UNIDEN Model uh089sx
UHF CB Radio
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UNIDEN Model uh089sx UHF CB Radio
Introduction
The Uniden uh089sx 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
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
=Transmit & Receive FM 40CH (UHF-CB, TX
Power 5W), Transmission is inhibited at
CH22 & CH23
=LCD Display with Backlight
=Signal Strength Meter
=RF Power Meter
=Speaker Audio Volume Level Meter
=Instant Channel
=One touch Instant Channel recalling
=Rotary Channel Select
=Busy Channel Lock-out Function
=Roger Beep Function On/Off
=2 Different CallTones
=38 Built-in CTCSS (Continuous Tone Coded
Squelch System) and 104 additional DCS
(Digital Coded Squelch) codes that are user
selectable
=Variable Squelch Level adjust
=Volume Control with Power On/Off Switch
=VOX (Voice Activated Function)
=Duplex Capability (from CH01 - CH08 per
channel)
=Group Scan and Priority Channel Watch
=10 Steps VOX Mic sensitivity adjustment
=Open Scan
=Scan Channel Memory On/Off separately
with Open Scan, Group Scan
Preventive Maintenance:
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.
Troubleshooting:
Should the unit malfunction or perform poorly, follow these procedures:
If the transceiver is completely inoperative: Check the power cord and fuse.
If there is trouble with receiving: Check the VOLUME control setting. Be sure the SQUELCH is
adjusted properly. Possibly the radio is over-squelched.
If there is trouble with transmitting: 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.
Blackening may occur on the Liquid Crystal Display if the uh089sx has been
subjected to extreme high temperature (above 60°C) . This is not a fault. Normal LCD
operation resumes when the temperature stabilizes back to standard operating
operating condition (0-55°C).
2
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UNIDEN Model uh089sx UHF CB Radio
Controls/Connectors
DCS
MENU
ENTER
MON
DCS/CTCSS
ANT.
Controls and Connectors
Ref Item
Page Ref Item
Page
Liquid Crystal Display (LCD)
Rotary Channel Selector
On/Off Volume & Squelch
Push to Talk (PTT) Switch
Call Button
4
6
OS/GS - Open or Group Scan 8,9
MEM - Memory Scan Channels8,9
MON - DCS/CTCSS - Monitor and
6
DCS/CTCSS Tone button
6,11
7
DUP - Duplex On/Off
8
-
7
External Speaker Jack
Power Input (13.8V DC)
UHF Antenna Connection
Instant Button
11
10
8,9
-
Menu/Enter - Select Button
SCAN - Scan On/Off
-
3
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UNIDEN Model uh089sx UHF CB Radio
Indicators
DCS
Indicators
Ref. Item Page Ref.
Item Page
Ref. Item Page Ref.
MEM - Memory
- Call Tone
Item Page
VOX - Voice Operated
Microphone
11
9
10
10
CTCSS -Continuous Tone
Coded Squelch System
11
- Roger Beep
DCS - Digital Coded Squelch
System
BCL - Busy Channel Lockout
10
7
11
11
7
- Channel number
INST - Instant Channel
TX - Transmit
- DCS/CTCSS Code
Number
11
DUP - Duplex
8
S/RF- Receive Signal or Transmit
RF Power Level Meter
-
-
GS - Group Scan
SCAN - Scan mode
MON - Monitor
9
VOL - Receive Audio Volume
Level Meter
8
6
4
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UNIDEN Model uh089sx UHF CB Radio
Included with your uh089sx
uh089sx
io
el
Rad
Mod
CB
en
Unid
uh089sx Owners Manual
Microphone Hanger & Screws
Washers and spare fuse
Optional Accessories
Mounting Bracket,
Mounting Screws, Washer Stars
And Screws
DIN Mounting Kit (DMK8990)
External Speaker (MS100)
DC Power Cord with fuse
5
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UNIDEN Model uh089sx UHF CB Radio
Operation
Setting the Squelch
Turn the Unit ON by
rotating the volume control
clockwise. Turn the outer
ring of the control to adjust
the Squelch.
MENU
MON
DCS/CTCSS
ENTER
You must select a
channel which is not in use before setting the
SQUELCH control. (see below for "Selecting a Channel").
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.
Monitor
MON
Press
signals.
Press
to open the squelch and receive all weak
again momentarily to cancel.
MON
MON
DCS/CTCSS
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
12. For Australia, Channels 05 and 35 are
reserved for Emergency Calls.
MENU
ENTER
6
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UNIDEN Model uh089sx UHF CB Radio
Operation
Transmitting
The uh089sx uses the 40 UHF-CB Channels (Channels
22 and 23 are for telemetry and telecommand
applications. Transmit is inhibited on these 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.
Call Function
Press the microphone Call Button. A two second ringing tone will be transmitted.
You may select from 2 types of tones (see p.10).
Current regulations require calling tones to be restricted to one transmission per
minute. If a second transmission is attempted within one minute then an error
tone will sound.
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.
7
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UNIDEN Model uh089sx UHF CB Radio
Operation
Operating the uh089sx 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.
If Duplex is not required - press
again to switch Duplex off.
Only channels 01 - 08 are
available for Duplex.
MON
DCS/CTCSS
Check with your local Retailer for
information on available repeaters.
Scanning
The uh089sx has a scanning feature that allows you to search for active channels
automatically.
Furthermore, the uh089sx is designed
to have two types of scanning; Open
Scanning (OS) and Group Scanning
(GS), to give you flexibility and allow
you to use the radio more effectively.
MON
Press and Scanning starts.
The SCAN icon appears.
DCS/CTCSS
The scan direction can be changed
at any time by rotating the channel
selector left or right.
Open Scan (OS) Mode
Allows continuous scanning of all selected channels.
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 skip the active channel, press momentarily. Scanning resumes. To deactivate
SCAN, press or the PTT button on the microphone.
If SCAN is deactivated while on an active channel, the uh089sx will stay on
that active channel. If no channels are active, the uh089sx will reinstate the
starting channel.
OS Mode is indicated by the absence of the GS icon.
8
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UNIDEN Model uh089sx UHF CB Radio
Operation
Group Scan (GS) Mode
Allows you to monitor a Priority (Instant) Channel
while scanning (Instant Priority channel see p. 11)
To use GS Mode Scanning, press
. GS icon appears on the display.
GS Scanning checks the Instant Priority Channel for activity regularly.
If the Priority Channel becomes
active the radio will stay on that
channel for as long as the signal is
present. If the received signal
ceases, Priority Scanning continues
after 3 seconds.
If scanning stops on a channel
which is not a Priority Channel,
MENU
MON
DCS/CTCSS
ENTER
uh089sx will continue monitoring
the Priority Channel for activity
while listening to the active one.
To deactivate SCAN, press the
microphone.
button or the PTT button on the
If SCAN is deactivated while it is tuned to an active channel, the uh089sx will
stay on that active channel.
If none of the channels are active, the uh089sx will reinstate the scan start
channel.
If OS/GS Scanning is initiated when there are no channels programmed in
OS/GS memory, an error tone will be heard and scanning will not start (see
Programming Scan Channels - below).
Programming Scan Channels
Select which Scanning Mode you
wish to use - OS or GS.
Select the channel you want to
store.
Press
to store. MEM icon
appears and a short tone beep is
heard.
To remove the channel from
MENU
ENTER
MON
DCS/CTCSS
Memory, press once more.
The MEM icon disappears.
9
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UNIDEN Model uh089sx UHF CB Radio
Operation
Selecting the Call tone
MENU
Press once. Turn the
Rotary Channel Selector to either
MENU
or . Press and hold for 3
seconds to store the new setting.
If a button is not pressed
within 10 seconds the
uh089sx will
MENU
ENTER
MON
DCS/CTCSS
automatically exit the
Menu Mode.
Roger Beep
A Roger Beep may be added to
the end of transmission.
MENU
Press twice. Turn the
Channel Selector to display
.
MENU
Press and hold for 3
seconds to store the new setting.
MENU
ENTER
MON
DCS/CTCSS
If a button is not pressed
within 10 seconds the
uh089sx will
automatically exit the
Menu Mode.
Busy Channel Lockout
If the channel is already in use,
you can prevent the uh089sx from
transmitting . This is particularly
important when using CTCSS.
MENU
Press
3 times. Turn the
Rotary Channel Selector
.
MENU
ENTER
MON
DCS/CTCSS
to display
Press and hold
for 3
seconds to store the new setting.
MENU
If a button is not
pressed within 10
seconds the uh089sx
will automatically exit
the Menu Mode.
10
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UNIDEN Model uh089sx UHF CB Radio
Operation
VOX Operation (optional VOX headset required)
MENU
Press
4 times. Turn the
Rotary Channel Selector to select
the desired VOX sensitivity (oF, 1-9).
MENU
Press and hold
for 3 seconds
to store the new setting. Connect
the VOX headset.
MENU
ENTER
MON
DCS/CTCSS
If a button is not pressed
within 10 seconds the
uh089sx will automatically exit the Menu Mode.
INST
Programming the Instant Priority Channel
Turn the Rotary Channel Selector to select the Priority
Channel you prefer.
Press and hold INST button on the microphone for 3
seconds to store the new setting. INST icon appears.
Recalling the Instant Channel
Momentarily press the INST button on the microphone at any time to return to the
Instant Channel.
CTCSS (Continuous Tone
Coded Squelch System)
Turn the Rotary Channel Selector
to the desired channel to use
MON
CTCSS. Press and hold
seconds. CTCSS icon appears.
for 3
MENU
ENTER
MON
DCS/CTS
Turn the Rotary Channel Selector to
select the desired CTCSS code 01 - 38. Press
MON
once to store the
new setting. To turn off CTCSS (or DCS) select the oF code during setting.
DCS (Digitally Coded Squelch)
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).
Follow the steps for setting a CTCSS code. Turn the Rotary Channel Selector until the
MON
DCS codes appear. Press
to set. The DCS icon and code will display.
Channels 5 and 35 are used for emergency channels. CTCSS and DCS will
not operate on these channels.
11
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UNIDEN Model uh089sx UHF CB Radio
UHF CB Channels & Frequencies
Please follow these guidelines for channel use in Australia:
• Channels 05 and 35 are Emergency Channels.
• Channel 11 is a Calling Channel.
• Channels 22 and 23 are for telemetry and telecommand applications
and TX is inhibited on these channels.
General communication is accepted on all other channels with
these guidelines:
• Channel 40 - road channel (Australia).
• Channels 01-08 (and 31-38) are repeater channels.
Simplex Mode
CH No. Transmit / Receive
Duplex Mode
Transmit
Frequency (MHz) Frequency (MHz)
Simplex Mode
CH No. Transmit/Receive
Frequency (Mhz)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
476.425
476.450
476.475
476.500
476.525
476.550
476.575
476.600
476.625
476.650
476.675
476.700
476.725
476.750
476.775
476.800
476.825
476.850
476.875
476.900
477.175 CH31
477.200 CH32
477.225 CH33
477.250 CH34
477.275 CH35
477.300 CH36
477.325 CH37
477.350 CH38
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
476.925
476.950 (RX only)
476.975 (RX only)
477.000
477.025
477.050
477.075
477.100
477.125
477.150
477.175
477.200
477.225
477.250
477.275
477.300
477.325
477.350
477.375
477.400
12
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UNIDEN Model uh089sx UHF CB Radio
CTCSS & DCS Code List
(o0)
(o1)
(o2)
(o3)
(o4)
13
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UNIDEN Model uh089sx UHF CB Radio
MEMO
14
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UNIDEN Model uh089sx UHF CB Radio
WARRANTY
UNIDEN UH089SX UHF CB TRANSCEIVER RADIO
Two Year Limited Warranty
Note: Please keep your sales docket as it provides evidence of warranty.
Warrantor: Uniden Australia Pty Limited ABN 58 001 865 498
Uniden New Zealand Limited
Warranty only available in original country of purchase
Elements of Warranty: Uniden warrants to the original retail owner for the duration of
this warranty, its uh089sx UHF CB Radio (hereinafter referred to as the Product) to be
free from defects in materials and craftsmanship with only the limitations or exclusions
set out below.
Warranty Duration: This warranty to the original retail owner only, shall terminate and
be of no further effect TWO (2) years after the date of original retail sale. This warranty
will be deemed invalid if the Product is;
(A) Damaged or not maintained as reasonable and necessary,
(B) Modified, altered or used as part of any conversion kits, subassemblies, or any
configurations not sold by Uniden,
(C) Improperly installed,
(D) Repaired by someone other than an authorized Uniden Repair Agent for a defect
or malfunction covered by this warranty,
(E) Used in conjunction with any equipment or parts or as part of a system not
manufactured by Uniden, or
(F) Where the Serial Number label of the product has been removed or damaged
beyond recognition.
Warranty only valid in the country of original retail/sale.
Parts Covered: This warranty covers for TWO (2) years, the Product and included
accessories.
Statement of Remedy: In the event that the Product does not conform to this
warranty at any time while this warranty is in effect, the warrantor at its discretion, will
repair the defect or replace the Product and return it to you without charge for parts or
service. This warranty does not provide for reimbursement or payment of incidental or
consequential damages.
This EXPRESS WARRANTY is in addition to and does not in any way affect your
rights under the TRADE PRACTICES ACT 1974 (Cth) (Australia) or the CONSUMER
GUARANTEES ACT (New Zealand).
Procedure for obtaining performance or warranty: In the event that the Product
does not conform to this warranty, the Product should be shipped or delivered, freight
UNIDEN AUSTRALIA PTY LTD
Service Division
345 Princes Highway,
Rockdale, NSW 2216
Fax (02) 9599 3278
UNIDEN NEW ZEALAND LTD
Service Division
150 Harris Road, East Tamaki,
Auckland
Fax (09) 274 4253
prepaid, with evidence of original purchase, (eg. a copy of the sales docket), to the
warrantor at:
© 2007 Uniden Australia Pty Limited/Uniden New Zealand Limited
Printed in China UTZZ01930ZA(0)
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