Radio Shack PRO-76 Manuale utente

Owner’s Manual Cat. No. 20-313

PRO-76

200-Channel VHF/UHF/Air

Handheld Scanner

Please read before using this equipment.

20-313.fm Page 1 Friday, January 7, 2000 3:09 PM

FEATURES

Your new RadioShack VHF/

UHF/Air Handheld Scanner

lets you in on all the action!

This scanner gives you di-

rect access to over 23,000

exciting frequencies, includ-

ing those used by police and

fire departments, ambu-

lance services, aircraft,

transportation services, and

amateur radio. You can se-

lect up to 200 channels for

your scanner to scan and

you can change your selec-

tion at any time.

Your scanner also has these

special features:

Weather Alert — the scan-

ner automatically sounds an

alert when it receives a

weather emergency signal.

Weather Band Key —

scans seven prepro-

grammed weather frequen-

cies to keep you informed

about current weather condi-

tions.

Wired Programming — you

can connect your scanner to

a personal computer and

program frequencies into the

scanner from the computer

using an optional cable and

software.

Note: The necessary cable

and software, and additional

information about using your

personal computer to pro-

gram your scanner, are

available at your local Ra-

dioShack store.

Liquid Crystal Display —

makes it easy to view and

change programming infor-

mation.

Search Skip — lets you se-

lect up to 20 frequencies for

the scanner to skip during a

limit or direct search to avoid

unwanted frequencies.

Direct Search — lets you

search for a transmission

starting from a specified fre-

quency.

Ten Channel-Storage Banks

— you can store 20 chan-

nels in each bank (200 total

channels), letting you group

channels so you can more

easily identify calls.

RadioShack and Adaptaplug are registered trademarks

used by Tandy Corporation.

20-313.fm Page 2 Friday, January 7, 2000 3:09 PM

Ten Monitor Memories —

let you temporarily save up

to ten frequencies you locate

during a search, so you can

move selected frequencies

to channel storage later.

Scan Delay — delays scan-

ning for about 2 seconds be-

fore moving to another

channel, so you can hear

more replies that are trans-

mitted on the same channel.

You can also set the scan-

ner to delay on all active fre-

quencies during a search.

Memory Backup — keeps

the channel frequencies

stored in memory for an ex-

tended time even if the scan-

ner loses power.

Three Power Options —

you can power the scanner

from internal (rechargeable

or non-rechargeable) batter-

ies or external AC or DC

power (using an optional AC

or DC adapter).

Low Battery Alert — warns

you when the battery power

gets low.

Key Lock — lets you lock

the scanner’s keys to help

prevent accidentally chang-

ing the scanner’s program-

ming.

Key Confirmation Tones

— the scanner sounds a

confirmation tone when you

perform an operation cor-

rectly and an error tone if

you make an error.

Lockout Function — lets

you set the scanner to ig-

nore specified channels

when scanning.

Ten Priority Channels —

let you set the scanner to

check up to ten channels ev-

ery 2 seconds so you do not

miss important calls.

Display Backlight —

makes the scanner easy to

read in low-light situations.

Supplied Flexible Antenna

with BNC Connector —

provides good reception of

strong local signals. You can

connect an external anten-

na with a BNC connector to

the scanner for improved re-

ception of distant/weaker

signals.

20-313.fm Page 3 Friday, January 7, 2000 3:09 PM

Your scanner can receive these bands:

Note: See “Specifications” on Page 44 for more information

about the scanner’s frequency steps.

Frequency

Range (MHz) Types of Transmissions

29–54 10-Meter Ham Band, VHF Lo, 6-Meter Ham Band

108–136.975 Aircraft

137–174 Military Land Mobile, 2-Meter Ham Band, VHF Hi

406–512 Federal Government, 70-cm Ham Band, UHF

Standard Band, UHF “T” Band

20-313.fm Page 4 Friday, January 7, 2000 3:09 PM

FCC NOTICE

Your scanner might cause

radio or TV interference

even when it is operating

properly. To determine

whether your scanner is

causing the interference,

turn off your scanner. If the

interference goes away,

your scanner is causing it.

Try the following methods to

eliminate the interference:

• Move your scanner

away from the receiver.

• Connect your scanner to

an outlet that is on a dif-

ferent electrical circuit

from the receiver.

• Contact your local

RadioShack store for

help.

Note: Mobile use of this

scanner is unlawful or re-

quires a permit in some ar-

eas. Check the laws in your

area.

SCANNING

LEGALLY

Your scanner covers fre-

quencies used by many dif-

ferent groups including

police and fire departments,

ambulance services, govern-

ment agencies, private com-

panies, amateur radio

services, military opera-

tions, pager services, and

wireline (telephone and tele-

graph) service providers. It is

legal to listen to almost ev-

ery transmission your scan-

ner can receive. However,

there are some transmis-

sions you should never in-

tentionally listen to. These

include:

• telephone conversa-

tions (cellular, cordless,

or other private means

of telephone signal

transmission)

• pager transmissions

• any scrambled or

encrypted transmissions

According to the

Electronic

Communications Privacy Act

(ECPA), you are subject to

fines and possible imprison-

ment for intentionally listen-

ing to, using, or divulging the

20-313.fm Page 5 Friday, January 7, 2000 3:09 PM

contents of such a transmis-

sion unless you have the

consent of a party to the

communication (unless such

activity is otherwise illegal).

This scanner is designed to

prevent reception of illegal

transmissions, in compliance

with the law which requires

that scanners be manufac-

tured in such a way as to not

be easily modifiable to pick

up those transmissions. Do

not open your scanner's

case to make any modifica-

tions that could allow it to

pick up transmissions that it

is not legal to listen to. Doing

so could subject you to legal

penalties.

We encourage responsible,

legal scanner use.

20-313.fm Page 6 Friday, January 7, 2000 3:09 PM

CONTENTS

Preparation ............................................................................. 9

Installing Batteries ............................................................. 9

Important Information About the External Power Jacks .. 10

Using AC Power .............................................................. 11

Using Vehicle Battery Power ........................................... 12

Charging Rechargeable Batteries ................................... 12

Connecting an Antenna ................................................... 13

Connecting the Supplied Antenna ............................... 13

Connecting an Outdoor Antenna ................................. 14

Connecting an Earphone/Headphones ........................... 15

Listening Safely ........................................................... 15

Traffic Safety ............................................................... 16

Connecting an Extension Speaker .................................. 16

Using the Belt Clip ........................................................... 16

Understanding Your Scanner ............................................. 17

A Look at the Keypad ...................................................... 17

A Look at the Display ...................................................... 19

Understanding Banks ...................................................... 21

Channel Storage Banks .............................................. 21

Monitor Memories ........................................................... 21

Operation .............................................................................. 22

Turning On the Scanner/Setting Volume and Squelch .... 22

Storing Known Frequencies into Channels ..................... 22

Finding and Storing Active Frequencies .......................... 23

Using Limit Search ...................................................... 23

Using Direct Search .................................................... 24

Using Monitor Memory .................................................... 25

Listening to a Monitor Memory .................................... 25

Moving a Frequency from a Monitor Memory

to a Channel ................................................................ 26

Scanning Channels ......................................................... 26

Manually Selecting a Channel ......................................... 27

20-313.fm Page 7 Friday, January 7, 2000 3:09 PM

Special Features .................................................................. 28

Using the Keylock ........................................................... 28

Locking Out Channels .................................................... 28

Delay ............................................................................... 29

Turning Channel-Storage Banks On and Off .................. 29

Using Search Skip Memory ............................................ 30

Using Priority .................................................................. 30

Using the Display Backlight ............................................ 31

Turning the Key Tone On or Off ...................................... 32

Listening to the Weather Band ....................................... 32

WX Alert ...................................................................... 32

Avoiding Image Frequencies ........................................... 33

Resetting the Scanner .................................................... 33

A General Guide to Scanning ............................................ 34

Guide to Frequencies ...................................................... 34

Ham Radio Frequencies ............................................. 34

National Weather Frequencies ................................... 34

Birdie Frequencies ...................................................... 34

Guide to the Action Bands .............................................. 35

Typical Band Usage (MHz) ......................................... 35

Primary Usage ............................................................ 35

Band Allocation ............................................................... 36

Frequency Conversion .................................................... 40

Troubleshooting .................................................................. 41

Care and Maintenance ........................................................ 43

Specifications ...................................................................... 44

20-313.fm Page 8 Friday, January 7, 2000 3:09 PM

PREPARATION

INSTALLING

BATTERIES

You can power your scanner

with four AA batteries (not

supplied). For the best per-

formance and longest life, we

recommend RadioShack al-

kaline batteries. Or, you can

use rechargeable nickel-

cadmium or nickel-metal hy-

dride batteries. Both types of

batteries are available at

your local RadioShack store.

Cautions:

• The scanner has a built-

in circuit that lets you

recharge nickel-

cadmium batteries in-

side the battery com-

partment. However, you

must never use this cir-

cuit when you have

installed non-

rechargeable batteries

in the scanner. Be sure

to read “Important Infor-

mation About the Exter-

nal Power Jacks” on

Page 10 and “Charging

Rechargeable Batter-

ies” on Page 12.

• Use only fresh batteries

of the required size and

recommended type.

• Do not mix old and new

batteries, different types

of batteries (standard,

alkaline, or recharge-

able), or rechargeable

batteries of different

capacities.

Follow these steps to install

batteries.

1. While pressing down on

the tab on the bottom of

the battery compart-

ment cover, pull it away

from the scanner to

remove it.

2. Install two batteries in

the battery compart-

ment and two in the

cover as indicated by

the polarity symbols (+

and –) marked on the

inside of the battery

compartment and inside

the cover.

20-313.fm Page 9 Friday, January 7, 2000 3:09 PM

3. Replace the cover.

When BATT.Lo flashes and

the scanner beeps every 15

seconds, or if the scanner

stops operating properly, re-

place or recharge the batter-

ies.

Warning: Dispose of old bat-

teries promptly and properly.

Do not burn or bury them.

Caution: If you do not plan to

use the scanner with batter-

ies for a month or more, re-

move the batteries. Batteries

can leak chemicals that can

destroy electronic parts.

IMPORTANT

INFORMATION

ABOUT THE

EXTERNAL

POWER JACKS

The scanner has two exter-

nal power jacks — POWER

and CHARGE. It is important

that you understand the pur-

pose of each jack before you

connect any adapter to the

scanner.

The POWER jack lets you

power the scanner using an

external power source (AC

or DC adapter). Connecting

an adapter also disconnects

the internal batteries.

The CHARGE jack supplies

power to operate the scan-

ner and also charges the in-

ternal batteries. Use the

CHARGE jack only when you

have installed rechargeable

nickel-cadmium batteries.

20-313.fm Page 10 Friday, January 7, 2000 3:09 PM

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