Uniden Uh012sx Bedienungsanleitung

UNIDEN Model uh012sx UHF

CB Radio

UNIDEN Model uh012sx UHF CB Radio

Contents

Introduction 2

Controls/Connectors 3

Indicators 4

Included with your uh012sx 5

Operation

UHF CB Channels & Frequencies

Warranty 11

Features 2

Preventative Maintenance 2

Troubleshooting 2

Setting the FM Squelch 6

Selecting a Channel 7

Transmitting 7

Using Repeater Channels 7

Operating the uh012sx in Duplex Mode 8

Scanning (Open Scan) 8

Open Scan (OS) Mode 8

Programming the Instant Priority Channel 9

Continuous Tone Coded Squelch System (CTCSS) 9

Recalling the Instant Channel 9

UNIDEN Model uh012sx UHF CB Radio

Introduction

The Uniden uh012sx is designed to provide you with years of trouble free service. Its rugged

components and materials are capable of withstanding harsh environments. Please read this

Operating Manual carefully to ensure you gain the optimum performance of the unit.

Transmit and Receive FM 40CH (UHF-CB, TX Power 5w)

7 Segments LED

Instant Channel (programmable)

One touch Instant Channel recalling

Duplex Capability (from CH01 - CH08 per channel)

Open Scan

38 Built-in CTCSS codes

Rotary Channel Select

Variable Squelch Level Adjust

Volume Control with Power On/Off Switch.

Compact Dimensions: 127mm(w) x 36mm(h) x 148mm(l)

The following system checks should be made every six to twelve months:

Check the Standing Wave Ratio (SWR).

Inspect the tightness of all electrical connections.

Inspect the antenna coaxial cable for wear or breaks on the shielding.

Inspect the tightness of all screws and other mounting hardware.

The citizen band radio service is licenced in Australia by ACMA Radio-communications

(Citizen Band Radio Stations) Class Licence and in New Zealand by MED General

User Licence for Citizen Band Radio and operation is subject to conditions contained in

those licenses.

Features

Troubleshooting:

Memory Backup:

Preventative Maintenance:

Should the unit malfunction or perform poorly, follow these procedures.

Check the power cord and fuse.

Check the VOLUME control setting. Be sure the SQUELCH is adjusted properly.

Possibly the radio is over-squelched.

Check that the transmission line (coaxial cable) is securely connected to the

ANTENNA connector.

Check that the antenna is fully extended for proper operation.

Check that all transmission line (coaxial cable) connections are secure and free of

corrosion.

If the transceiver is completely inoperative...

If there is trouble with receiving...

If there is trouble with transmitting...

Check the CTCSS code.

TX BUSY CTCSS

A S C Technology

Advanced Signal Clarity

uh012sx

UNIDEN Model uh012sx UHF CB Radio

Controls/Connectors

CTCSS

Controls and Connectors

Ref Item Page Ref Item Page

Rotary Channel Selector 7

On/Off Volume & Squelch 6

Push to Talk (PTT) Switch 7

INST - Instant Channel Recall

& Instant Channel

Programming 9

DUP - Duplex On/Off 8

/CTCSS - Continuous Tone

Coded Squelch System 9

External Speaker Jack -

Power Input (13.8V DC) 2

UHF Antenna Connection 2

SCAN - Scan On/Off 8

A S C Technology

Advanced Signal Clarity

uh012sx

1 2 34

UNIDEN Model uh012sx UHF CB Radio

Indicators

LED It is turned on when transmitting condition.

LED It is turned on when receiving a signal or decoding a CTCSS

code. It blinks while receiving a signal in scan mode.

LED It is turned on when the current displayed channel has CTCSS

set. It blinks when the CTCSS code is decoded OK.

LED (40) Indicates the Channel Number.

BUSY

CTCSS

BUSY CTCSS

UNIDEN Model uh012sx UHF CB Radio

Included with your uh012sx

Uniden Model uh012sx

CB Radio

uh012sx Owners Manual Microphone

Mounting Bracket, Knobs

Rubber Washer, Washer Stars

And Screws

Microphone Hanger, Screws

and Washers

Optional Accessories

DIN Mounting Kit (DMK8990)

External Speaker (MS100)

DC Power Cord with fuse

UNIDEN Model uh012sx UHF CB Radio

Operation

TX BUSY CTCSS

A S C Technology

Advanced Signal Clarity

uh012sx

CTCSS

Setting the FM Squelch

Turn the Unit ON by rotating

the volume control clockwise.

Turn the outer ring of the

control to adjust the Squelch.

You must select a

channel which is not

in use before setting

the SQUELCH

control. (see p.7)

Think of the squelch

control as a gate. If you

turn Squelch fully

clockwise it raises the

'Squelch gate' so high that

no signals get through.

If you turn the Squelch

fully counterclockwise it

lowers the 'Squelch Gate'

to the extent that all

signals get through -

weak, medium and strong

signals and noise.

To set the 'Squelch Gate'

to the desired level, turn

the squelch knob

counterclockwise until you

hear noise. Then carefully

turn the Squelch knob

clockwise until the noise

fades. Now only strong

signals get through.

UNIDEN Model uh012sx UHF CB Radio

Operation

Selecting a Channel

Turn the Rotary Channel Selector to

select the desired channel.

For your reference a list of the available

channels, corresponding frequencies and

guidelines for their use is printed on page

10. For Australia, Channels 05 and 35 are

reserved for Emergency Calls.

Transmitting

The uh012sx uses the 40 UHF-CB Channels

Select the desired channel. Press the microphone's PTT

button and speak normally into the microphone. Hold it

approx. 7cm from your mouth. Release the PTT button to

end the transmission and listen for a reply.

(Channels 22

and 23 are for telemetry and telecommand applications.

Transmit is inhibited on these channels).

Using Repeater Channels

UHF CB repeaters are used to retransmit or relay your signal. Repeaters will extend

the range of your radio and overcome the shielding effect caused by solid

obstructions. In normal Simplex operation, your radio transmits on one particular

frequency and receives on that same frequency. If there is a barrier that partially

blocks your transmitted signal, the probability of another radio receiving the signal is

very slim. Hills, tall buildings, metallic structures,...etc tend to act as a screen between

radios.

Standard Operation without the aid of a

Repeater Station.

Operation with the aid of a Repeater

Station (Duplex).

The signal coming from your radio is received by the Repeater Station and the

re-transmitted at the same time on another channel. This operation is called

"Duplexing".

For example,

CH01 on Duplex Mode will Receive on CH01 but Transmit on CH31

CH02 on Duplex Mode will Receive on CH02 but Transmit on CH32 etc...

If you transmit on CH01 Duplex mode, you are actually transmitting on CH31 the

repeater station down-coverts your signal and retransmits on CH01.

UNIDEN Model uh012sx UHF CB Radio

Operation

TX BUSY

A S C Technolo

Advanced Signal Clari

CTCS

A S C Technolo

Advanced Signal Cla

CTCS

BUSY

Operating the uh012sx in Duplex Mode

For this example we are adopting CH01 as the channel being used in your area for

repeater use.

Press to switch Duplex On.

"r" (for repeater) is displayed in place of

the 1st digit of the channel number

indicator. e.g. 01 : normal channel 1

r1 : duplex channel 1

If Duplex is not required - press

again to switch Duplex off.

Only channels 01 - 08 are

available for Duplex.

The uh012sx has a scanning feature that allows you to search for active channels

automatically.

Press and Scanning starts.

Allows continuous scanning of all channels in ascending order.

If an active channel is found, scanning will stop on that channel.

If the received signal ceases, the unit will wait 3 seconds for the signal to return,

otherwise scanning resumes.

To deactivate SCAN, press or the PTT button on the microphone.

Check with your local Retailer for

information on available repeaters.

If SCAN is deactivated while on

an active channel, the uh012sx

will stay on that channel. If no channels

are active, the uh012sx will reinstate

the starting channel.

Scanning (open scan)

Open Scan (OS) Mode

A S C Technology

Advanced Signal Clarity

uh012sx

UNIDEN Model uh012sx UHF CB Radio

Operation

Programming the Instant Priority Channe

Recalling the Instant Channel

Turn the Rotary Channel Selector to

select the Priority Channel you prefer.

Press and hold for 1.5 seconds

to store the new setting.

Momentarily press the key at any time to return to the Instant Channel (except

during CTCSS CODE setting).

Continuous Tone Coded Squelch System (CTCSS)

This feature allows signals to be received only from callers who have selected the

same CTCSS code.

Turn the Rotary Channel Selector to

select the channel you want to set

CTCSS code.

Press and hold . The

channel display will flash the CTCSS

code.

Turn the Rotary Channel Selector to

select a desired CTCSS code. If you

select oF and press then

CTCSS will not set and CTCSS LED

will be off.

If you select a code from 01 to 38 and

press then the selected

code is set and CTCSS LED will be on.

If there is no selection for 10 seconds the operation is timed out.

DUP/CTCSS

Channels 05 and 35 are Emergency Channels. CTCSS will not operate on

these channels.

CTCSS

A S C Technology

Advanced Signal Clarity

uh012sx

CTCSS

BUSY

CTCSS

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