Radio Shack TRC-239 Bedienungsanleitung

Cat. No. 21-1628

OWNER’S MANUAL

Please read before using this equipment.

TRC-239

40-Channel, 4-Watt

CB Walkie-Talkie

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FEATURES

Your RadioShack TRC-239 40-Channel, 4-Watt CB

Walkie-Talkie is a portable, easy-to-use, two-way ra-

dio that you can carry almost anywhere. It will give

you reliable communications in many different appli-

cations.

You can use your TRC-239 around the house, in

your office, car or boat or anywhere on the go. It is

useful on fishing and camping trips. Or in your busi-

ness for security patrols, for supervisors, or ware-

house personnel.

Its features include:

Maximum Allowable Power — lets you transmit at

the maximum legal level for the best range possible.

Flex Antenna — lets you transmit conveniently in

confined quarters.

Selectable Transmit Power — lets you adjust the

output power to save battery power during short-

range transmissions.

TX/BATT (Transmit/Battery Low) Indicator —

lights when the TRC-239 transmits and when you

should replace or recharge the batteries.

Long Battery Life — reduces the need for replace-

ment or recharging. Extends your talk-time.

Built-in Charging Jack — lets you recharge option-

al nickel-cadmium (Ni-Cd) or nickel-metal hydride

(Ni-MH) batteries inside the TRC-239.

RadioShack and Adaptaplug are registered trademarks

used by Tandy Corporation.

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Rotary Volume and Squelch Controls —mean

faster, easier operation under virtually any condition.

Automatic Modulation Limiter — prevents over-

modulation to ensure a clear sound.

Automatic Noise Limiter — reduces noise caused

by nearby electrical equipment such as motors or au-

tomotive ignition systems.

CHARGE Indicator — lights to indicate that the

TRC-239 is charging your optional rechargeable bat-

teries.

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FCC INFORMATION

The Federal Communications Commission (FCC)

does not require you to have a license to operate this

CB. However, the FCC does require that you read

and know Part 95 of

FCC Rules

. These rules apply to

the operation of a Class D CB. We have provided a

copy of these regulations with your CB.

Warning: Do not open your CB to make any internal

adjustments. Any internal adjustments can be made

only by an authorized service technician.

Unauthorized internal adjustments and/or modifica-

tions can lead to illegal operation as defined by Part

95 of FCC Rules. Such illegal operation can lead to

very serious consequences. To be safe and sure:

• Never open your CB’s case.

• Never modify your CB.

Your CB might cause TV or radio interference even

when it is operating properly. To determine whether

your CB is causing the interference, turn off your CB.

If the interference goes away, your CB is causing it.

Try to eliminate the interference by either moving

your CB away from the receiver or contacting your lo-

cal RadioShack store for help. If you cannot elimi-

nate the interference, the FCC requires that you stop

using your CB.

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CONTENTS

Preparation ........................................................... 6

Powering the CB ............................................. 6

Using the POWER Jack and

NI/AL Switch ............................................ 6

Using Batteries ............................................... 7

Using Non-Rechargeable Batteries ......... 7

Using Rechargeable Batteries ................. 8

Charging Tips .......................................... 9

Using Vehicle Battery Power ........................ 10

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

Connecting the Antenna ............................... 12

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

Operation ............................................................ 15

Receiving Transmissions and

Adjusting Squelch ......................................... 15

Transmitting .................................................. 15

CB Operation Tips ............................................. 17

Typical Uses For a CB Radio ....................... 17

Business Uses ...................................... 17

Personal Uses ....................................... 17

CB Courtesy .......................................... 18

Using Common 10-Codes ................................. 19

Maximum Range .......................................... 21

Care and Maintenance ....................................... 22

Specifications .................................................... 23

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PREPARATION

POWERING THE CB

You can power your TRC-239 from any of these

sources:

• internal batteries (not supplied)

• vehicle battery power (using an optional

adapter)

• household AC power (using an optional adapter)

Using the POWER Jack and NI/AL

Switch

The POWER jack lets you connect an external power

source (such as your vehicle’s battery) or an external

AC adapter (not supplied), or an external charger

(not supplied) to charge rechargeable batteries (not

supplied) while they are in the TRC-239. Before con-

necting anything to POWER, you must set NI/AL cor-

rectly.

Follow these steps to set NI/AL.

1. Slide the battery compartment cover in the direc-

tion of the arrow to remove it.

2. Remove any installed batteries.

3. Set NI/AL as follows:

• Set it to AL to use alkaline batteries.

SERIAL

NUMBER

FOR RADIOSHACK. A DIVISION OF TANDY

CUSTOM MANUFACTURED IN THAILAND

CORPORATION. FORT WORTH. TEXAS 76102

FCC ID: AAO2101678

(1) This device may not cause harmful interference, and

including interference that may cause undesired operation.

(2) this device must accept any interference received,

Operation is subject to the following two conditions:

This device complies with Part 15 of FCC Rules.

AAAA

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•Set

NI/AL to NI to use rechargeable batteries

inside the TRC-239

Warning: To avoid injuring yourself or damaging the

TRC-239, connect a battery charger to POWER only

when using Ni-Cd or Ni-MH batteries.

USING BATTERIES

Your TRC-239 can use 9 AA batteries (not supplied)

for power. For the best performance and longest life,

we recommend RadioShack non-rechargeable alka-

line or rechargeable nickel-cadmium/nickel-metal hy-

dride batteries.

Cautions:

• 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 or type.

Using Non-Rechargeable Batteries

Follow these steps to install non-rechargeable batter-

ies.

1. Slide the battery compartment cover in the direc-

tion of the arrow to remove it.

2. Place the batteries in the compartment as indi-

cated by the polarity symbols (+ and –) marked

inside.

3. Replace the cover.

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When the TX/BATT indicator lights steadily or the

TRC-239 stops operating properly, replace the bat-

teries.

Warning: Dispose of old batteries promptly and

properly. Do not burn or bury them.

Caution: If you do not plan to use the TRC-239 with

internal batteries for several months, remove the bat-

teries. Batteries can leak chemicals that can destroy

electronic parts.

Using Rechargeable Batteries

Rechargeable batteries come fully discharged. Be-

fore you use them for the first time, you must charge

them. You can charge the batteries while they are in

the battery compartment using a battery charger,

such as RadioShack Cat. No. 23-349 (not supplied).

Or you can use an optional external battery charger

(not supplied).

Warning: Do not try to charge non-rechargeable bat-

teries. They might get very hot and they could ex-

plode.

Follow these steps to charge nickel-cadmium or

nickel-metal hydride batteries in the TRC-239’s bat-

tery compartment.

1. Rotate VOLUME upward until it clicks.

2. Set the battery charger’s Ni-Cd/Ni-MH selector

switch to the appropriate position.

3. Insert the charger's barrel plug into the TRC-

239’s

POWER jack.

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4. Plug the charger's other end into a standard AC

outlet.

It takes 14–16 hours to recharge Ni-MH batter-

ies or 7–8 hours to recharge Ni-Cd batteries that

are fully discharged.

5. When the batteries are fully charged, unplug the

charger from the AC outlet, then disconnect the

charger from the CB.

Charging Tips

• Fully discharge Ni-Cd batteries occasionally by

using the TRC-239 until the TX/BATT indicator

lights, then fully recharge the batteries. This

helps restore and maintain the ability of the bat-

teries to take a maximum charge. (This does not

apply to Ni-MH batteries.)

• To prevent damage to rechargeable batteries,

never charge them in an area where the temper-

ature is above 122°F (50°C) or below 32°F

(0°C).

• Do not overcharge batteries. Overcharging can

severely reduce the batteries’ useful life.

• Always disconnect the charger's AC plug before

you disconnect the barrel plug.

Important: This CB can use nickel-

cadmium rechargeable batteries. At

the end of a nickel-cadmium bat-

tery's useful life, it must be recycled

or disposed of properly. Contact

your local, county, or state hazard-

ous waste management authorities

for information on recycling or disposal programs in

your area or call 1-800-843-7422. Some options that

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might be available are: municipal curbside collection,

drop-off boxes at retailers such as your local Ra-

dioShack store, recycling collection centers, and

mail-back programs.

USING VEHICLE BATTERY

POWER

You can power the TRC-239 from a vehicle’s 12V

power source (such as cigarette-lighter socket) using

a fused DC power cord that ends in a size M Adapta-

plug® adapter (neither supplied). Both are available

at your local RadioShack store.

Cautions:

You must use a power source that

supplies 13.8 volts (12-volt nominal) at

1300 mA. Its center tip must be set to

positive and its plug must fit the TRC-239's

POWER jack. Using a power source that does

not meet these specifications could damage the

TRC-239 or the power cord.

• Always connect the fused power cord to the

TRC-239 before you connect it to the power

source. When you finish, disconnect the fused

power cord from the power source before you

disconnect it from the TRC-239.

If batteries are installed, make sure NI/AL inside the

battery compartment is set to the correct position

(see “Using Batteries” on Page 7).

21-1628.fm Page 10 Tuesday, January 25, 2000 9:30 AM

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