scanning the banks or

searching through the search bands

— 20 in the POLICE bank, 10 in the

FIRE/EMG bank, and 20 in the PRI-

VATE bank.

Good references for active frequen-

cies are the RadioShack Police Call

Radio Guide Including Fire and Emer-

gency Services, Aeronautical Fre-

quency Directory, and Maritime

Frequency Directory. We update

these directories every year, so be

sure to get a current copy.

• Frequencies you assign to

POLICE channels become part of

the POLICE service search bank.

For example, the police depart-

ment might use four temporary

frequencies while providing secu-

rity for a parade. If these frequen-

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20-147.fm Page 15 Tuesday, August 3, 1999 3:23 PM

SEARCH BANDS

Your scanner has 11 preprogrammed search bands. Each band covers a specific

range of frequencies which you can search for specific broadcasts by using the

BAND

keys. For example, you can search through all frequencies be-

and

tween 29.000 and 30.000 MHz for specific broadcasts.

This table shows the search band range displayed by the scanner and the typical

usage, frequency coverage, and step rate for each search band range.

Band

Range

Step

Rate

(kHz)

Frequency Coverage

(MHz)

Typical Usage

10-Meter Amateur Radio

VHF Lo

29.0000–30.0000

5.0

29–30

30–50

30.0000–50.0000

6-Meter Amateur Radio

Aircraft

50.0000–54.0000

5.0

50–54

108.0000–136.9750

137.0000–144.0000

144.0000–148.0000

148.0000–174.0000

406.0000–420.0000

420.0000–450.0000

450.0000–470.0000

470.0000–512.0000

25.0

5.0

108–137

137–144

144–148

148–174

406–420

420–450

450–470

470–512

Government

2-Meter Amateur Radio

VHF Hi

5.0

Government

12.5

70-Centimeter Amateur Radio

UHF Lo

UHF “T” Band

Notes:

• Your scanner searches at the preset frequency step rate (5, 12.5, or 25 kHz) for

each search band.

• You cannot change the frequency step rate.

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20-147.fm Page 16 Tuesday, August 3, 1999 3:23 PM

While searching through a search

band, you might hear a frequency

that you want to store with other fre-

quencies of the same type, so you

can scan them all together. You can

store any frequency into a channel in

the POLICE or FIRE/EMG service

search banks or the PRIVATE bank.

See “Storing Frequencies into Chan-

nels” on Page 21.

Notes:

• Some of the frequencies in the

search bands are also included in

the scanner’s service search

banks.

• When you store a frequency in a

channel, that frequency also

remains in the search band.

• You cannot change or clear any of

the frequencies in the search

bands.

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A LOOK AT THE FRONT PANEL

A quick glance at this section will help you better understand each key’s function.

HOLD

— stops scanning or searching.

— searches for active fre-

quencies within selected band

s and t — moves up or down through

frequencies and channels or changes

the search direction.

range, starting from the lowest fre-

quency. See “Using Band Search” on

Page 20.

FIRE/EMG AIR POLICE MARINE

L/OUT

—

— locks out selected frequen-

scans the preset frequencies in the

named service search bank. See

“Service Search Banks” on Page 13.

cies or channels.

BAND

— selects any of the 11 search

bands to search.

PRIVATE

— scans the frequencies you

PROG

stored in the PRIVATE bank’s chan-

nels. See “PRIVATE Bank” on

Page 14.

— programs frequencies into

channels.

— adjusts the scanner’s squelch.

— scans through the prepro-

OFF/VOLUME

grammed weather frequencies.

— turns the scanner on

or off and adjusts the volume.

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20-147.fm Page 18 Tuesday, August 3, 1999 3:23 PM

A LOOK AT THE DISPLAY

The display has indicators that show the scanner’s operating mode. A good look at

the display will help you understand your scanner’s operation.

PRIVATE— appears when you scan

the frequencies you stored in the PRI-

VATE bank’s channels.

L/O — appears when you lock out a

channel or frequency or manually se-

lect a locked-out channel or frequency

(see “Locking Out Channels and Fre-

quencies” on Page 23).

POLICE, FIRE/EMG, AIR, MRN

— appear when you scan the preset

frequencies in the named service

search bank.

MEMOLOSS— appears when you first

turn on the scanner until you program

the scanner, and when you turn on the

scanner after a power loss when the

scanner’s memory backup circuit is

too weak to save the scanner’s pro-

gramming.

WX— appears when you scan the pre-

set weather frequencies.

HOLD — appears when you press

HOLD to stop scanning or searching.

Error— appears when you make an

incorrect entry.

SCAN — appears when you scan

channels until a frequency appears.

Prg-Loc— appears when you try to

SRCH s or t — appears during a

program

the

scanner

while

search to show the search direction.

MEMOLOCK OFF/ON is set to ON (see

“Using Memolock” on Page 23).

— ap-

Search Band Range Numbers

pear instead of a frequency to show

which of the scanner’s 11 search

bands you selected.

CH — flashes when you program the

scanner.

— appears on the

Channel Number

left side of the display to show which of

the scan bank channels the scanner is

tuned to.

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20-147.fm Page 19 Tuesday, August 3, 1999 3:23 PM

OPERATION

of the beep you hear when you

press the scanner’s keys.

TURNING ON THE

SCANNER/SETTING

VOLUME AND SQUELCH

USING SERVICE

Note: Make sure the scanner’s anten-

na is connected before you turn it on.

To scan a service search bank, press

any of these buttons:

1. Turn SQ fully clockwise.

• POLICE

• FIRE/EMG

• AIR

• MARINE

2. Turn OFF/VOLUME clockwise until

it clicks and you hear a hissing

sound.

To scan the PRIVATE bank, press

PRIVATE.

Note: You cannot scan the PRIVATE

bank until you have stored frequen-

cies in it. See “Storing Frequencies

into Channels” on Page 21.

The scanner scans through all non-

locked channels (see “Locking Out

Channels and Frequencies” on

Page 23) in the bank you selected,

SCAN scrolls, and the bank’s name

appears at the top of the display.

3. Turn SQ counterclockwise until

the hissing sound stops.

Notes:

• If the scanner picks up unwanted,

partial, or very weak transmis-

sions, turn SQ counterclockwise to

decrease the scanner’s sensitivity

to these signals. If you want to lis-

ten to a weak or distant station,

turn SQ clockwise.

The scanner scans the channels with-

in the bank from the lowest to the

highest channel number. If the scan-

ner detects a broadcast, it stops on

the channel. When the broadcast

ends, the scanner continues to scan

higher channels in the bank. When the

scanner finishes scanning all chan-

nels in the bank, it returns to the low-

est channel in the bank and starts

scanning again.

• If SQ is adjusted so you always

hear a hissing sound, the scanner

does not scan properly.

• OFF/VOLUME adjusts both the

broadcast volume and the volume

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20-147.fm Page 20 Tuesday, August 3, 1999 3:23 PM

range. Hold down s or t to quickly step

through the frequencies. Press

USING BAND SEARCH

to return to automatic search.

Follow these steps to search for trans-

missions within any of the scanner’s

11 search bands.

MONITORING A

FREQUENCY

MEMOLOCK OFF/ON

OFF

1. Be sure

(see “Using Memolock”

on Page 23).

set to

When the scanner displays a specific

frequency while scanning the banks or

searching the search bands, you can

continuously monitor that frequency.

This is useful if you hear an emergen-

cy broadcast on a frequency and do

not want to miss any details (even

though there might be periods of si-

lence).

2. Press

BAND

3. Repeatedly press

until you

see the search band you want to

search.

SRCH and the range for each

search band appears. Then, after

about 3 seconds, SRCH s or

SRCHt appears, and the scanner

starts to automatically search the

frequencies in the band. When the

scanner finds a transmission, it

stops on that frequency and the

frequency’s number appears until

the transmission stops, then the

scanner starts searching again.

To monitor a frequency while it ap-

pears during scanning or searching,

HOLD

press

until HOLDappears. The

scanner stays on the frequency.

To continue scanning a bank, press

WX,

a service search bank button,

PRIVATE

searching

. To continue automatically

You can change the direction of either

an automatic or manual search by

pressing the opposite arrow key (s or

t) once.

search band, press

To continue manually

searching a search band, press s or t.

To manually search the search band,

HOLD

press

after the scanner starts

automatically searching the frequen-

cies. HOLD, SRCHs or SRCHt, and a

frequency within the band you select-

ed appear.

Repeatedly press s to search from the

lower to the upper range, or t to

search from the upper to the lower

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20-147.fm Page 21 Tuesday, August 3, 1999 3:23 PM

press

then start again

STORING FREQUENCIES

INTO CHANNELS

from Step 1.

PROG

3. Press

to store the fre-

1. When the scanner displays a fre-

quency you want to store while

scanning the banks or searching

quency in the displayed channel.

Or, repeatedly press s or t, select

a channel number, then press

PROG

. The scanner displays the

the search bands, press

CHflashes, and HOLDand the fre-

quency number appear.

channel number where you stored

the frequency.

Note: If you select a channel with

a frequency already stored in it,

the scanner replaces the fre-

quency with the new one.

PRIVATE POLICE

FIRE/

2. Press

, or

To cancel storing the frequency,

EMG

to store the frequency into a

BAND

press

channel. For example, if you want

to store the frequency in one of

the channels in the POLICE ser-

4. Repeat Steps 1–3 to store more

frequencies into channels.

POLICE

vice search bank, press

5. When you finish storing frequen-

MEMOLOCK OFF/ON

cies, set

to prevent accidentally chang-

If the search bank you selected

has an empty channel, the fre-

quency number flashes alternately

with the lowest empty channel

number and 000.0000. If the

search bank you selected has no

empty channels, the frequency

number flashes alternately with

the channel number of the last

channel where you stored a fre-

quency.

ing them (see “Using Memolock”

on Page 23).

Note: If you press a service

PRI-

search bank key other than

VATE POLICE FIRE/EMG

, or

, the

scanner beeps several times and

Error appears. If you are scan-

PRIVATE

ning the banks, press

POLICE FIRE/EMG

, or

, then start

again from Step 1. If you are

searching the search bands,

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20-147.fm Page 22 Tuesday, August 3, 1999 3:23 PM

5. Press s or t until 000.0000

CLEARING

FREQUENCIES FROM

CHANNELS

appears.

PRIVATE POLICE

FIRE/

6. Press

, or

EMG

to select the bank that con-

tains the channel you want to

clear.

You can clear a frequency from a

channel by storing an empty frequen-

cy in its place.

HOLD and PRIVATE, POLICE,

or FIRE/EMG appears, and a

channel number flashes.

Notes:

• You cannot clear or change any of

the frequencies in the scanner’s

search bands, any of the scan-

ner’s preset weather frequencies,

or the preset frequencies in the

service search banks.

7. Repeatedly press s or t until the

scanner displays the channel you

want to clear. 000.0000flashes

alternately with the channel num-

ber and the frequency number.

PROG

8. Press

to store the empty

• When you clear a channel, the

scanner automatically locks out

the channel (see “Locking Out

Channels and Frequencies” on

Page 23).

frequency. The channel number

and 000.0000appear.

To cancel clearing the channel,

BAND

press

9. Repeat Steps 2–8 to clear more

channels.

MEMOLOCK OFF/ON

OFF

1. Be sure

(see “Using Memolock”

on Page 23).

set to

10. When you finish clearing chan-

MEMOLOCK OFF/ON

nels, set

to prevent accidentally chang-

2. Press

, then repeatedly

BAND

press

to select a search

ing them (see “Using Memolock”

on Page 23).

band. SRCHand the search band

range for each band appear.

HOLD

3. Press

when the scanner

starts automatically searching that

band. HOLDappears.

PROG

4. Press

. CHflashes.

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20-147.fm Page 23 Tuesday, August 3, 1999 3:23 PM

SPECIAL FEATURES

USING MEMOLOCK

LOCKING OUT

CHANNELS AND

FREQUENCIES

(add corrected illus F25 showing

antenna cable connected to

ANT jack. Please make sure

vendor places illus properly)

You can scan banks faster by locking

out frequencies or channels that have

a continuous transmission or static.

However, you cannot lock out any

weather frequencies or any frequen-

cies within the AIR or MRN service

search banks.

To keep from accidentally changing

the scanner’s programming, you can

lock the scanner’s memory by setting

the MEMOLOCK OFF/ON switch on the

back of the scanner to ON. If you try to

change the scanner’s programming,

Prg-Locappears, and the program-

ming does not change.

To lock out a frequency or channel

while scanning, press L/O when the

scanner displays the frequency or

channel number.

To remove the lockout, manually se-

lect the frequency or channel, then

press L/O when the frequency or

channel number appears. L/Odisap-

pears.

Set MEMOLOCK OFF/ON to OFF to add

or change information in the scanner’s

channels.

DELAY

Notes:

• The scanner automatically locks

out empty channels.

Many agencies use a two-way radio

system that might have a pause of

several seconds between a query and

a reply.

• You can lock out all frequencies

and channels in a bank. However,

if all frequencies and channels

within a bank are locked out, the

scanner beeps three times when

you press that bank key and does

not scan the bank.

When the scanner tunes to an active

frequency or channel, the scanner

automatically waits for 2 seconds after

the completion of each transmission

on that frequency or channel before it

resumes searching or scanning.

• You can manually select locked

out channels.

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20-147.fm Page 24 Tuesday, August 3, 1999 3:23 PM

Your scanner has these weather fre-

quencies preprogrammed:

Removing a Lockout from All

Channels and Frequencies

within a Bank

• 162.4000 MHz

• 162.4250 MHz

• 162.4500 MHz

• 162.4750 MHz

• 162.5000 MHz

• 162.5250 MHz

• 162.5500 MHz

1. Press the bank key to select the

bank containing the channels or

frequencies you want to remove a

lockout from.

2. Press HOLD.

3. Hold down L/O until the scanner

beeps softly three times. The

scanner removes the lockout from

all channels and frequencies

within the selected bank.

To hear your local forecast and re-

gional weather information, simply

press WX. Your scanner scans

through the weather frequencies. Your

scanner should stop within a few sec-

onds on your local weather broadcast.

Note: When you store a frequency in

an empty channel, the scanner auto-

matically removes the lockout.

Follow these steps to manually tune to

a specific preprogrammed weather

frequency.

LISTENING TO

WEATHER

BROADCASTS

1. Press WX.

The FCC (Federal Communications

Commission) has allocated frequen-

cies for use by the National Oceanic

2. Press HOLD.

3. Repeatedly press s or t to move

forward or backward through the

frequencies.

and

Atmospheric

Administration

(NOAA). Regulatory agencies in other

countries have also allocated frequen-

cies for use by their weather reporting

authorities.

Your local weather reporting authority

broadcasts your local forecast and re-

gional weather information on one or

more of these frequencies. If your

scanner is within a weather reporting

authority’s broadcast range, you can

scan these frequencies.

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20-147.fm Page 25 Tuesday, August 3, 1999 3:23 PM

A GENERAL GUIDE TO SCANNING

Reception of the frequencies covered by your scanner is mainly “line-of-sight.” That

means you usually cannot hear stations that are beyond the horizon.

GUIDE TO FREQUENCIES

US Weather Frequencies

162.400

162.500

162.425

162.525

162.450

162.550

162.475

163.275

Other Weather Frequencies

161.650

161.775

162.440

Ham Radio Frequencies

Ham radio operators often transmit emergency information when other means of

communication break down. The following chart shows the frequencies the scanner

receives that Ham radio operators normally use.

Wavelength (meters)

10-Meter

6-Meter

Frequencies (MHz)

29.000–29.700

50.000–54.000

2-Meter

70-cm

33-cm

144.000–148.000

420.000–450.000

902.000–928.000

Birdie Frequencies

Every scanner has birdie frequencies. Birdies are signals created inside the scan-

ner’s receiver. These operating frequencies might interfere with broadcasts on the

same frequencies. If you program one of these frequencies, you hear only noise on

that frequency. If the interference is not severe, you might be able to turn SQ coun-

terclockwise to cut out the birdie.

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20-147.fm Page 26 Tuesday, August 3, 1999 3:23 PM

The birdie frequencies to watch for on this unit are:

31.2000 161.8950 446.3000

41.6000 162.2950 508.7000

52.0000 168.3250 511.4000

114.4000 169.5300 511.4125

155.8700 173.1450

To find the birdies in your scanner, begin by disconnecting the antenna and moving

it away from the scanner. Make sure that no other nearby radio or TV sets are turned

on near the scanner. Use the search function and scan every frequency range from

its lowest frequency to the highest. Occasionally, the searching will stop as if it had

found a signal, often without any sound. That is a birdie. Make a list of all the birdies

in your scanner for future reference.

GUIDE TO THE ACTION BANDS

United States Broadcast Bands

In the United States, there are several broadcast bands. The standard AM and FM

bands are probably the most well known. There are also four television audio broad-

cast bands — the lower three transmit on the VHF band and the fourth transmits on

the UHF band.

Typical Band Usage

VHF Band

Low Range

29.00–50.00 MHz

50.00–54.00 MHz

137.00–144.00 MHz

144.00–148.00 MHz

148.00–174.00 MHz

6-Meter Amateur

U.S. Government

2-Meter Amateur

High Range

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20-147.fm Page 27 Tuesday, August 3, 1999 3:23 PM

UHF Band

Military Aircraft

U.S. Government

70-cm Amateur

Low Range

FM-TV Audio Broadcast, Wide

Band

380.00–384.00 MHz

406.00–420.00 MHz

420.00–450.00 MHz

450.00–470.00 MHz

470.00–512.00 MHz

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

UHF Band

Activities

Frequencies

Land-Mobile “Paired”

Frequencies

450.000–470.000 MHz

Base Stations

Mobile Units

Repeater Units

Control Stations

451.025–454.950 MHz

456.025–459.950 MHz

460.025–464.975 MHz

465.025–469.975 MHz

Note: Remote control stations and mobile units operate at 5 MHz higher than

their associated base stations and relay repeater units.

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20-147.fm Page 28 Tuesday, August 3, 1999 3:23 PM

SPECIFIED INTERVALS

Frequencies in different bands are accessible only at specific intervals. For exam-

ple:

Frequency Range(s)

Specified Interval

29–54 and 137–174 MHz

380–512 MHz

5.0 kHz steps

12.5 kHz steps

BAND ALLOCATION

To help decide which frequency ranges to scan, use the following listing of the typi-

cal services that use the frequencies your scanner receives. These frequencies are

subject to change, and might vary from area to area. For a more complete listing,

refer to the Police Call Radio Guide including Fire and Emergency Services, avail-

able at your local RadioShack store.

Abbreviations

Services

AIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aircraft

BIFC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Boise (ID) Interagency Fire Cache

BUS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Business

CAP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Civil Air Patrol

CB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Citizens Band

CCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Common Carrier

CSB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Conventional Systems

CTSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Conventional/Trunked Systems

FIRE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fire Department

HAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Amateur (Ham) Radio

GOVT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Federal Government

GMR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .General Mobile Radio

GTR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .General Trunked

IND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Industrial Services

. . . . . . . . . . . . . . . . . (Manufacturing, Construction, Farming, Forest Products)

MAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Military Amateur Radio

MARI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Maritime Limited Coast

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (Coast Guard, Marine Telephone,

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Shipboard Radio, Private Stations)

MARS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Military Affiliate Radio System

MED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Emergency/Medical Services

MIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U.S. Military

MOV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Motion Picture/Video Industry

NEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . New Mobile Narrow

NEWS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Relay Press (Newspaper Reporters)

OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil/Petroleum Industry

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20-147.fm Page 29 Tuesday, August 3, 1999 3:23 PM

POL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Police Department

PUB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Public Services

. . . . . . . . . . . . . . . . (Public Safety, Local Government, Forestry Conservation)

PSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Public Safety

PTR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Private Trunked

ROAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Road & Highway Maintenance

RTV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Radio/TV Remote Broadcast Pickup

TAXI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Taxi Services

TELB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mobile Telephone

. . . . . . . . . . . . . . . . . . . . .(Aircraft, Radio Common Carrier, Landline Companies)

TELC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Cordless Phones

TELM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Telephone Maintenance

TOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tow Trucks

TRAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transportation Services

. . . . . . . . . . . . . . . . . . . . . . . . . . .(Trucks, Tow Trucks, Buses, Railroad, Other)

TSB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Trunked Systems

TVn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FM-TV Audio Broadcast

USXX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Government Classified

UTIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power & Water Utilities

WTHR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Weather

VERY HIGH FREQUENCY (VHF)

VHF Low Band—(in 5 kHz steps)

29.900–30.550 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL

30.580–31.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, PUB

32.000–32.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL

33.020–33.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS, IND, PUB

34.010–34.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL

35.020–35.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS, PUB, IND, TELM

36.000–36.230 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL

36.250. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil Spill Cleanup

36.270–36.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL

37.020–37.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB, IND

38.000–39.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL

39.020–39.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB

40.000–42.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, MARI

42.020–42.940 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .POL

42.960–43.180 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND

43.220–43.680 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELM, IND, PUB

43.700–44.600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TRAN

44.620–46.580 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . POL, PUB

46.600–46.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, TELC

47.020–47.400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB

47.420. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .American Red Cross

47.440–49.580 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, PUB

49.610–49.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MIL, TELC

20-147.fm Page 30 Tuesday, August 3, 1999 3:23 PM

6-Meter Amateur Band

50.00–54.00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM

U.S. Government Band

137.000–144.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL

2-Meter Amateur Band

144.000–148.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM

VHF High Band

148.050–150.345 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CAP, MAR, MIL

150.775–150.790 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED

150.815–150.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TOW, Oil Spill Cleanup

150.995–151.475 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ROAD, POL

151.490–151.955 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, BUS

151.985 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELM

152.0075 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED

152.030–152.240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELB

152.270–152.480 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, TAXI, BUS

152.510–152.840 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELB

152.870–153.020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, MOV

153.035–153.725 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, OIL, UTIL

153.740–154.445 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB, FIRE

154.490–154.570 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, BUS

154.585 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil Spill Cleanup

154.600–154.625 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS

154.655–156.240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED, ROAD, POL, PUB

156.255–157.425 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OIL, MARI

157.450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED

157.470–157.515 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TOW

157.530–157.725 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, TAXI

157.740 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS

157.770–158.100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELB

158.130–158.460 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS, IND, OIL, TELM, UTIL

158.490–158.700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELB

158.730–159.465 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .POL, PUB, ROAD

159.480 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OIL

159.495–161.565 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TRAN

161.580–162.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OIL, MARI, RTV

162.0125–162.35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX

162.400–162.550 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .WTHR

162.5625–162.6375 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX

162.6625 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED

162.6875–163.225 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX

163.250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED

163.275–166.225 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX

166.250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, RTV, FIRE

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20-147.fm Page 31 Tuesday, August 3, 1999 3:23 PM

166.275–169.400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, BIFC

169.445–169.505 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wireless Mikes, GOVT

169.55–169.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL, USXX

170.000–170.150 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BIFC, GOVT, RTV, FIRE

170.175–170.225 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT

170.245–170.305 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wireless Mikes

170.350–170.400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL

170.425–170.450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BIFC

170.475. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB

170.4875–173.175 . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, PUB, Wireless Mikes

173.225–173.5375 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MOV, NEWS, UTIL, MIL

173.5625–173.5875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MIL Medical/Crash Crews

173.60–173.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT

ULTRA HIGH FREQUENCY (UHF)

U. S. Government Band

406.125–419.975 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, USXX

70-cm Amateur Band

420.000–450.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM

Low Band

450.050–450.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RTV

451.025–452.025 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, OIL, TELM, UTIL

452.0375–453.00 . . . . . . . . . . . . . . . . . . . . . . . . . . IND, TAXI, TRAN TOW, NEWS

453.0125–454.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB, OIL

454.025–454.975 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB

455.050–455.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RTV

457.525–457.600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS

458.025–458.175 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED

460.0125–460.6375 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIRE, POL, PUB

460.650–462.175 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS

462.1875–462.450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS, IND

462.4625–462.525 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, OIL, TELM, UTIL

462.550–462.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GMR, BUS

462.9375–463.1875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED

463.200–467.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS

FM-TV Audio Broadcast, UHF Wide Band

(Channels 14 through 69 in 6 MHz steps)

475.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 14

481.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 15

487.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 16

...

511.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 20

Note: Some cities use the 470–512 MHz band for land/mobile service.

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20-147.fm Page 32 Tuesday, August 3, 1999 3:23 PM

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 necessary

conversions.

1 MHz (million) = 1,000 kHz (thousand)

To convert MHz to kHz, multiply the number of megahertz by 1,000:

30.62 (MHz) ¥ 1000 = 30,620 kHz

To convert from kHz to MHz, divide the number of kilohertz by 1,000:

127,800 (kHz) ÷ 1000 = 127.8 MHz

To convert MHz to meters, divide 300 by the number of megahertz:

300 ÷ 50 MHz = 6 meters

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20-147.fm Page 33 Tuesday, August 3, 1999 3:23 PM

TROUBLESHOOTING

If your scanner is not working as it should, these suggestions might help you elimi-

nate the problem. If the scanner still does not operate properly, take it to your local

RadioShack store for assistance.

Problem

Possible Causes

Remedies

The scanner does not The AC adapter is not

Be sure the AC adapter is

plugged into a working AC

outlet.

work at all.

properly connected.

The DC power cord or

DC cigarette-lighter

power cord is not con-

nected.

Be sure the power cord is ful-

ly inserted into the DC 13.8V

jack.

Be sure the power cord’s red

wire is connected correctly to

a voltage source and the

black wire is connected cor-

rectly to ground.

Poor or no reception. Improperly connected

antenna.

Be sure the antenna is prop-

erly connected.

Scanner is on but

does not scan.

SQ is not correctly ad-

justed.

Adjust SQ counterclockwise

(see “Turning On the Scan-

ner/Setting Volume and

Squelch” on Page 19).

In the scan mode, the Birdies.

scanner locks on fre-

quencies that have an

Avoid programming frequen-

cies listed under “Birdie Fre-

quencies” on Page 25 or only

listen to them manually.

unclear transmission.

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20-147.fm Page 34 Tuesday, August 3, 1999 3:23 PM

CARE AND MAINTENANCE

Your RadioShack PRO-2056 50-Channel Home/Mobile Scanner is an example of

superior design and craftsmanship. The following suggestions will help you care for

your scanner so you can enjoy it for years.

Keep the scanner dry. If it gets wet, wipe it dry immediately. Liquids

might contain minerals that can corrode the electronic circuits.

Keep the scanner away from dust and dirt, which can cause prema-

ture wear of parts.

Handle the scanner gently and carefully. Dropping it can damage cir-

cuit boards and cases and can cause the scanner to work improperly.

Wipe the scanner with a damp cloth occasionally to keep it looking

new. Do not use harsh chemicals, cleaning solvents, or strong deter-

gents 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 authoriza-

tion to operate it. If your scanner is not performing as it should, take it to your local

RadioShack store for assistance.

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20-147.fm Page 35 Tuesday, August 3, 1999 3:23 PM

REPLACING THE FUSES

The fuses in the scanner’s DC power

cord and DC cigarette-lighter power

cord help protect your scanner from

power surges and short circuits. If the

fuse in the DC power cord has blown,

replace it with a 1-amp, fast-acting

glass fuse (such as RadioShack Cat.

No. 270-1005). For the fuse in the DC

cigarette-lighter power cord, replace it

with a 2-amp, fast-acting glass fuse

(such as RadioShack Cat. No. 270-

1007).

(add corrected illus F26,

deleting curved arrow)

3. If the fuse is blown, replace it.

4. To close the fuse holder, push the

fuse holder ends together, then

turn either end clockwise.

Warnings:

• Before you begin, turn off the

scanner and your vehicle’s igni-

tion.

Replacing the Fuse in the DC

Cigarette-Lighter Power Cord

• Make sure you replace the fuse

only with another fuse of the same

type and rating.

1. Turn off the scanner and your

vehicle’s ignition.

2. To open the cigarette-lighter plug,

turn the cap counterclockwise and

remove it.

Replacing the Fuse in the DC

Power Cord

1. Turn off the scanner and your

vehicle’s ignition.

2. To open the fuse holder, push the

fuse holder ends together, then

turn either end counterclockwise

and release it.

3. If the fuse is blown, replace it.

4. Replace the cap.

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20-147.fm Page 36 Tuesday, August 3, 1999 3:23 PM

SPECIFICATIONS

Frequency Coverage:

Ham . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29–29.7 MHz (in 5 kHz steps)

VHF Lo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29.7–50 MHz (in 5 kHz steps)

Ham . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50–54 MHz (in 5 kHz steps)

Aircraft . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108–136.975 MHz (in 25 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 Lo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450–470 MHz (in 12.5 kHz steps)

UHF T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470–512 MHz (in 12.5 kHz steps)

Programmable Channels:

POLICE Service Search Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

FIRE/EMG Service Search Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

PRIVATE Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Sensitivity (20 dB S/N with 60% modulation for AM, 3 kHz deviation for FM):

29–54 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.4 µV

108–136.975 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7 µV

137–174 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8 µV

406–512 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6 µV

Scanning Rate . . . . . . . . . . . . . . . . . . . Up to 100 frequencies or channels/second

Search Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Up to 100 steps/second

Delay Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 seconds

Intermediate Frequencies (IF):

1st . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.85 MHz

2nd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450 kHz

Squelch Sensitivity:

Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.4µV

Tight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (S+N)/N 25 dB

Antenna Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Ohms

Audio Power:

Maximum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8 W

Normal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 W

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20-147.fm Page 37 Tuesday, August 3, 1999 3:23 PM

Current Drain:

Squelched . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 mA

Unsquelched, full volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 mA

Built-in Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Inch (77 mm)

8-ohm, Dynamic Type

Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . .AC 120V, 60 Hz, 14 Watts

+13.8V DC

Dimensions (HWD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ¥ 5¹/⁸¥ 6¹⁵/¹⁶Inch-

(50 ¥ 130 ¥ 175 mm)

(with feet folded up)

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.11 lbs

(755 g)

Supplied Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC Power Cord

DC Cigarette-Lighter Power Cord

AC Adapter

Telescoping Antenna

Window-Mount Antenna

Vehicle Mounting Hardware

Specifications are typical; Individual units might vary. Specifications are subject to

change and improvement without notice.

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20-147.fm Page 38 Tuesday, August 3, 1999 3:23 PM

NOTES

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20-147.fm Page 39 Tuesday, August 3, 1999 3:23 PM

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RadioShack

A Division of Tandy Corporation

Fort Worth, Texas 76102

UBZZ01225HZ

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