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.
Do not plug in any AC Adapter plug into the EXT. SPKR/MIC
(SM-065) phone jack.
The uh049sx UHF CB radio is compact, rugged and fits easily in your hand. This
hand held UHF radio will give you consistent, outstanding performance in virtually
all conditions and situations. To ensure that you get the most from the uh049sx’s
features, please read this operating guide carefully before using the unit.
• 38 Built in CTCSS (Continuous Tone Coded Squelch System) codes and 104 DCS (Digital
Coded Squelch System) codes are selectable
• Volume and Power On/OFF Control Knob
• External Speaker / Microphone capability
* See UHF-CB Channels & Frequencies, page 24 for available channels.
** Range varies depending on the environment. 8km + range is noted in a flat open
environment.
A. Transmit
B. Room Monitor
C. Busy
D. Voice Activation
E. Key Lock
F. Battery Level Indicator
G. DCS/CTCSS Indicator
H. DCS/CTCSS code
I. Channel Number
J. Memory
K. Priority
L. Squelch
M. Dual Watch
N. Group Scan
O. Busy Channel Lockout
P. Scan
Q. Power Level Indicator
(High/Low)
Your uh049sx pack includes 3 AA rechargeable NiMH batteries to power the unit.
You must install and then charge the batteries for 15 hrs before use. The uh049sx
can also use 3 AA Alkaline batteries.
Do not mix old and new batteries to avoid damage to the unit.
To install the batteries:
1. Make sure your radio is OFF.
2. Remove the battery
compartment door by
pressing the tab at the bottom
of the compartment door.
3. Install the batteries to the
battery compartment.
2. Place the battery installed unit with keys facing forward onto the charging
cradle to charge the batteries. The charge LED lights to indicate charge contact.
Warning Notice!
Use only the supplied
AAD-065S(M) power adaptor if
rechargeable batteries will be
used in the uh049sx.
Battery charging times vary. A longer time is required to charge higher capacity
batteries.
The icon in the upper right hand corner of the screen indicates the
uh049sx current battery voltage level at all times. The battery level is displayed in
4 levels:
LEVEL 1
Battery 100% full
LEVEL 2
Battery approx
30% capacity
LEVEL 3
Battery approx
15% capacity
LEVEL 4
Almost Empty
When
heard and the channel number will flash.
SW is pressed at Level 3, the PTT Error Tone will be
The LCD on your radio shows a battery meter
in the upper right hand corner.
icon indicates a fully powered unit.
As the batteries lose power,
The LCD display will turn off after 30sec. An
error tone will sound if any key is pressed.
Recharge the NiMH batteries or replace the Alkaline batteries
immediately to continue using the radio.
To turn the unit
ON, rotate the [ON/OFF VOLUME] knob clockwise until
a “click” is heard. A channel
number and battery level should
appear on the display.
To turn the unit OFF, rotate the
[ON/OFF VOLUME] knob
counter-clockwise until a “click”
is heard to save the battery life.
The display will disappear.
VOLUME
Rotate the [ON/OFF VOLUME] knob
clockwise to increase the volume,
counter-clockwise to decrease the volume.
SETTING THE SQUELCH
The squelch is used to eliminate any annoying background noise when there are
no signals present.
1. Press
The current setting will flash.
2. Press
MENU
once.
ENT
or to select desired squelch setting.
SQL-1 : Max sensitivity (Threshold)
SQL-2 : Med sensitivity
SQL-3 : Min sensitivity (Tight)
The uh049sx uses the 40 UHF-CB Channels.
For your reference a list of the available channels and corresponding frequencies is printed
on page 24. (Channels 22 and 23 are for
telemetry and telecommand applications.
Transmit is inhibited on these channels).
1. The maximum RF transmit power of uh049sx is 1 Watt.
2. Before you transmit, listen for activity on the selected
channel.
3. When the channel is clear, press and hold the to transmit. TX appears on the LCD.
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.
or the channel
button
4. When you have finished speaking, release the and listen for a response
then TX disappears on the LCD. BUSY appears while receiving a signal.
The Duplex function enables you to access local repeater stations.
You can only activate Duplex on 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.
Eg. CH01 is being used in your area for repeater use.
1. Press
dP will flash.
2. Press or to change the
selection.
r appears when duplex is selected.
MENU
ENT
twice.
3. Press and hold
MENU
to save and exit.
ENT
Contact your retailer for a list of repeaters available in your area.
The uh049sx has three transmit power levels: 1 Watt, 0.5 Watt and 0.1 Watt. To
change your transmit power level:
1. Press
’power high level.’
2. Press
’power low level.’
3. Press
’power middle level.’
TX Power Low TX Power Middle TX Power High
Transmitting on a higher level will use more Battery power but
will enable you to transmit further.
SCANNING
The uh049sx has two types of scanning; Open Scanning (OS) and Group Scanning
(GS), OS Scan searches all the channels and frequencies in its memory continuously. GS Scan has the ability of monitoring a priority channel every 1.5 seconds
while searching channels and frequencies in
its memory.
Scanning allows you to search for active
channels programmed in the OS or GS
memory.
OPEN SCAN (OS) Mode (the absence of GS icon indicates that the unit is
on OS mode)
Allows continuous scanning of channels stored in the Open Scan (OS) memory.
If an active channel is found, scanning will stop on that channel.
The factory has preprogrammed all the 40 UHF channels into
the Open Scan channel memory. However, you can change or
customise the channels by following the steps on programming
Scan Channels on page 17.
Example. CH40 becomes active
If the received signal cease, the unit will wait
for at least 3 seconds for the signal to return,
otherwise scanning resumes.
To skip the active channel, press
To deactivate SCAN, press the
or . Scanning resumes.
, or .
DUAL
1. If SCAN is deactivated while in an active channel,
the uh049sx will stay on that active channel. If no other channels are active, the uh049sx will reinstate the starting channel.
2. If OS Scanning is initiated when there are no channels programmed in OS memory, an error tone will be heard and scanning will not start.
1. When
Group Scan Mode, SCN will blink
and Group Scan Scanning begins.
MENU
four times.
ENT
MENU
to save
ENT
is pressed during
DUAL
2. To deactivate GS scanning, press
, or .
DUAL
1. If SCAN is deactivated while it is tuned to an active channel, the uh049sx will stay on that active
channel. If none of the channels re- active, the uh049sx will reinstate the Scan start channel.
2. If GS Scanning is initiated when there are no channels programmed in GS memory, an error tone will be heard and scanning will not start.
The feature allows user to monitor one of the 40 channels, monitoring it every 1.5
secs during Group Scanning. The Priority Channel can also be monitored with Dual
Watch, see page 18.
Choosing a Priority Channel
1. Press
setting flashes.
MENU
three times. PRI
ENT
2. Press or to select the
desired channel number or the
OFF setting.
3. Press and hold
save and exit.
MENU
to
ENT
Programming Scan Channels
1. Select which Scanning Mode you wish to use on the channel OS or GS Mode.
OS is indicated by the absence of the GS icon.
2. Select the channel you want to store by pressing or .
While scanning, the uh049sx stops at a busy channel and receives a signal. When
the received signal is over, the unit will wait for 3 seconds for the return of the
signal, otherwise, the radio resumes scanning.
DUAL WATCH
When Dual Watch function is active, PRI CH is watched every 1.5 seconds.
Press and hold
display when activated.
MONITOR
This feature enables users to
listen in for weak signals on the
current channel at the press of a button.
To use monitor,
• For continuous listening.
Press
A single tone beep will be heard and the receiver circuit
will stay open, letting in both the noise & weak signals.
• Display shows BUSY icon.
• To return to normal receive mode press
to activate or deactivate Dual Watch. DUAL appears on the
CTCSS is a feature that allows a group to
talk to each other without hearing other
users on the same channel.
1. Select desired channel.
MEM
DCS/CTCSS
2. Press and hold
. The current DCS/CTCSS setting
flashes.
3. Press
or to select
desired CTCSS code.
MEM
4. Press
DCS/CTCSS
to save and exit.
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 1-104.
Follow the steps for changing CTCSS code
but select DCS code as desired.
Channels 05 and 35 are used for emergency channels. CTCSS and
DCS will not operate on these two channels.
VOX is the automatic transmitting function by inputting voice into the VOX headset
mic without pressing the PTT key.
While headset microphone is not connected, VOX function is inactive even if vox
level setting is from 1 to 4.
VOX icon blinks while VOX function is active.
1. Press
The current vox setting
flashes.
2. Press
desired setting.
The 5 VOX levels are from 1 (High sensitivity) to 4 (Low sensitivity) and Off.
3. Press and hold
and exit.
ROOM MONITOR
The Room Monitor function sets the uh049sx to operate as a transmitter only
- receive (speaker) is disabled.
The TX is activated by voice activation (VOX) without pressing . TX will activate
when the detected voice/noise volume exceeds the setting threshold. If the
voice/noise keeps TX open for over 4seconds then TX will continue automatically
for an additional 15 seconds until the voice/noise volume falls below the setting
threshold.
Room Monitor can be temporarily disabled by pressing or .
If no further operation is performed for 45 seconds then the temporary disable mode
ends and Room Monitor mode re-activates.
1. Press
2. Press
The 5 Room Monitor levels are from 1 (High sensitivity) to 4 (Low sensitivity)
and Off.
3. Press and hold
• If using this feature as Baby Monitor please note it is not a
replacement for regularly checking the safety and security of
children.
• The operating time is limited to the remaining charge of the
battery and is not suitable for continuous overnight use.
• If there is any input at EXT SP MIC JACK, Room Monitor
automatically turns off.
CALL TONE
Your uh049sx radio is equipped with 5 selectable call tones that will be transmitted
when is pressed momentarily.
1. Press
2. Press or to select desired setting.
The 5 call tones are C1, C2, C3, C4 and C5.
3. Press and hold
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.
MENU
six times.
ENT
or to select desired setting.
MENU
to save and exit.
ENT
MENU
seven times. The current call tone setting flashes.
BCL is used when CTCSS or DCS is selected to prevent transmission when the
uh049sx detects a transmission from another unit using the same CTCSS or DCS
code.
1. Press
2. Press or to select desired setting.
3. Press and hold
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. Press
2. Press or to select desired setting.
3. Press and hold
KEY BEEP
Assures the user that the keypad has been properly pressed by emitting a beep
tone. This tone can be switched on or off.
1. Press
2. Press
3. Press and hold
MENU
eight times. The current BCL setting flashes.
ENT
MENU
to save and exit.
ENT
MENU
nine times. The current Roger Beep setting flashes.
Battery Save feature extends the battery life by switching the receiver circuit power
ON and OFF. This feature automatically activates during stand by mode (RX mode
without signal). It turns OFF automatically when a signal is present, and activates
again after channel inactivity. Battery Save can be switched on or off.
1. Press
2. Press
3. Press and hold
KEYPAD LOCK
To prevent accidental entries, you can lock
the keypad. Press and hold the
for 1.5 Secs until it beeps to activate Key
Lock. The icon appears.
To unlock the keypad, press and hold
button again for 1.5 Secs. The icon
disappears.
When the Key Lock is active, an error tone will be heard if you
attempt to press the keys.
MENU
eleven times. bS setting flashes.
ENT
or to change selection.
MENU
to save and exit.
ENT
button
BACK LIGHTING
The Liquid Crystal Display (LCD) is backlit for easy viewing at night or in low light
situations. The back lighting automatically switches ON every time a key (except
PTT) is pressed. It turns OFF 5 secs after the last key is pressed.
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.
CH No. Transmit / Receive Transmit CH No. Transmit/Receive
Frequency (MHz) Frequency (MHz) Frequency (MHz)
UNIDEN uh049sx and uh049sx-2 UHF CB Radio
Limited One Year Warranty
Please keep your sales docket as it provides evidence of warranty.
Warrantor:Uniden Australia Pty Limited ABN 58 001 865 498Uniden 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
uh049sx and uh049sx-2 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
ONE (1) year 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 one (1) year, 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 prepaid, with evidence of original purchase, (eg. a
copy of the sales docket), to the warrantor at:
UNIDEN AUSTRALIA PTY LTD UNIDEN NEW ZEALAND LTD
Service Division Service Division
345 Princes Highway, 150 Harris Road, East Tamaki,
Rockdale, NSW 2216 Auckland
Fax (02) 9599 3278 Fax (09) 274 4253
www.uniden.com.au www.uniden.co.nz