Radio Shack PRO-2049 Manual de usuario

Cat. No. 20-419

OWNER’S MANUAL

PRO-2049

90-Channel Direct Entry

Programmable Scanner

Please read before using this equipment.

20-419.fm Page 1 Wednesday, March 24, 1999 2:43 PM

FEATURES

Your RadioShack PRO-2049 90-

Channel Direct Entry Programmable

Scanner lets you in on all the action!

This scanner gives you direct access

to over 23,000 frequencies, including

those used by police and fire depart-

ments, ambulance and transportation

services, government agencies, and

amateur radio services. You can se-

lect up to 90 channels to scan and you

can change selections at any time.

The scanner’s frequency bands let

you search specific, preset ranges of

frequencies quickly and easily.

Your scanner has all these special

features:

Weather Band Key — scans seven

preprogrammed weather channels to

keep you informed about current

weather conditions.

Three 30-Channel Storage Banks —

let you store 30 channels in each of

three banks to group channels so calls

are easier to identify.

Three Monitor Memories — let you

temporarily save three frequencies lo-

cated during a frequency search, so

you can decide if you want to move

them to permanent channel storage.

Priority Channels — let you set the

scanner to check up to three channels

every 2 seconds so you do not miss

important calls.

Band Search — lets you quickly and

easily search preset frequency rang-

es, so you can find new and unlisted

broadcasts.

Direct Search —lets you search for a

transmission starting from a specified

frequency.

Search Skip — lets you select up to

20 frequencies for the scanner to skip

during a search, so you can search

more efficiently.

Two-Second Channel Scan/Search

Delay — lets you set the scanner so it

delays scanning or searching for 2

seconds before moving to another

channel/frequency, so you can hear

more replies.

Lock-Out — keeps channels you se-

lect from being scanned, so you can

skip over busy channels such as

those with a continuous transmission.

Key Confirmation Tones — the

scanner sounds a tone when you per-

form an operation correctly and

sounds an error tone if you make an

error.

Memory Backup — keeps channel

frequencies stored in memory for 3

days or more during a power loss.

1999 Tandy Corporation.

RadioShack is a registered trademark used by Tandy Corporation.

20-419.fm Page 2 Wednesday, March 24, 1999 2:43 PM

External Speaker Jack — lets you

connect an external speaker, or an

earphone or headphones for private

listening.

External Antenna Terminal — lets

you connect an external antenna (not

supplied) for improved reception.

Your PRO-2049 scanner can receive

all of these frequencies:

• 29–54 MHz (10-Meter Amateur

Radio, VHF Lo, 6-Meter Amateur)

• 108–136.975 MHz (Aircraft)

• 137–174 MHz (Government, 2-

Meter Amateur Radio, VHF Hi)

• 406–512 MHz (UHF Lo, 70-Centi-

meter Amateur Radio, Govern-

ment, UHF “T” Band)

This table shows the preset frequency

steps your scanner uses for each fre-

quency range.

Note: The frequency steps are preset.

You cannot change them.

Your scanner can also receive these

preprogrammed weather channel fre-

quencies:

• 162.400 MHz

• 162.425 MHz

• 162.450 MHz

• 162.475 MHz

• 162.500 MHz

• 162.525 MHz

• 162.550 MHz

We recommend you record your scan-

ner’s serial number here. The number

is on the scanner’s bottom panel.

Serial Number _________________

Freq. Range

(MHz) Freq. Step

(kHz)

29.000-54.000 5

108.000-136.975 12.5

137.000-144.000 5

144.000-148.000 5

148.000-174.000 5

406.000-450.000 12.5

450.000-470.000 12.5

470.000-512.000 12.5

20-419.fm Page 3 Wednesday, March 24, 1999 2:43 PM

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:

• moving your scanner away from

the receiver

• connecting your scanner to an

outlet that is on a different electri-

cal circuit from the receiver

• contacting your local RadioShack

store for help

If you cannot eliminate the interfer-

ence, the FCC requires that you stop

using your scanner.

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 (cellular,

cordless, or other private means

of telephone signal transmission)

• pager transmissions

• any scrambled or encrypted trans-

missions

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).

This scanner has been designed to

prevent reception of illegal transmis-

sions. This is done to comply with the

legal requirement that scanners be

manufactured so as to not be easily

modifiable to pick up those transmis-

sions.

Do not open your scanner’s case to

make any modifications that could al-

low 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.

20-419.fm Page 4 Wednesday, March 24, 1999 2:43 PM

CONTENTS

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

Removing the Display Protector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

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

Connecting the Supplied Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

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

Connecting Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Connecting an External Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Connecting an Earphone/Headphones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

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

Understanding Your Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

A Look at the Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

A Look at the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Understanding Banks and Bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Channel-Storage Banks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Monitor Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Frequency Bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Turning On the Scanner/Setting Volume and Squelch . . . . . . . . . . . . . . . . . 17

Resetting the Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Manually Storing Frequencies Into Channels . . . . . . . . . . . . . . . . . . . . . . . . 18

Searching For and Temporarily Storing Active Frequencies . . . . . . . . . . . . . 19

Band Search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Direct Search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Listening to Monitor Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Moving a Frequency from a Monitor Memory to a Channel . . . . . . . . . . . . . 21

Deleting a Frequency from a Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

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

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

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

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

Skipping Frequencies/Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Removing Skip from Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Removing Skip from Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Listening to the Weather Band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Turning the Key Tone On or Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

20-419.fm Page 5 Wednesday, March 24, 1999 2:43 PM

A General Guide to Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Ham Radio Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

National Weather Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Birdie Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

United States Broadcast Band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Guide to the Action Bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Typical Band Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Primary Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Band Allocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

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

Frequency Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Care and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

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

20-419.fm Page 6 Wednesday, March 24, 1999 2:43 PM

PREPARATION

This scanner is designed for use in the

home as a base station. You can

place it on any flat surface such as a

desk, shelf, or table.

REMOVING THE

DISPLAY PROTECTOR

Your scanner’s display is protected

during shipment by a piece of film.

Peel off this film before you use the

scanner.

CONNECTING AN

ANTENNA

Connecting the Supplied

Antenna

You must install an antenna before

you can operate the scanner.

The supplied telescoping antenna

helps your scanner receive strong lo-

cal signals. To install the antenna,

thread it clockwise into the hole on the

scanner’s top.

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’s length.

Connecting an Outdoor

Antenna

Instead of the supplied antenna, you

can connect an outdoor base-station

antenna (not supplied) to your scan-

ner. Your local RadioShack store sells

a variety of antennas. Choose the one

that best meets your needs.

When deciding on a base-station an-

tenna and its location, consider these

points:

• The antenna should be as high as

possible on the house.

• The antenna and its cable should

be as far as possible from sources

of electrical noise (appliances,

other radios, etc.).

• The antenna should be vertical for

the best performance.

Frequency Antenna Length

29–54 MHz Extend fully

108–174 MHz Collapse one

segment

406–512 MHz Collapse both

segments

20-419.fm Page 7 Wednesday, March 24, 1999 2:43 PM

To connect an optional base-station

antenna, first remove the supplied an-

tenna from the scanner. Always use

50-ohm coaxial cable, such as RG-58

or RG-8, to connect the base-station

antenna. For lengths over 50 feet, use

RG-8 low-loss dielectric coaxial cable.

If the antenna cable’s connector does

not fit in the ANT. jack, you might also

need an antenna plug adapter such as

RadioShack Cat. No. 278-208. Your

local RadioShack store carries a wide

variety of coaxial antenna cable and

connectors.

Once you choose an antenna, follow

the mounting instructions supplied

with the antenna. Then route the an-

tenna’s cable to the scanner and con-

nect the cable to the ANT jack on the

back of the scanner.

Cautions:

• Do not run the cable over sharp

edges or moving parts that might

damage it.

• Do not run the cable next to power

cables or other antenna cables.

• Follow all cautions and warnings

included with your antenna.

CONNECTING POWER

The scanner’s supplied AC adapter

lets you power the scanner from a

standard AC outlet. To connect power

to the scanner, insert the AC adapter’s

barrel plug into the AC 10V jack on the

back of the scanner, then plug the AC

adapter into a standard AC outlet.

Warning: 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 ex-

posure.

Cautions:

You must use a Class 2 pow-

er source that supplies 10

volts AC and delivers at least

300 mA. Its plug must fit the scanner's

AC 10V jack. The supplied adapter

meets these specifications. Using an

adapter that does not meet these

specifications could damage the scan-

ner or the adapter.

20-419.fm Page 8 Wednesday, March 24, 1999 2:43 PM

• Use only the supplied AC adapter

to power your scanner. Using

another adapter could damage

your scanner. A replacement

adapter is available by special

order through your local

RadioShack store.

• Be sure to connect the AC adapter

to the scanner before you connect

it to an AC outlet, and disconnect

the AC adapter from the AC outlet

before you disconnect it from the

scanner.

CONNECTING AN

EXTERNAL SPEAKER

You can connect an optional external

speaker with a 1/8-inch (3.5-mm) plug

to the scanner. Use an 8-ohm external

speaker that can handle at least 2.5

watts of power. Your local Ra-

dioShack store sells scanner accesso-

ries, including external speakers.

Insert the speaker’s plug into the EXT.

SP. jack on the back of the scanner.

Note: Plugging in an external speaker

disconnects the scanner’s internal

speaker.

CONNECTING AN

EARPHONE/

HEADPHONES

You can connect an optional ear-

phone or pair of monaural head-

phones with a 1/8-inch (3.5-mm) plug

to the scanner. Your local RadioShack

store sells a complete line of ear-

phones and headphones.

Insert the earphone’s or headphones’

plug into the EXT. SP. jack on the back

of the scanner.

Note: Plugging in an earphone or

headphones disconnects the scan-

ner’s internal speaker.

20-419.fm Page 9 Wednesday, March 24, 1999 2:43 PM

Listening Safely

To protect your hearing, follow these

guidelines when you use an earphone

or headphones.

•SetOFF/VOLUME to the lowest

setting before you begin listening.

After you put on the earphone or

headphones, adjust OFF/VOLUME

to a comfortable level.

• Do not listen at extremely high

volume levels. Extended high-vol-

ume listening can lead to perma-

nent hearing loss.

• Once you set OFF/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.

20-419.fm Page 10 Wednesday, March 24, 1999 2:43 PM

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