Radio Shack PRO-2037 Manual de usuario

OWNER'S MANUAL

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PRO-2037

Programmable Scanner

Please read before using this equipment.

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Cat. No. 20-461

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INTRODUCTION

1994 Tandy Corporation.

Radio Shack is a registered trademark used by Tandy Corporation.

Your new Radio Shack PRO-2037

Programmable Scanner lets you in on

all the action This scanner gives you

direct access to more than 31,000 fre-

quencies that include police and fire

departments, aircraft communica-

tions, amateur radio, and ambulance

and transportation services. You can

select up to 200 channels to scan and

you can change your selection at any

time.

The secret to your scanner's ability to

scan so many frequencies is its cus-

tom-designed microprocessor-a tiny,

built-in computer.

Your scanner also has these special

features:

Hyperscan - scans 25 channels per

second and searches 50 frequencies

per second.

Headphones Jack - lets you con-

nect a pair of headphones or an ex-

ternal speaker.

Triple Conversion Superhetero-

dyne - eliminates any interference

from IF (Intermediate Frequency) im-

ages, so you only hear the selected

frequency.

Ten Channel-Storage Banks - let

you store 20 channels in each of ten

banks to group channels so calls are

easier to identify.

Monitor Memories - let you tempo-

rarily save up to ten channels you lo-

cate during a frequency search.

Two-Second Channel Scan Delay

- delays scanning for 2 seconds be-

fore moving to another channel so

you can hear more replies.

Lockout Function - keeps selected

channels from being scanned so you

can skip over them.

Priority Channel - checks a chan-

nel you select every 2 seconds to

keep you from missing important

calls.

AM/FM Mode - automatically se-

lects the most common reception type

for the band you are scanning, and

lets you override the selection.

ATT Switch - reduces the scanner's

sensitivity to strong local signals.

Memory Backup - keeps channel

frequencies stored in memory for up

to 1 hour during a power loss.

Liquid-Crystal Display - shows the

selected channel and frequency.

Note: Mobile use of this scanner is

unlawful or requires a permit in some

areas. Check the laws in your area.

For your important records, please re-

cord your scanner's serial number in

the space provided. The serial num-

ber is located on the back of the

scanner.

Serial Number: _

Your PRO-2037 covers the following

bands:

30 - 50 MHz (VHF Lo)

50 - 54 MHz (6-Meter Ham Band)

118- 136.975 MHz (Aircraft)

137 -144 MHz (Government)

144 - 148 MHz (2-Meter Ham Band)

148 -174 MHz (VHF Hi)

380 - 450 MHz (Ham Radio and Gov-

ernment)

450 - 470 MHz (UHF Lo)

470 - 512 MHz (UHF TV)

806 - 823.9875 MHz (UHF Hi)

849.0125 - 868.9875 MHz (UHF Hi)

894.0125 - 960 MHz (UHF Hi)

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK). 0 USER·

SERVICEABLE PARTS INSIDE. REFER SERVICI G TO

QUALIFIED SERVICE PERSONNEl.

Warning: To reduce the risk of fire

or electric shock, do not expose

this appliance to rain or moisture.

FCC NOTICE

Your scanner might cause radio or TV

interference, even when it is operat-

ing properly. To determine whether

your scanner is causing the interfer-

ence, turn off your scanner.

the in-

terference goes away, your scanner is

causing the interference, Try to elimi-

nate the interference by:

• Moving your scanner away from

the receiver

• Connecting your scanner to an out-

let that is on a different electrical

circuit from the receiver,

• Contacting your local Radio Shack

store for help

you cannot eliminate the interfer-

ence, the FCC requires that you stop

using your scanner.

This device complies with Part 15 of

FCC Rules.

Operation is subject to

the following conditions: (1) This de-

vice must not cause harmful interfer-

ence, and (2) this device must accept

any interference received, including

interference that may cause unde-

sired operation.

Ir\

This symbol is intended to

ill

alert you to the presence of

dangerous voltage inside the

product that presents a risk of electric

shock. Do not open the product's

case.

This symbol is intended to tell

~ you that important operating

and maintenance instructions

are contained in this owner's manual.

•

CONTENTS

PREPARATION 6

Connecting the Antenna 6

Connecting an Optional Antenna 6

Connecting Power 7

Connecting AC Power 7

Connecting DC Power 8

Resetting and Initializing the Scanner 8

Resetting the Scanner's Display 8

Initializing the Scanner 9

Connecting Headphones 9

Listening Safely 9

Traffic Safety 10

Connecting an External Speaker 10

UNDERSTANDING YOUR SCANNER 11

A Look at the Keyboard 11

A Look at the Display 12

UNDERSTANDING MEMORY 13

Channel-Storage Banks 13

Monitor Memories 13

OPERATION 14

Turning On the Scanner/Setting Volume and Squelch 14

Scanning the Channels 14

Turning Channel-Storage Banks On and Off 14

Storing Frequencies 15

Searching For and Temporarily Storing Active Frequencies 15

Limit Search 16

Direct Search 16

Moving a Frequency From a Monitor Memory to a Channel 17

Manually Selecting a Channel 17

SPECIAL FEATURES 18

Changing the AM/FM Mode 18

Delay 18

Locking Out a Channel 19

Priority 19

Using the ATT Switch 20

A GENERAL GUIDE TO SCANNING 21

Guide to Frequencies 21

National Weather Frequencies 21

Ham Radio Frequencies 21

Birdies 22

Guide to the Action Bands 23

Typical Band Usage 23

Primary Usage 24

Specified Intervals 24

Band Allocation 25

Frequency Conversion 27

TROUBLESHOOTING 28

CARE AND MAINTENANCE 29

SPECIFICATIONS 30

PREPARATION

The scanner's sensitivity depends on

the antenna's length and various envi-

ronmental conditions. For the best re-

ception of the transmissions you want

to hear, adjust the antenna length.

This scanner is primarily designed for

use in the home as a base station.

You can place it on a desk, shelf, or

table.

Your scanner's front feet fold up or

down. Adjust them to give you the

best view of the display.

CONNECTING THE

ANTENNA

To attach the supplied telescoping an-

tenna, simply screw it clockwise into

the hole on the scanner's top.

Frequency Antenna Length

30-174 MHz extend fully

380 - 512 MHz extend 2 segments

806 - 960 MHz collapse fully

(1 segment only)

Connecting an Optional

Antenna

The telescoping antenna is adequate

for strong local signals. But, for im-

proved reception, you can connect a

multi-band outdoor antenna (not sup-

plied) to the scanner. Your local Radio

Shack store sells a variety of anten-

nas. Choose the one that best meets

your needs.

When deciding on an outdoor base

antenna and its location, consider the

following:

• 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.

To connect an optional antenna, always

use 50-ohm coaxial cable, such as RG-

58 or RG-8. For lengths over 50 feet,

use RG-8 low-loss dielectric coaxial ca-

ble. 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 Radio Shack store car-

ries a wide variety of coaxial antenna

cable and connectors.

Follow the mounting instructions sup-

plied with the antenna. Then route the

antenna cable to the scanner, and

connect it to the

ANT

jack on the

back of the scanner.

Caution:

Do not run the cable over

sharp edges or moving objects.

Warning: Use extreme caution

when you install or remove an

outdoor antenna. 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 electrocution and death.

Call the power company to re-

move the antenna. DO NOT at-

tempt to do so yourself.

CONNECTING POWER

You can power your scanner from

either of these sources:

• Standard AC power

• Vehicle battery power (using an op-

tional DC adapter)

The memory backup circuit begins to

function a few minutes after you con-

nect the scanner to AC or DC power.

If a power failure occurs or if the

power cord is disconnected, this cir-

cuit protects information in the scan-

ner's memory for about 1 hour.

Connecting AC Power

Plug the scanner's AC power cord

into a standard AC outlet.

Caution:

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 the plug into the AC outlet.

RESETTING AND

INITIALIZING THE

SCANNER

Connecting DC Power

You can power your scanner from

your vehicle's cigarette-lighter socket

using a DC adapter (Radio Shack

Cat. No. 270-1533).

Cautions:

• The vehicle must have a 12-volt,

negative ground electrical system.

• You must use a DC adapter that

supplies 12 volts and delivers at

least 500mA and its plug must cor-

rectly fit the

DC 13.8 V

jack on the

back of the scanner. The recom-

mended adapter meets these

specifications. using an adapter

that does not meet these specifica-

tions could seriously damage the

scanner or the adapter.

Insert the DC adapter's small barrel

plug into the

13.8 V jack on the

scanner's back. Then plug the other

end of the DC adapter into your vehi-

cle's cigarette-lighter socket.

DC 13.8 V Jack

If the scanner's display locks up or

the scanner does not work properly

after you connect power, you might

have to reset the scanner's display or

initialize the scanner.

Resetting the Scanner's

Display

1. Turn off the scanner, then turn it on

again.

VOLUME

2. Insert a pointed object, such as a

straightened paper clip, into the

RESET

hole on the back of the

scanner.

If the scanner still does not work

properly, you might have to initialize

the scanner.

Insert the headphones' plug into the

{\ jack on the front of the scanner.

Initializing the Scanner

Caution:

This procedure clears all in-

formation you programmed in the

scanner's memory. Initialize the scan-

ner only when you are sure the scan-

ner is not working properly.

1. Turn off the scanner, then turn it on

again.

2. Press and hold down

CLEAR

and

insert a pointed object, such as a

straightened paper clip, into the

RESET

hole on the back of the

scanner.

3. Release

RESET.

When the display

reappears, release

CLEAR.

Note:

You must release

RESET

be-

fore releasing

CLEAR

in order to

clear the memory.

CONNECTING

HEADPHONES

For private listening, you can connect

an optional pair of headphones with a

/s-inch plug to the scanner. Use

monaural heapdhones, such as Cat.

No. 20-210.

Note:

Plugging in headphones auto-

matically disconnects the internal

speaker.

Listening Safely

To protect your hearing, follow these

guidelines when you use head-

phones.

• Set the volume to its lowest setting

before you begin listening. After

you put on the headphones, adjust

the volume to a comfortable listen-

ing level.

• Do not listen at extremely high-vol-

ume levels. Extended high-volume

listening can lead to permanent

hearing loss.

• Do not increase the volume once

you establish a comfortable listen-

ing level. Over time, your ears

adapt to the volume level, so a vol-

ume level that does not cause dis-

comfort might still damage your

hearing.

CONNECTING AN

EXTERNAL SPEAKER

Traffic Safety

Do not wear headphones while oper-

ating a motor vehicle or riding a bicy-

cle. This can create a traffic hazard

and is illegal in some areas.

Even though some headphones are

designed to let you hear some out-

side sounds when listening at normal

volume levels, they still present a traf-

fic hazard.

You can connect an optional extemal

speaker with a

/s-inch plug to the

scanner. Use an 8-ohm external

speaker capable of handling over 5

watts of power, such as Cat. No. 21-

549.

Insert the speaker cable's plug into

the

EXT SPKR

jack on the back of

the scanner.

= .)

Note:

Plugging in an external speaker

automatically disconnects the scan-

ner's internal speaker.

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