Radio Shack PRO-2040 Manuale utente

Cat. No. 20-414

OWNER’S MANUAL

100-Channel Programmable Home Scanner

Please read before using this equipment.

PRO-2040

20-414.fm Page 1 Wednesday, August 4, 1999 11:12 AM

FEATURES

Radio Shack is a registered trademark used by Tandy Corporation.

Your Radio Shack PRO-2040 100-

Channel Programmable Home Scan-

ner lets you in on all the action! This

scanner gives you direct access to

over 30,000 exciting frequencies that

include police and fire departments,

ambulance and transportation ser-

vices, and amateur radio. You can

select up to 100 channels to scan,

and you can change your selections

at any time.

The secret to your scanner’s ability to

scan so many frequencies is its cus-

tom-designed microprocessor — a ti-

ny, built-in computer.

Your scanner also has these fea-

tures:

perscan —scans 50 channels

per second.

persearch —searches through

frequencies at 300 steps per second

in bands that have 5 kHz steps to

help you find interesting broadcasts.

Ten 10-Channel Stora

e Banks —

let you store 10 channels in each of

10 banks to group frequencies so

you can easily identify calls.

Priorit

Channel — checks a speci-

fied channel every 2 seconds so you

do not miss important calls.

Data Detection — you can set it to

detect data signals (nonmodulated

signals such as preamble signals for

pagers) during a limit or a direct

search so it can automatically contin-

ue searching.

Monitor Memories — let you store

up to 10 frequencies you locate dur-

ing a frequency search which you

can then transfer into channels.

Search Function —searches for

new and unlisted frequencies using a

designated frequency range (limit

search) or starting from a specified

frequency (direct search).

Selectable Scan/Search Speeds

—let you select normal or hyper

scan speeds, and normal, high, or

hyper search speeds.

Manual or Scan Channel Select —

lets you manually specify a single

channel or set the scanner to auto-

matically scan all the stored chan-

nels.

Search Skip —lets you select up to

50 frequencies for the scanner to

skip during a limit or direct search, so

you can avoid unwanted frequen-

cies.

20-414.fm Page 2 Wednesday, August 4, 1999 11:12 AM

Two-Second Scan Delay — delays

scanning for 2 seconds before mov-

ing to another channel, so you can

hear more replies.

Weather Band Key —scans the

preprogrammed weather frequen-

cies to keep you informed of the most

current weather conditions.

Memory Backup —keeps the chan-

nel frequencies stored in your scan-

ner’s memory for up to 3 days during

a power loss.

Squelch Control —lets you adjust

the receiver’s sensitivity low enough

to receive weak signals or high

enough to eliminate receiver noise

when not receiving a signal.

Lock-Out Function — prevents

channels you select from being

scanned.

Backlit LCD Display —lets you

easily see the indicators on the scan-

ner’s display, even at night.

Audio Output Jack — lets you con-

nect an earphone or headphones for

private listening, or an external

speaker for listening in a remote or

noisy area.

Optional Antenna Terminals —let

you connect the supplied telescoping

antenna to the screw-in terminal, or

an external antenna to the BNC con-

nector.

Optional Power Sources —let you

power your scanner using the sup-

plied AC adapter or an optional DC

adapter.

Warning: To prevent fire or shock

hazard, do not expose this system to

rain or moisture.

This symbol is intended to alert

you to the presence of uninsulat-

ed dangerous voltage within the

scanner’s enclosure that might be

of sufficient magnitude to consti-

tute a risk of electric shock. Do not

open the scanner’s case.

This symbol is intended to inform

you that important operating and

maintenance instructions are in-

cluded in the literature accompa-

nying this scanner.

For your records, please record your

scanner’s serial number in the space

provided. The serial number is locat-

ed on the back of the scanner.

Serial Number:

RISK OF ELECTRIC SHOCK.

DO NOT OPEN.

CAUTION: TO REDUCE THE RISK OF

ELECTRIC SHOCK, DO NOT REMOVE

COVER OR BACK. NO USER-SERVICE-

ABLE PARTS INSIDE. REFER SERVIC-

ING TO QUALIFIED PERSONNEL.

CAUTION

20-414.fm Page 3 Wednesday, August 4, 1999 11:12 AM

Your PRO-2040 can receive these bands:

FCC Notice

Your scanner might cause radio or TV interference even when it is operating

properly. To determine if your scanner is causing the interference, turn off your

scanner. If the interference goes away, your scanner was causing it. Try to elim-

inate the interference by:

• Moving your scanner away from the receiver

• Connecting your scanner to an outlet that is on a different electrical circuit

from the receiver

• Contacting your local Radio Shack store for help

If you cannot eliminate the interference, the FCC requires that you stop using

your scanner.

Note: Mobile use of this scanner is unlawful or requires a permit in some areas.

Check the laws in your area.

This device complies with Part 15 of

FCC Rules

. Operation is subject to the fol-

lowing two conditions:

• This device may not cause harmful interference.

• This device must accept any interference received, including interference

that may cause undesired operation.

Band Modulation Frequency Range Frequency

Step

10-Meter Ham Band FM 29.00-29.7 MHz 5.0 kHz

VHF-Lo FM 29.7-50.00 MHz 5.0 kHz

6-Meter Ham Band FM 50.00-54.00 MHz 5.0 kHz

Aircraft AM 108-136.975 MHz 12.5 kHz

Government/Ham FM 137-148 MHz 5.0 kHz

VHF-Hi FM 148-174 MHz 5.0 kHz

Ham/Government FM 406-450 MHz 12.5 kHz

UHF-Lo FM 450-470 MHz 12.5 kHz

UHF-T (TV) FM 470-512 MHz 12.5 kHz

UHF-Hi FM 806-823.9375 MHz 12.5 kHz

UHF-Hi FM 851- 868.9375MHz 12.5 kHz

UHF-Hi FM 896.1125-956 MHz 12.5 kHz

20-414.fm Page 4 Wednesday, August 4, 1999 11:12 AM

CONTENTS

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

Connecting Power .......................................................................................7

Using Standard AC Power ....................................................................7

Memory Backup ....................................................................................7

Using Vehicle Battery Power.................................................................8

Connecting an Antenna ...............................................................................9

Telescoping Antenna.............................................................................9

Optional Outdoor Antenna.....................................................................9

Resetting the Scanner’s Display................................................................10

Initializing the Scanner...............................................................................11

Connecting an Earphone/Headphones/External Speaker.........................11

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

Traffic Safety .......................................................................................12

Understandin

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

A Look at the Front Panel..........................................................................13

A Look at the Display.................................................................................15

Understanding the Scanner’s Memory ......................................................17

Channel-Storage Banks......................................................................17

Monitor Memories............................................................................... 17

Operation ........................................................................................................18

Turning On the Scanner/Setting the Volume and Squelch ........................18

Finding Birdie Frequencies........................................................................19

Manually Storing Frequencies in Channels...............................................20

Searching For and Temporarily Storing Active Frequencies......................21

Limit Search ........................................................................................21

Direct Search.......................................................................................22

Search Skip Memory...........................................................................23

Listening to Monitor Memories...................................................................24

Moving a Frequency from a Monitor Memory to a Channel.......................25

Scanning the Stored Channels..................................................................25

Turning Channel-Storage Banks On and Off.......................................26

Manually Selecting a Channel...................................................................26

Listening to the Weather Band...................................................................27

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

Designating a Priority Channel..................................................................28

Using the 2-second Delay..........................................................................28

20-414.fm Page 5 Wednesday, August 4, 1999 11:12 AM

Locking Out Channels............................................................................... 29

Changing Scanning and Search Speeds................................................... 29

Detecting Data Signals.............................................................................. 30

A General Guide To Scanning....................................................................... 31

Guide to Frequencies ................................................................................ 31

National Weather Frequencies............................................................ 31

Ham Radio Frequencies ..................................................................... 31

Guide to the Action Bands......................................................................... 31

International Broadcast Bands............................................................ 31

Typical Band Usage............................................................................ 32

Primary Usage .................................................................................... 32

Specified Intervals............................................................................... 33

Band Allocation................................................................................... 33

Frequency Conversion .............................................................................. 38

Troubleshooting............................................................................................. 39

Care and Maintenance................................................................................... 40

Specifications................................................................................................. 41

Scanning Legally

Scannin

is a fun and interestin

hobby. You can hear police and fire depart-

ments, ambulance services,

overnment a

encies, private companies, amateur

radio services, aircraft, and military operations. It is le

al to listen to almost every

transmission your scanner can receive. However, there are some electronic and

wire communications that are ille

al to intentionally intercept. These include:

• Telephone conversations (cellular, cordless, or other private means of tele-

phone si

nal transmission)

•Pa

er transmissions

• Scrambled or encrypted transmissions

Accordin

to the Federal Electronic Communications Privacy Act (ECPA), as

amended, you could be fined and possibly imprisoned for intentionally listenin

to, usin

, or disclosin

the contents of such a transmission unless you have the

consent of a party to the communication (unless such activity is otherwise ille-

al). These laws chan

e from time to time and there mi

ht be state or local laws

that also affect le

al scanner usa

20-414.fm Page 6 Wednesday, August 4, 1999 11:12 AM

PREPARATION

CONNECTING POWER

Using Standard AC Power

You can power your scanner from a

standard AC outlet using the sup-

plied AC adapter.

Warnin

:Do not use the AC adapt-

er’s polarized plug with an extension

cord receptacle unless the blades

can be fully inserted to prevent blade

exposure.

Cautions:

• The supplied AC adapter sup-

plies 12 volts and delivers 500

milliamps. Its center tip is set to

positive, and its plug properly fits

the scanner’s DC 12V jack.

Using an AC adapter that does

not meet these specifications

could damage the scanner or

the adapter. The scanner’s dis-

play dims if the AC adapter you

use does not provide the

required 12 volts DC.

• Be sure you connect the AC

adapter to the scanner before

you connect it to a standard AC

outlet. Then disconnect the

adapter from the AC outlet

before you disconnect it from the

scanner.

• If you have difficulty inserting the

AC adapter’s polarized plug, do

not force it. Turn it over and rein-

sert it.

1. Insert the supplied AC adapter’s

barrel plug into the scanner’s DC

12V jack.

2. Plug the adapter’s power mod-

ule into a standard AC outlet.

Memory Backup

If a power failure occurs or if the pow-

er cord is disconnected, the scan-

ner’s memory backup circuit keeps

information in memory for up to 3

days.

Note: The memory backup circuit

begins to protect the contents in

memory within a few minutes after

you plug in the scanner.

20-414.fm Page 7 Wednesday, August 4, 1999 11:12 AM

Using Vehicle Battery Power

To power your scanner from your ve-

hicle’s battery power, you need a DC

power cord (such as Radio Shack

Cat. No. 270-1533).

Cautions:

• Your vehicle must have a 12-volt

DC, negative-ground electrical

system.

• The recommended DC power

cord supplies 12 volts and deliv-

ers at least 500 milliamps. The

center tip on the barrel plug is

set to positive, and the plug

properly fits the scanner’s DC

12V jack. Using a DC power cord

(or adapter) that does not meet

these specifications could dam-

age the scanner or the cord (or

adapter). The scanner’s display

dims if the DC cord (or adapter)

you use does not provide the

required 12 volts DC.

• Be sure you connect the DC

cord to the scanner before you

connect it to the vehicle’s ciga-

rette-lighter plug. Then discon-

nect the cord from the vehicle’s

cigarette-lighter plug before you

disconnect it from the scanner.

Follow these steps to use vehicle

battery power.

1. Insert the barrel plug into the

scanner’s

DC 12V jack.

2. Plug the other end of the

adapter into your vehicle’s ciga-

rette-lighter socket.

Note: If the scanner does not oper-

ate properly when you use a DC cord

(or adapter), unplug the cord (or

adapter) from the lighter socket and

clean the socket to remove ashes

and other debris.

DC 12V Jack

20-414.fm Page 8 Wednesday, August 4, 1999 11:12 AM

CONNECTING AN

ANTENNA

You can connect either the supplied

telescoping antenna or an optional

antenna.

Telescoping Antenna

To attach the telescoping antenna,

simply screw it into the hole on top of

your scanner.

The antenna’s length controls its

sensitivity. Adjust the length of the

telescoping antenna as follows for

the best reception.

29-54 MHz Extend all 3 seg-

ments

108-174 MHz Extend only 2 seg-

ments

406-956 MHz Collapse Fully (only

1 segment extend-

ed)

Optional Outdoor Antenna

The supplied antenna is usually ade-

quate for strong, local signals. How-

ever, for the best results in receiving

weaker, more distant signals on all

bands, you can attach an optional

outdoor antenna (not supplied), such

as a mobile, telescoping, multi-band,

or outdoor base antenna.

Warning: When installing or remov-

ing an outdoor antenna, follow all

cautions and warnings included with

the antenna.

Notes:

• This scanner uses a BNC

antenna connector. If the coaxial

cable’s connector does not fit

the ANT jack, you might also

need an adapter. Your local

Radio Shack store sells a com-

plete line of outdoor antennas,

adapters, BNC connectors, and

mounting hardware.

• Always use 50-ohm coaxial

cable to connect an outdoor

antenna. For lengths under 50

feet, use RG58 (Cat. No. 278-

1314) or RG8/M (Cat. No. 278-

1313). For lengths over 50 feet,

use RG-8, low-loss coaxial cable

(Cat. No. 278-1312).

20-414.fm Page 9 Wednesday, August 4, 1999 11:12 AM

For the best performance, consider

the following when deciding on an

outdoor base antenna and its loca-

tion:

• The location of the external

antenna should be as high as

possible.

• The external antenna and

antenna cable should be as far

away as possible from sources

of electrical noise (appliances,

other radios, and so on).

• The external antenna should be

vertical.

Mount the antenna following the in-

structions supplied with the antenna

and its mounting hardware, then fol-

low these steps to connect an exter-

nal antenna.

1. Route the antenna cable to the

scanner and connect it to the

ANT jack on the back of the

scanner.

Caution:

Do not route the cable

over sharp edges or moving

objects.

2. Remove the supplied antenna

from the top of the scanner.

RESETTING THE

SCANNER’S DISPLAY

If the scanner’s display locks up after

you connect a power source, follow

these steps to reset it.

1. If the scanner is off, press

POWER to turn it on.

2. Using a pointed object, such as

a straightened paper clip, press

RESET on the back of the scan-

ner. The display resets, and the

scanner turns off.

3. Press POWER to turn on the

scanner again.

20-414.fm Page 10 Wednesday, August 4, 1999 11:12 AM

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