Uniden PRO340XL Manual de usuario

PRO 340XL

CITIZENS BAND

RADIO

OPERATING GUIDE

Pro340XL OM2.qxd 6/25/99 12:42 PM Page 1

Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . .....1

UnpackingYour CB Radio . . . . . . . . . . . . . .....2

Controls and Functions . . . . . . . . . . . . . . . .....3

Connecting the Antenna ...................4

Power ..................................5

Installing Batteries ........................5

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .....7

Before Operating the PRO 340XL: .............7

Receive ................................7

Transmit ...............................7

Care and Maintenance . . . . . . . . . . . . . . . . .....8

Replacing the Batteries ....................8

Troubleshooting . . . . . . . . . . . . . . . . . . . . . .....9

ServicingYour CB .........................9

Specifications . . . . . . . . . . . . . . . . . . . . . . .....10

Features, Specifications and availability of Optional Accessories

are all subject to change without notice.

Uniden®is a registered trademark of Uniden America Corporation.

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Introduction

WARNING

The Citizens Band (CB) Radio Service is under the

jurisdiction of the Federal Communications Commission

(FCC). Any adjustments or alterations which alter the

performance of the transceiver's original FCC type

acceptance, or change the frequency determining

method, are strictly prohibited. Replacement or

substitution of crystals, transistors, ICs regulator diodes,

or any other part of a unique nature, with parts other

than those recommended by Uniden may cause

violations of the technical regulations of Part 95 of the

FCC rules or violation as type acceptance requirements

of Part 2 of the rules.

Welcome to the world of CB radio communication. Your Uniden

PRO 340XL represents the most advanced portable radio ever

designed for use in the Citizens Band Radio Service. This

powerful unit operates on any of the 40 AM frequencies

authorized by the Federal Communications Commission (FCC).

Among its many features, the PRO 340XL includes:

•

Superheterodyne circuitry to enhance receiver quality.

•

Phase Locked Loop Synthesizer techniques to assure

precise frequency control.

•

Operation that allows you to power the radio with 8 AA

alkaline batteries.

This radio has been type accepted and fully certified by the FCC.

Pro340XL OM2.qxd 6/25/99 12:42 PM Page 1

UnpackingYour CB Radio

Carefully unpack your PRO 340XL and check the contents

against this list:

• (2) PRO 340XL Portable CB Radios

• (2) Flexible Antennas

• This Operating Guide (Read it carefully and save)

• Part 95 Subpart D (FCC Rules)

• Product Registration Card

If any items are missing or damaged, contact your place of

purchase immediately.

Be sure to complete and mail in the Product Registration Card

Pro340XL OM2.qxd 6/25/99 12:42 PM Page 2

TX Indicator

— LED lights to indicate when the radio

is transmitting.

BATT LOW

— Lights when the batteries become

Indicator

weak and need to be replaced.

Channel Display

— A large LED display shows the current

channel in use.

TONE/HIGH Switch

— Reduces high tones in the speaker

in the TONE setting.

ON/OFF Switch

— Turns the radio on and off.

Channel Selector

— Selects any of the 40 CB channels.

SQUELCH Control

— Adjusts the squelch level.

VOLUME Control

— Adjusts the volume level.

Microphone

— Transforms speech into

transmission signals.

Speaker

— Produces audible signals from

incoming transmissions.

Controls And Functions

Front View

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TX BATT

HI ON

Side View

Antenna Connector — Provides a connection for the

supplied flexible antenna

Push-to-Talk Button — Switches the CB from receive to

transmit mode.

Connecting the Antenna

1. Align the two keys on the PRO 340XL

antenna connector with the key slots in the

base of the flexible antenna.

2. Push the base of the flexible antenna

down onto the antenna connector.

3.Twist the base clockwise to lock the

antenna in place.

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Power is supplied by (8) AA 1.5 volt alkaline batteries.

Installing Batteries

1. Slide the cover off the back of the PRO 340XL.

Power

2. Insert 8 alkaline batteries into the battery compartment

as shown.

NOTE: Be sure to insert each battery with the proper polarity,

as marked in the battery compartment.

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3. Replace the cover.

NOTE:When the batteries become weak, the BATT LOW

indicator will light. Be sure to replace the batteries as

soon as possible.

Follow this diagram for correct alkaline battery placement.

Pro340XL OM2.qxd 6/25/99 12:42 PM Page 6

Operation

Before operating the PRO 340XL:

1. Be sure you read and understand Part 95 of the FCC Rules

and Regulations.

2. Be sure that the batteries and antenna are properly installed.

3. Turn the unit on by sliding the power switch up to the

position.

Receive

1. Use the Up/Down channel keys to select any of the 40

channels. Press once to change one channel at a time.

Press and hold to rapidly change channels.

2. Set the

VOLUME

control to a comfortable listening level.

3. Adjust the

SQUELCH

control to eliminate background

noise during the absence of a signal. Move

SQUELCH

to the right until the noise disappears (no signal should be

present). Leave the control at this setting. The receiver will

remain quiet until a signal is actually received.

NOTE: Do not advance the control too far, or some weaker

signals will not be heard.

4. Set the

TONE/HIGH

switch to

TONE

if the received

transmission has too much noise. This reduces the

high tones.

Transmit

If the channel is clear, press the

Push-To-Talk Button

on the

side of the unit. The

indicator lights red. Be sure to speak

clearly into the microphone.

IMPORTANT:

All channels, except channel 9, may be

used for normal communication. Channel 9 is reserved

by the FCC for emergency communications involving the

immediate safety of individuals or the protection of

property. Channel 9 may also be used to render

assistance to a motorist.

This is an FCC rule and

applies to all operators of CB radios.

Pro340XL OM2.qxd 6/25/99 12:42 PM Page 7

Care And Maintenance

The

PRO 340XL

is designed to give you years of trouble-free

service. There are no user-serviceable parts inside and except

for the batteries, no maintenance is required.

NOTE: Do not expose the unit to moisture. Rain, dew, road

splash, or other liquids may damage the internal

components.

Replacing the Batteries

See "Installing Batteries." on page 5.

Pro340XL OM2.qxd 6/25/99 12:42 PM Page 8

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