Radio Shack 20-135 User manual

Handheld Radio Scanner

Thank you for purchasing your

200–channel Handheld Radio

Scanner from RadioShack.

20-135

PRO-135

Please read this user’s guide before installing, setting

up, and using your new scanner

www.radioshack.com

What’s Included

Scanner

Antenna

Belt Clip (2) Screws

Preprogrammed

Frequency List

User’s Guide

Quick Start Guide

ontents

Scanner Setup ............................................. 4

Scanner Features ....................................................4

Connecting the Antenna.........................................6

Attaching the Belt Clip............................................6

Powering Your Scanner...........................................6

Installing Batteries..............................................7

Battery Notes....................................................8

Recycle Rechargeable Batteries.......................9

Using External Power..........................................9

Connecting Headphones.....................................10

Listening Safely................................................10

Understanding Your Scanner..............................10

Birdie Frequencies ..........................................11

Turning on the Scanner........................................12

Programming Frequencies into Channels........12

Searching .................................................. 14

Limit Search..........................................................14

Starting Limit Search......................................14

Programming Search Ranges........................14

Fine Tune................................................................15

Service Bank Search............................................ 16

Storing Frequencies Found During a Search.... 16

Search Skip Memory.............................................17

Search Speeds......................................................18

Signal Stalker I......................................................18

Using Signal Stalker I......................................18

Setting the Signal Stalker I Options..............19

Signal Stalker I Options...................................19

Scanning.................................................... 21

Scanning Stored Channels.................................. 21

Contents

Manually Selecting a Channel............................22

Weather Scan........................................................22

Weather Alert........................................................22

Testing the Weather Alarm.............................23

Skywarn.................................................................23

About Skywarn.................................................23

Settings ..................................................... 25

Setting Delay.........................................................25

Turning Channel-Storage Banks On or Off........25

Locking Out Channels..........................................26

Setting Priority......................................................26

Using Keylock.........................................................27

Using the Display Backlight.................................27

Setting the Auto Backlight Display.................27

Setting the Power On Backlight.....................28

Setting the Keytone .............................................28

Setting the Battery Save Function..................... 28

Advanced Programming .............................. 30

Transferring Data To or From another Scanner30

Cloning Your Scanner......................................30

Transferring Data From a PC...............................31

Wired Programming.........................................31

Additional Information................................ 32

FCC Notice.............................................................32

Scanning Legally...................................................32

Care........................................................................33

Service and Repair...........................................33

6SHFLÀFDWLRQV.......................................................34

Troubleshooting....................................................36

Resetting your Scanner....................................37

Scanner Setup

SCAN MAN SRCH TUNE

SVC MAR POL AIR

HAM

PSE PRI 4

ALERT 56

L/O 789

CL 0•ENT

PGM

DELAY

KEYLOCK

Scanner Setup

Scanner Features

SCAN

Scan the stored channel frequencies. Press and hold to

activate Signal Stalker I.

MAN

Go to manual mode.

SRCH

Start a limit search.

TUNE

Operate Fine Tune. Press and hold to enter menu.

SVC

Press to put the scanner in service mode.

1/MAR (Marine)

Press after SVC to select the marine band.

2/POL (Police)

Press after SVC to select the police and ﬁre band.

3/AIR

Press after SVC to select the air band.

4/HAM

Select the ham band in service mode.

0-9

Input a number.

Scanner Setup

SCAN MAN SRCH TUNE

SVC MAR POL AIR

HAM

PSE PRI 4

ALERT 56

L/O 789

CL 0•ENT

PGM

DELAY

KEYLOCK

•

DELAY

Enter a decimal point. Turn delay on or off.

ENT (Enter)

PGM (Program)

Complete the entry of frequencies. Put the scanner in

programming mode.

Start weather scan. Press and hold to activate Skywarn.

PSE (Pause)

Stop and resume search or scan.

Search up and down a selected frequency range; selects

options in menu mode.

KEYLOCK

Turns the display and key backlight on. Press and hold to

lock the keypad.

PRI (Priority)/ALERT

Turns the priority function on or off. Press

and hold to turn weather alert on and off.

L/O

Lockout selected channels or skip speciﬁed

frequencies during a search.

Press to clear an entry.

Scanner Setup

Headphones

VOLUME/OFF

Turn the scanner on or off;

adjust the volume.

SQUELCH

Adjust the squelch.

Connecting the Antenna

Attach the supplied antenna

to the scanner by aligning the

slots around its base with the

tabs on the scanner, and then

slide into place.

When using an external

antenna, always connect with

50-ohm, RG-58, or RG-8,

coaxial cable. If the antenna

is over 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.

Attaching the Belt Clip

Use a Phillips-head screwdriver

and the supplied screws to

attach the clip to the scanner.

Powering Your Scanner

You can power your scanner with batteries or an

AC adapter.

Scanner Setup

Installing Batteries

1. Remove the battery compartment cover.

2. Set the Battery Switch inside the battery

compartment to the appropriate setting:

•ALKALINE when using alkaline batteries.

•Ni-MH when using rechargeable (Ni-MH)

AA batteries.

3. Insert two AA batteries (not included) into the

battery compartment and two AA batteries

into the battery compartment cover, matching

the polarity symbols (+ and -) marked inside.

4. Replace the cover.

Battery Switch

Warning: Only set the Battery Switch to Ni-

MH for use with nickel metal hydride (Ni-MH)

rechargeable batteries.

Never use non-rechargeable batteries when the

switch is set to Ni-MH.

Scanner Setup

To charge batteries:

1. Set the Power Switch to Ni-MH.

2. Install rechargeable batteries.

3. Connect an external power source to the

DC 9V 300mA jack.

The scanner stops charging automatically after a

maximum of 14 hours.

Warning: Do not attempt to charge batteries

if non-rechargeable batteries are installed in

the scanner and the switch is set to Ni-MH, or

if you are unsure of the switch’s position. Non-

rechargeable batteries will get hot and can explode

if you try to recharge them. The scanner displays

Er CHArg

if the wrong batteries are detected.

Battery Notes

• When battery power is low, ﬂashes and

the scanner beeps every 15 seconds. When

battery power is depleted, the scanner turns

itself off.

• Rechargeable batteries last longer and

deliver more power if you let them fully

discharge once a month. To do this, use the

scanner until ﬂashes.

• Use only fresh batteries of the required size

and recommended type. Do not mix old

and new batteries, different types (alkaline

or rechargeable), or rechargeable batteries

of different capacities.

• Remove old or weak batteries. If you will not

use the scanner with batteries for a month,

remove the batteries. Batteries can leak

chemicals that destroy electronic circuits.

• Always dispose of old batteries promptly

and properly. Do not bury or burn them.

Scanner Setup

Recycle Rechargeable Batteries

Placing rechargeable batteries into the

trash or the municipal waste system can be

harmful to the environment. RadioShack

participates in an industry program to collect and

recycle rechargeable batteries at the end of their

useful life.

You can return your rechargeable batteries to

your local RadioShack store for recycling free of

charge. Or call 1-800-THE-SHACK (1-800-843-

7422) for information on recycling rechargeable

batteries 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.

Using External Power

You can power your scanner using a power source

that supplies 9V DC and delivers at least 300mA.

Its center tip must be set to positive and its plug

must ﬁt the scanner’s DC 9V 300mA jack. You

can use an “Adaptaplug C”

for AC adapters. Using an

adapter that does not meet

these speciﬁcations could

damage the scanner or the

adapter.

To use an external power

source:

1. Connect the adapter (not

supplied) to the scanner’s

DC 9V jack.

2. Plug the adapter into the

power source.

3. To disconnect, unplug

the adapter from the

power source ﬁrst.

Scanner Setup

Warning: Do not connect a charging adapter to

the scanner if non-rechargeable batteries (such as

alkaline batteries) are installed in the scanner and

the switch is set to Ni-MH, or if you are unsure of

the switch’s position.

Connecting Headphones

For private listening, you can plug headphones

(not included) into the headphone jack on top of

your scanner. This automatically disconnects the

internal speaker. Note that the sound is not in

stereo.

Listening Safely

To protect your hearing, follow these earphone or

headphones guidelines:

• 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

listening. Turn on the scanner, and adjust

the volume to a comfortable level.

• After you set the volume, do not increase

it. Over time, your ears adapt to the volume

level, so a volume level that does not cause

discomfort might still damage your hearing.

• Even though some earphones/headphones

let you hear some outside sounds when

listening at normal volume levels, they still

can present a trafﬁc hazard.

Understanding 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.

This manual suits for next models

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