Setting the Squelch Monitor Selecting a Channel Set the LCD Dimmer Transmitting Call Function Using Repeater Channels Operating the UH5040 in Duplex Mode Scanning Open Scan (OS) Mode Group Scan (GS) Mode Programming Scan Channels Selecting the Call tone Roger Beep...
Introduction The Uniden UH5040 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.
Blackening may occur on the Liquid Crystal Display if the UHF CB Radio 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 NOTE standard operating condition (0-55°C). UNIDEN UH5040 UHF CB Transceiver...
Channel GS - Group Scan DCS - Digital Coded Squelch CALL - Call Tone System SCAN - Scan Mode CTCSS - Continuous Tone DUP - Duplex Coded Squelch System S/RF - Receive Signal or Transmit RF Power Level Meter UNIDEN UH5040 UHF CB Transceiver...
Included with your UH5040 Transceiver Standard Microphone Owner’s Manual Mounting Bracket, ANT. Mounting Screws, Washer Stars And Screws Microphone Hanger & DC Power Cord Screws Washers and with fuse spare fuse Optional Accessories DIN Mounting Kit External Speaker (DMK8990) (MS100) UNIDEN UH5040 UHF CB Transceiver...
Setting the Squelch Turn the outer ring of the control to adjust the Squelch. UH5040 You must select a channel which is not in use before setting the SQUELCH control. (see below for “Selecting a Channel”). NOTE UNIDEN UH5040 UHF CB Transceiver...
Page 9
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. UNIDEN UH5040 UHF CB Transceiver...
20. For Australia, Channels 05 and 35 are NOTE reserved for Emergency Calls. Set the LCD Dimmer Press [DIM] to set the LCD backlight dimmer between high and low. UH5040 UNIDEN UH5040 UHF CB Transceiver...
Operation Transmitting CALL The UH5040 uses the 80 UHF-CB Channels For your reference a list of the available channels, corresponding frequencies and guidelines for their use and selection is printed on page 20. For Australia, Channels 05 and 35 are reserved for Emergency Calls.
Page 12
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-converts your signal and retransmits on CH01. UNIDEN UH5040 UHF CB Transceiver...
Check with your local Retailer for information on available repeaters. NOTE Scanning The UH5040 has a scanning feature that allows you to search for active channels automatically. Furthermore, the UH5040 is designed to have two types of scanning; Open Scanning (OS) and Group Scanning (GS), to give you fl exibility and allow you to use the radio more effectively.
To deactivate SCAN, press [SCAN] or the PTT button on the microphone. If SCAN is deactivated while on an active channel, the UH5040 will stay on that active channel. If no channels are active, the UH5040 will reinstate the starting channel. NOTE OS Mode is indicated by the absence of the GS icon.
UH5040 If SCAN is deactivated while it is tuned to an active channel, the UH5040 will stay on that active channel. If none of the channels are active, the UH5040 will reinstate NOTE 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...
1, 2, 3, 4 and 5. Press and hold [MENU] for 3 seconds to store the new setting. UH5040 If a button is not pressed within 10 seconds the UH5040 will automatically exit the Menu Mode. NOTE UNIDEN UH5040...
Menu Mode. NOTE Busy Channel Lockout If the channel is already in use, you can prevent the UH5040 from transmitting . This is particularly important when using CTCSS. Press [MENU] 3 times. Turn the Rotary Channel Selector to display Press and hold [MENU] for 3 seconds to store the new setting.
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. UH5040 UNIDEN UH5040 UHF CB Transceiver...
Selector until the DCS codes appear. Press [MON] 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. NOTE UNIDEN UH5040 UHF CB Transceiver...
Page 20
The above situations are not a fault of the radio but a symptom of mixed wideband and narrowband radios in current use. It is expected that as older wideband radios are phased out this issue will be eliminated. UNIDEN UH5040 UHF CB Transceiver...
IMPORTANT: Satisfactory evidence of the original purchase is required for warranty service Please refer to our Uniden website for any details or warranty durations offered in addition to those contained below. Warrantor: The warrantor is Uniden Australia Pty Limited ABN 58 001 865 498 (“Uniden Aust”).
Page 27
Product, together with satisfactory evidence of your original purchase (such as a legible copy of the sales docket) to Uniden. Please refer to the Uniden website for address details. You should contact Uniden regarding any compensation that may be payable for your expenses incurred in making a warranty claim.