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SELECTING A CHANNEL                     

Press [

] or [

] to select the desired channel. 

Note:

If you press and hold the 

[

or

[

],

channel numbers will scroll rapidly. 

TO TRANSMIT AND RECEIVE

The 

UH-042XR

uses the 40 UHF-CB Channels. For your reference a list of the

available channels and corresponding frequencies is printed at the end of this
manual.

1. The maximum RF transmit power of 

UH-042XR

is 500 mWatts.

2. Before you transmit, listen for                

activity on the selected channel.

3. When the channel is clear, press and

hold the 

[PTT]

to transmit. 

appears on the LCD. 

Hold the radio with microphone approximately two inches in front of your mouth
with the antenna at approximately 45˚ angle away from your head. Speak in a clear,
normal conversational voice. 

4. When you have finished speaking, release the 

[PTT]

and listen for a response.

TX icon then disappears from the LCD.

The display shows 

when a              

transmission is being received by 
your radio. 

mem

vox

dup

scan

PTT

Switch

os/gs

mem

bcl

ctcss

vox

dup

scan

7

Summary of Contents for UH-042XR

Page 1: ...UH 042XR Operating Guide...

Page 2: ...children operate any transmitter equipped radio equipment unless supervised Have your radio equipment serviced by a qualified Uniden technician Do not operate the transmitter of any radio equipment wi...

Page 3: ...en Scan 8 Group Scan 9 Priority Channel 10 Programming Scan Channels 10 Continuous Tone Coded Squelch System CTCSS 11 Built in Voice Activated Circuit VOX 13 Drop Out Delay 14 Power Save 14 Busy Chann...

Page 4: ...de carefully before using the unit FEATURES 40 Channels 500mW Output Power Up to 3 km range LCD Display Group Scan Open Scan Duplex Capability 38 Built in Continuous Tone Coded Squelch System CTCSS Mo...

Page 5: ...ble packaging that will provide adequate protection to your radio Enclose a note describing the problem a copy of your receipt and send it prepaid to AUSTRALIA NEW ZEALAND Uniden Australia Pty Ltd Uni...

Page 6: ...IN YOUR UH 042XR PACKAGE 3 Note If any of these items are missing from the box contact your Uniden Dealer Wrist Strap Belt Clip Operating Guide Product Registration Card and other printed materials U...

Page 7: ...re your radio is off 2 Release the battery cover clip then remove the battery cover 3 Insert 3 AA ALKALINE batteries according to the polarity symbols inside the battery compartment 4 Align the batter...

Page 8: ...ly use your radio when you are out and about the unit comes equipped with a belt clip to securely fasten the unit to your belt pocket or purse To remove the belt clip turn the screw counterclockwise T...

Page 9: ...wise 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 VOL knob counter clockwise until a click is heard The display will di...

Page 10: ...ore you transmit listen for activity on the selected channel 3 When the channel is clear press and hold the PTT to transmit appears on the LCD Hold the radio with microphone approximately two inches i...

Page 11: ...med in the OS or GS memory To initiate scanning 1 Assuming the unit is on CH01 when switched on 2 Press SCAN and scanning starts Scan icon flashes during scanning 1 Open Scan OS Mode the absence of GS...

Page 12: ...to Group Scanning 2 Group Scan GS Mode To use GS Mode Scanning press the OS GS key GS icon appears on the display 1 When SCAN is pressed during Group Scan Mode SCAN icon will flash and Group Scan Sca...

Page 13: ...5 MHz a press to select a higher channel scanning pauses or b press to select a lower channel Programming Scan Channels 1 Select which Scanning Mode you wish to use on the channel OS or GS Mode Note O...

Page 14: ...frequencies Programming CTCSS Code 1 Select a desired channel to be used with CTCSS 2 Press and hold CTCSS for 1 5 secs CTCSS code indicator blinks 3 Press or to select the desired CTCSS code 4 Press...

Page 15: ...cs decode time to decode the CTCSS code If there is no code or the receive code does not match the one programmed on the unit the unit resumes scanning On the example below only radio 1 and 9 can comm...

Page 16: ...hold VOX while turning the radio ON VOX appears on the bottom left of the display 3 To set sensitivity Press and hold VOX VOX icon starts blinking 4 Press either or within 10 secs to select the desire...

Page 17: ...ile scanning the UH 042XR stops at a busy channel and receives a transmission When the received signal is over the unit will wait for 3 seconds for the return of the signal otherwise the radio resumes...

Page 18: ...To De activate BCL Press and hold BCL for 1 5 secs until BCL disappears from the display SENDING CALL TONES The UH 042XR is equipped with two types of tones that user can use to alert other users or...

Page 19: ...appears To unlock the keypad press and hold the LOCK button again for 1 5 secs icon disappears Note When the Key Lock is active a warning beep will be heard if you attempt to press the keys MONITOR Th...

Page 20: ...UH 042XR current battery voltage level at all times The battery level is displayed in 3 levels LEVEL 3 Battery 100 full LEVEL 1 Battery approx 30 capacity LEVEL 2 Battery approx 70 capacity Almost Emp...

Page 21: ...042XR ON OFF VOL knob off and connect the AC adaptor plug to the mic jack Battery charging times vary A longer time is required to charge higher capacity batteries Disconnect the AC adaptor from the u...

Page 22: ...477 050 Simplex 07 476 575 Simplex Duplex 27 477 075 Simplex 08 476 600 Simplex Duplex 28 477 100 Simplex 09 476 625 Repeater 29 477 125 Simplex 10 476 650 Repeater 30 477 150 Simplex 11 476 675 Back...

Page 23: ...ATIONS OPTIONAL ACCESSORIES Code No Freq Hz Code No Freq Hz Code No Freq Hz 00 oF OFF 13 103 5 26 162 2 01 67 0 14 107 2 27 167 9 02 71 9 15 110 9 28 173 8 03 74 4 16 114 8 29 179 9 04 77 0 17 118 8 3...

Page 24: ...y Range 476 425 to 477 4 MHz Frequency Stability 3 ppm Power Output 0 5W Spurious Emissions 40 dBm Current Drain 320mA Receiver Receiver Type Dual Conversion Super Heterodyne Phase Locked Loop System...

Page 25: ...covers for 1 year the UHF CB Transceiver Unit only Accessories Belt CLip and Wrist Strap are covered for 90 days Statement of Remedy In the event that the product does not conform to this warranty at...

Page 26: ...os gs mem bcl ctcss vox dup scan 5 4 13 14 15 6 7 8 9 3 2 1 10 11 12 CONTROLS INDICATORS 23...

Page 27: ...an and CTCSS Button 11 Memory BCL Button 12 Duplex and Key Lock On Off Button 13 PTT Push to talk Button 14 Monitor Switch 15 Belt Clip A Transmit B Channel Numbers C Key Lock D Memory E Battery Level...

Page 28: ...2000 Uniden Australia Pty Limited Uniden New Zealand Limited UTZZ01877ZZ...

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