Uniden uh043sx-2 User manual

uh043sx-2
Operating Guide
To bring outstanding wireless communication products
to people's lives throughout the world.

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TORS
1 Antenna 16 DCS ON Indicator
2 PTT(Push-To-Talk) Key 17 Scan Indicator
3 Monitor Key 18 Memory Indicator
4 Keylock/Call Key 19 Priority Channel Indicator
5 Memory/Scan Key 20 CTCSS ON Indicator
6 Channel/Power Hi-Lo Key 21 Battery Level Indicator
7 Speaker 22 HI Transmit Indicator
8 Headset Jack 23 Lo Transmit Indicator
9 Select/Power On-Off Key 24 CTCSS and DCS Code/Volume Level Indictor
10 Volume/Select Up Key 25 Volume Setting Indicator
11 Volume/Select Down Key 26 VOX Indicator
27 Busy Channel Lockout Indicator
12 Microphone
13 Receive Indicator 28 Keypad Lock Indicator
14 Transmit Indicator 29 Charging LEDs
15 Channel Indicator
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CONTROL & INDICATORS
INCLUDED IN YOUR PACKAGE:
• uh043sx Radio (2) • Charging Cradle with AC Adaptor
• Operating Guide • NiMH Battery Pack (2)
• Belt Clip (2) • VOX Headset (2)
OPTIONAL ACCESSORIES
• VOX Earset
• Carry Case
• Speaker Mic

GETTING STARTED
Uniden does not represent this product to be waterproof. Do not
expose this product to Rain or Moisture.
BATTERY INSTALLATION
Your uh043sx unit uses the included NiMH battery pack for power. The unit
can be powered with optional 4 AAA ALKALINE batteries.
If you don't use the uh043sx for long periods, Uniden
recommend removing the batteries. The uh043sx is designed
to retain the previous user settings. This feature will continue to
use a small amount of battery power while the unit is
switched off.
To avoid damage to the unit do not mix old and new batteries.
To install the batteries:
1. Make sure your radio is off.
2. Release the battery cover clip, then remove the
battery cover.
3. Insert NiMH battery pack according to the
orientation on the battery pack.
OR
Insert 4 AAA ALKALINE batteries (not included)
according to the polarity symbols inside the battery
compartment.
4. Align the battery cover tabs with the uh043sx tab
holes then replace the cover clip.
Do not charge alkaline or non rechargeable batteries.
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INSTALLING THE CHARGE CRADLE
1. Plug the AC adaptor into the rear of the charge cradle and into the
mains power.
2. Place the uh043sx into the charge cradle. The charge light will come on
to indicate the unit is charging.
3. Before operating the uh043sx, charge the battery pack for 16 hours.
Do not charge alkaline or non rechargeable batteries.
USER LICENCE INFORMATION
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 licences.
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BELT CLIP
To attach the belt clip:
Slide the belt clip until it snaps into place.
To remove the belt clip:
To remove the belt clip, press and hold
belt clip locker, slide the belt clip at the
same time until released.
LOW BATTERY ALERT
If the battery level becomes low, the battery
indicator icon on the display begins flashing.
When the batteries in the unit are low, the unit
will go into a battery Low mode. The Transmit
mode is disabled. Replace the alkaline
batteries immediately or if you are using the
NiMH battery pack, place the radio on the
charge cradle to recharge. Full charge will take
up to 16 Hrs.
BACK LIGHT
The uh043sx has an automatic display back light which remains on for 10
seconds after a key press (all keys except PTT key). The back light will work
even if the keypad is locked but will not work during low battery alert mode.
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OPERATION
POWER ON/OFF
1. Press and hold select/ key to turn the radio on.
A channel number will appear on the display.
2. Press and hold select/ key to turn the radio off.
VOLUME
1. Press or key to increase or decrease the
volume level. ‘VOL’ icon appears on the display
while volume is being adjusted.
There are 8 volume levels. Level 0 (No Audio) to
Level 7 (Maximum Volume).
ADJUSTING THE KEY BEEPS
Your radio emits a beep each time one of the keys (except for the PTT key) is
pressed.
1. To turn OFF this beep: Press and hold /call key while turning on
the radio.
2. To turn ON this beep: Press and hold /call key while turning on
the radio.
ROGER BEEP
Roger Beep is a BEEP that is sent to notify the end of transmission (both PTT
and VOX transmission.) Roger Beep can be heard through the speaker when
Key Beep is on. Roger Beep is transmitted even if Key Beep is turned off.
However, Roger Beep will not be heard from the speaker.
1. To turn OFF Roger Beep: Press and hold key while turning on the radio.
2. To turn ON Roger Beep: Press and hold key while turning on the radio.
KEYLOCK ON/OFF
1. Press /call key for 1.5 seconds to enter keylock on mode.
2. Press /call key for 1.5 seconds while in Keylock mode to exit the
Keylock mode.
While in Keylock on mode, the uh043sx can still receive and
transmit.
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SELECTING A CHANNEL
1. Press ch/hi/lo key momentarily to activate channel select
mode. The displayed channel will flash.
2. Press or key 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 12. For Australia, Channels
05 and 35 are reserved for Emergency Calls.
3. Press ch/hi/lo key momentarily to exit channel select mode. If no key is
pressed within 5 sec the uh043sx will exit from the channel select mode.
TO TRANSMIT AND RECEIVE
The uh043sx uses the 40 UHF-CB Channels (Channels
22 and 23 are for telemetry and telecommand
applications. Transmit is inhibited on these channels).
1. Before you transmit, listen for activity on the selected channel.
2. When the channel is clear, press and hold the PTT key to transmit. ‘TX’
icon appears on the display.
Hold the radio with microphone approximately 5 cm in front of your mouth
with the antenna at approximately 45° angle away from your head. Speak in
a clear, normal conversational voice.
3. When you have finished speaking, release the PTT and listen for a response.
‘TX’ icon then disappears on the display. While receiving, the ‘RX’ icon is
displayed.
TRANSMIT Hi/Lo POWER SELECT
1. Press and hold ch/hi/lo key to select desired transmit
level. ‘HI’ icon will appear on the display for
maximum transmit level. ‘LO’ icon will appear on the
display for minimum transmit level. The RF transmit power
of the uh043sx is selectable between 0.7/0.5 W.

AUTOMATIC SQUELCH FEATURE
The uh043sx is equipped with an Automatic Squelch System which shuts off
weak transmissions and unwanted noise.
MONITOR
This feature enables users to listen for weak signals on the current channel
at the press of a key.
To use monitor:
1. Press mon key. The ‘RX’ icon will flash.
2. Release within 1.5 seconds and the unit exits Monitor
mode.
3. Press and hold mon key for 2 seconds for
continuous listening.
The receiver circuit will stay open, letting in both the noise & weak
signals. The ‘RX’ icon flashes in this status.
4. To return to normal Receive mode press mon key. The ‘RX’ icon
disappears or stops flashing in this status.
SCANNING
The scan function scans all channels which are stored in the SCAN CHANNEL
MEMORY and stops at an active channel. If a PRIORITY channel has been
selected then this channel will be monitored for activity every 3 seconds.
When the signal stops, the uh043sx waits 2 seconds (Reply Delay) before
scanning resumes.
To initiate scanning;
1. Press mem/SCN key momentarily to begin scanning.
The ‘SCAN’ icon is displayed.
2. Press select/ , mem/SCN or /call key to cancel.
When scan stops at a busy channel, pressing ch/hi/lo
key will resume scan.
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REPLY DELAY
While scanning, the uh043sx stops at a busy channel and receives a
transmission. When the received signal is over, the unit will wait for 2
seconds for the return of the signal, otherwise, the radio resumes scanning.
TO OPERATE IN DUPLEX MODE (REPEATERS)
The Duplex function enables you to access local repeater stations. You can
only activate Duplex from CH01-CH08.
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.
Contact your retailer for a list of repeaters available in
Your area.
Operation with the aid of a Repeater
1. Press select/ key six times. Pappears on the display.
2. Press or to change oto .
3. Press select/ to confirm
To deactivate the duplex operation repeat activation process and change to
o. uh043sx will return to normal operation.
If or key is pressed when the channel is not from Ch01 -
Ch08, an error tone sounds.
P

CTCSS & DCS
(Continuous Tone Coded Squelch System) & (Digital Coded Squelch)
CTCSS is a feature that allows a group to talk to each other
without hearing other users on the same channel.
1. Press select/ key momentarily to enter CTCSS
mode. The current selected CTCSS tone flashes.
2. Press key to select the required CTCSS
tone (OFF or 1-38).
3. Press select/ key six times to confirm the
selected setting and exit to standby mode.
For channels with a CTCSS tone setting, the CTCSS tone is displayed below
the channel indicator. For channels with the setting of CTCSS OFF, there will
be no display below the channel indicator.
DCS
DCS is a digital extension of CTCSS. It provides 104 extra, digitally
coded, squelch codes that follow after the 38 CTCSS codes. CTCSS 1-
38, followed by DCS 1-99 plus DCS 100-104 (represented by o0-o4 on
the display).
1. Press select/ key momentarily to enter CTCSS/DCS mode.
2. Use key to select a DCS code. The DCS codes
follow on after the CTCSS codes. The DCS icon will
replace the CTCSS code on the display.
3. Press select/ key six times to confirm the
selected setting and exit to standby mode.
The DCS icon will appear when selected. To turn
off DCS select CTCSS OFF and no display will show
below the channel indicator.
Channels 05 and 35 are used for emergency channels.
CTCSS and DCS will not operate on these two channels.
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