Uniden UH-057 User Manual

unideif

SUNDOWNER UH057

Handheld UHF CB Radio

with User Programmable

Built-in SELCALL

uniden

UNIDEN AUSTRALIA PTY. LIMITED
345 Prrcess Higlwffly. Rockdale. NSW2216
Ph(0j)599-3100 FAX(0£)599-3278

OPERATING GUIDE

Please read this Operating Guide carefully before operating this radio

Safety Information

DO NOT operate the transmitter of any radio equip
ment with the antenna touching, or close to the eyes,
face, or exposed body parts.

DO NOT iet chiidren operate any transmitter-equipped
radio equipment.

DO NOT operate the transmitter of any radio equip
ment unless all the Radio Frequency (RF) connectors
are secure and any open connectors are property

terminated.
Have your radio equipment serviced by a qualified

technician.

Nickel-Cadmium Battery Warning

This equipment contains a Nickel-Cadmium battery.
The Nickel-Cadmium battery contained in this equip

ment may explode if disposed of in a fire.
DO NOT short circuit the battery.

DO NOT charge the Nickel-Cadmium battery used in
this equipment in any other charger other than the one
designed to charge this battery. Using another
charger may damage the battery, or cause the battery
to explode.

Uniden** is a registered trademark of Uniden Corporation.

Features, Specificatiorrs, and availability of Optional
Accessories are all subject to change without notice.

Table of Contents

Introduction..............................................................................

Description........................................................................

Warning

............................................................................

Licensing Requirements

Feature Highlights...................................................................

Unpacking.........................................................................

Optional Accessories

Controls and Indicators

Top Indicators and Display

Side Controls and Connectors..........................................

Front Controls
Numeric Keypad Controls and Function

Getting Started

Antenna.............................................................................

Battery Information............................................................

Installation
Recharging the Nickel-Cad mi urn Battery Pack.

Belt Clip Installation

Operation

Receive.............................................................................

Direct Channel Keying................................................

Auto-Squelch..............................................................

Channel Scan ............................................................

Drop Out Delay...........................................................

Priority Scan
Create a Channel Scan List with

Transmit............................................................................

Simplex / Duplex Communication.....................................

Low Battery Level Detection.............................................

Special Feature.......................................................................

SELECTIVE CALLING......................................................

SELCALL Operation

Receiver Quieting.......................................................

When a call is received..............

Tone Squeich Scanning

Tone Calling........................................

Group Calling..............................................................

Programming...........................................................................

Receiver SELCALL ID
Transmitter SELCALL !D
Other SELCALL Parameters

Tone Period................................................................

Lead-In Delay.............................................................

Lead-In Tone..............................................................

Programming Guide

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Channel Lock-Out Feature...................................

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Page 1 UH-057

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

Service
UHF CB Channel Information

...........................................................................

......................................

SIMPLEX Operating Mode.................................................... 37

DUPLEX Operating Mode

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36
37

38

Specifications................................................................ 39

General.................................................................................. 39

Transmitter........................................................................... 40

Receiver................................................................................ 40

SELCALL.............................................................................. 40

UH-057 Page 2

Introduction

Welcome to the world of CB Radio Communication. You
have chosen the most reliable, highly engineered, uttra­precise piece of communication equipment.

Description

Your UN IDEM Sundowner UH-057 represents the most
advanced portable radio ever designed for use in the UHF
Citizens Band Radio Service. With Built-in SELCALL, this
radio allows you to call or to be called distinctively.

With its rugged physical and electrical design, this radb will
give a reliable years of trouble free service.

You are encouraged to thoroughly read the rest of this
operating guide to acquaint yourself with the superior
characteristic and operation of your transceiver. This full
featured radio operates on any of the 40 UHF frequencies
designated as Citizens Band Channels by the Spectrum
Management Agency.

WARNING

The Citizens Band Radio communication Service (CBRS)
is under the jurisdiction of the Australian Management
Agency (SMA). Any adjustment or alteration which will
change the performance of the transceiver's original SMA
type acceptance is STRICTIY PROHIBITED. Replace
ment or substitution of power or frequency determining
components e.g. Crystals, Transistors, ICs, Diodes, etc.
with other than those recommended by UNIDEN will
cause violation to the SMA type acceptance technical
requirement.

Licensing Requirements

Before using your transceiver, you must obtain a Citizens
Band Radio License from the Spectrum Management
Agency (SMA). Application forms and brochures relating to
CBRS are available at your nearest SMA office. Mail the
completed application form and the appropriate fee to the
Communications Manager, in the State or Territory in which
the station will be operated.

Pages UH-057

Feature Highlights

Full 40 Channel UHF CB Coverage

Operates on any of the 40 Channels designated as
Citizens Band Channels by the Spectrum Manage
ment Agency.

Simplex/Duplex Communication

Allows the Uniden Sundowner UH-057 to operate
via a repeater station.

Two Level Switchable Transmitter Output Power

Lets you transmit at 1 Watt or 5 Watts for short­range or long-range communication.

Auto-Squelch System

Eliminates unwanted noise when activated.

Liquid Crystal Display (LCD) with Backlight

Shows visual display of the current Channel and/or
Operation. Illuminated everytime a Key is pressed
for better visibility at night or under dim conditions.

TX/Busy LED

Lights RED when the unit is transmitting. Lights
GREEN when the received signal (on the current
channel) is strong enough to break the squelch.

Channel Scan

Provides rapid, automatic scanning of programmed

channels.

Priority Scan

Regularly monitors your chosen priority channel

every 1.5 seconds during scan mode.

User Programmable Channel Scan List (using LOCK

OUT switch)

Allows the user to customise the Channel Scan List
for faster scanning.

Battery Save

Conserves the Battery Power by putting the
receiver on “sleep" when monitoring inactive

channel.

Battery Low Detection

Informs the user when the battery level is low and
needs recharging.

SELCALL

Built-in Selcall (Selective Calling) System lets the
unit to call or be called selectively.

Numeric Keypad

Installed to give the users freedom to program his
own Selcall Codes or access other Selcall Func
tions.

UH-057

Page 4

Receiver Quieting (Tone Squelch)

Prevents any unwanted signal in the channel from
being heard unless the required tone codes to open
the 'Quiet Condition’ is received.

CALL Alarm

When selectively called, emits an audible alarm to
notify the user that a caller is on the channel.

Acknowledge Tone

Sends a response tone automatically to the caller to
acknowledge a Selective Call.

Group Call

Capable of transmitting and responding to group
calls.

Direct Channel Keying

Gives the user option to select channels directly
using the Numeric Keypad.

Rechargeable Battery Pack

Eliminates the costly expense of frequent Battery
replacement.

Battery Free Memory

The programmed channels on the Scan List and
other unit settings are retained in memory when the
Battery Pack is removed from the unit.

Page 5

UH-057

UNPACKING

Carefull/ check the package contents against the list:

Uniden Sundowner UH-057 UHF CB Radio

Flexible Antenna
AC Adaptor/Charger
Standard Nickel-Cadmium Battery Pack

Belt Clip
Wrist strap
This Operating Guide

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

place of purchase immediately.

OPTIONAL ACCESSORIES

• Speaker-Microphone

A two-in-one combination for convenient transmit
ting and receiving.

• Spare Battery Pack

A replacement pack for your rechargeable battery
(Either standard or Heavy Duty Pack).

• Battery Pack Charger
Desktop Rapid Charger

UH-057

Page 6

Controls and Indicators

ANTENNA

Connector

LCD Display

T»BUSY

Top indicators and Display

Antenna Connector

- conned the antenna to this TNC port

Lock-out Switch

- locks out a selected channel from channel scan.

Duplex Switch

- allows Simplex or Duplex Operation on Channels 1
through 8

Channel UP/DOWN Switches

- use to select a channel

On/Off Volume Control

- Rotate clockwise to turn the radio ON and increase
the volume. Rotate counter-clockwise to turn the
radio OFF or decrease the volume.

TX/Susy Indicator

- The RED LED tights when you press the PTT switch
(to transmit). It blinks when the battery is low and
needs recharging. The GREEN LED lights when the
received signal (on the current channel) is strong

enough to break the squelch.

Page 7

UH-057

LCD Display

- the Liquid Crystal Display (LCD) has several

indicators that show the current operating mode. The
two digits at the right show the current selected
channel. The smaller, twoAhree-letter displays show
which features are enabled.

dup

CAL LO
PRI SCN

TSQ Tone Squelch Enabled

CAL Appears when an incoming tone

PRI Priority Channel Selected

DUP Duplex Channel Operation

LO Low Power TX Selected
SCN Scan feature enabled

code successfully opened the Tone
Squelch, or when TX Selcall codes
are being transmitted.

Selected

UH-057

Page 8

Battery Pack
Release Button

UONtTOfl Switch

(PusMo-Talk)
Switch

TX POWER HILO
Switch

AC Adaptor/
Charger Jack

Side Controls and Connectors

Battery Pack Release Button - To remove the Battery

Pack, push up on the release button and slide the Battery
Pack away from the radio.

Monitor Switch - Press to set the Auto-squelch feature ON

or OFF,

Push-to-Talk (PIT) Switch - Press and hold to talk.

Release to listen for a reply.

TX Power HI/LOW Switch - Press to set the Transmit
output power to HIGH (5W) or LOW(IW).

AC Adaptor/Charger Jack - Connect AC Adaptor/Charger
here

Page 9

UH-057

Front Controls

Built-in Speaker - Audio Output

Built-in Microphone - Speak into the microphone when

transmitting.

Speaker Jack - Connect optional external speaker here.

Microphone Jack - Connect optional external microphone

here.

Numeric Keypad - used for Direct Channel Keying, en

abling SELCALL Functions, selecting Priority Channel, and
programming SELCALL Codes,

UH-057

Page10

Numeric Keypad Controls and Functions

QD CD CD GD
CD CD E) GD
CD CD E) GD
CD CD CD GS)

CD to CD ■ NUMERIC Keys; Used to select channels,

enter special Receiver/Transmit Codes and
other SELCALL Parameters

CS> : ASTERISK Key; Press and hold for 1.5 sec

® : HASH Key; Press and hold for 1.5 sec to

to access Tone Period Programming

: Assigned as “D” tone when programming

RX ID, TX ID, or Lead-In tone.

enter Lead-In Delay Programming

; Assigned as "F" tone when programming

RX ID, TX ID, or Lead-In tone.

Page 11 UH-057

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Note: When shipped from the factory, no SELCALL codes

ENTER Key; Press to enter the selected
Channel;
Press to store the RX/TX Code, Lead-In
Tone, Lead-In delay, and Tone Period
Setting when programming
Press and hold for 1.5 sec to enter special
programming modes.
Assigned as "E" tone when programming
Lead-In Tone ONLY.
TONE CALL Key; Press and hold for about

1.5 sec to transmit the transmitter ID (e.g,,
calling other radio by transmitting its
SELCALL ID)
Assigned as "A" tone when programming
RXID, TXIDof Lead-In Tone.
TONE SQUELCH Key; Press and hold for
about 1,5 sec to put the receiver on “Quite"
Mode,
Assigned as “B" Tone when programming
RX ID, TXID,or Lead-In Tone.

PRIORITY Key; Press this key to store or
remove the selected Priority channel to/
from the memory buffer.
Assigned as "C"tone when programming

RX ID,TX ID, or Lead-In Tone.

are stored in the memory. Error tone will be heard
everytime GD or Key is pressed. To program,

please see page 27.
See page 34 for Numeric Keypad SELCALL Tone

Assignment.

UH-057

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