Summary of the content on the page No. 1
UH-042XR
Operating
Guide
Summary of the content on the page No. 2
WARNING! ➤ Do not operate the transmitter of any radio equipment unless all the Radio Frequency (RF) connectors are secured and any open connectors are properly terminated. ➤ Do not operate the transmitter of any radio equipment near electrical blasting caps or in an explosive atmosphere. ➤ Do not let 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 equ
Summary of the content on the page No. 3
CONTENTS Introduction Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Technical Support & Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Included in your UH-042XR Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Getting Started Battery Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Low Battery Alert. . . . . . . . . . . . . . . . . . . . . .
Summary of the content on the page No. 4
INTRODUCTION The UH-042XR is a portable two-way UHF-CB radio. It 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 UH-042XR’s features, please read this operating guide 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 Co
Summary of the content on the page No. 5
TECHNICAL SUPPORT AND SERVICE Should you find it desirable or necessary to service your UH-042XR, we suggest you contact the Uniden dealer where you purchased your radio. Your dealer will be able to assist you with the complete service information. If you require service that is within the terms of your warranty, you should present a copy of your receipt to your dealer to authenticate your claim. If you find it inconvenient to obtain service assistance from a dealer, please pack your radio in su
Summary of the content on the page No. 6
INCLUDED IN YOUR UH-042XR PACKAGE UH-042XR Wrist Strap Belt Clip Operating Guide Product Registration Card and other printed materials Note: If any of these items are missing from the box, contact your Uniden Dealer. 3
Summary of the content on the page No. 7
GETTING STARTED BATTERY INSTALLATION Your UH042XR radio uses 3 AA ALKALINE batteries for power. Please refer to page 18 should you wish to use rechargeable batteries. To install the batteries: Do not mix old and new batteries to avoid damage to the unit. 1. Make sure 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. Tab holes 4. Align the battery cover tabs with
Summary of the content on the page No. 8
LOW BATTERY ALERT The LCD on your radio shows a battery meter in the lower right corner. icon indicates a fully powered unit. As the batteries lose power, will flash. When the batteries in the unit are low, the unit will go into a Battery Low/Sleep Mode. The Scan Mode, Transmit, Transmit Call Tone Mode are disabled. Replace the batteries immediately to continue using the radio. BELT CLIP As you will usually use your radio when you are out and about, the unit comes equipped with a belt clip to
Summary of the content on the page No. 9
OPERATION ➤ When you press any key (except PTT), a short tone sounds. ➤ See the Controls and Indicators page at the back of this operating guide for button and key operations. POWER ON/OFF To turn the unit ON, rotate the [ON/OFF VOL] 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 VOL] knob counter-clockwise until a “click” is heard. The display will disappear. VOLUM
Summary of the content on the page No. 10
SELECTING A CHANNEL Press [ ] or [ ] to select the desired channel. Note: If you press and hold the [ ] or [ ], scan dup vox channel numbers will scroll rapidly. mem os/gs bcl ctcss 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
Summary of the content on the page No. 11
TO OPERATE IN DUPLEX MODE scan Eg. CH01 is being used in your area for repeater dup vox mem purpose. os/gs bcl ctcss Press [DUP] momentarily. The DUP icon appears. Press [DUP] again to deactivate the duplex operation. UH-042XR will return to simplex operation. DUP icon disappears. SCANNING The UH-042XR has two types of scanning; Open Scanning (OS) and Group Scanning (GS), giving you flexibility and allowing you to use the radio more effectively. Scanning allows you to search
Summary of the content on the page No. 12
Example: CH40 becomes active If the received signal ceases, the unit will wait for at least 3 seconds for the signal to return, otherwise scanning resumes. To skip the active channel, press [MEM] momentarily. Scanning resumes. To deactivate SCAN, press the [SCAN] or [PTT]. Note: 1. If SCAN is deactivated while in an active channel, the UH-042XR will stay on that active channel. If no other channels are active, the UH-042XR will reinstate the starting channel. 2. Pres
Summary of the content on the page No. 13
PRIORITY CHANNEL The Priority Channel feature allows user to monitor one of 40 channels in the UH-042XR, monitoring it every 1.5secs during Group Scanning. Choosing a Priority Channel The starting channel, when Group Scanning is initiated, is always the Priority Channel. To change the priority channel setting while scanning, (eg. PRI Channel is CH17 (476.825 MHz)) a. press [ ], to select a higher channel (scanning pauses) or b. press [ ], to select a lower channel Programming
Summary of the content on the page No. 14
CONTINUOUS TONE CODED SQUELCH SYSTEM (CTCSS) CTCSS is a feature that allows a group to talk to each other without hearing other users on the same channel. NOTE : Uniden discourages the use of CTCSS feature until the Australian Communications Authority (ACA) grants the use of CTCSS on CB 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 co
Summary of the content on the page No. 15
9 1 2 3 CTCSS Scan Operation 1. Press [SCAN] to start scanning (GS or OS) mode. 2. During scanning if a signal is sensed on a CTCSS CH, the UH-042XR stops for about 400msecs (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 communicate or hear each other because they are using the same or common CTCSS code. CH1 Code 1 CODE 1 CH1 Code 1 CH1 Code 7 CH
Summary of the content on the page No. 16
BUILT-IN VOICE ACTIVATED CIRCUIT (VOX) VOX feature enables user to transmit automatically by speaking on the microphone of the VOX headset (not supplied) without pressing the PTT switch. NOTE: VOX feature will not work without the Headset Microphone. Built in [PTT] of UH-042XR is temporarily disabled, however accidental pressing of [PTT] will cause the unit to transmit briefly. To activate VOX 1. Turn the UH-042XR OFF. 2. Press and hold [VOX] while turning the radio ON. “VOX” appears on the bo
Summary of the content on the page No. 17
To De-activate VOX 1. Turn OFF UH-042XR. 2. Remove VOX Headset from UH-042XR. 3. Press and hold [VOX] while turning the radio ON. “VOX” icon disappears. 4. UH-042XR returns to PTT operation. Note: Turning ON the radio without removing the VOX headset will cause the unit to transmit continuously. DROP-OUT DELAY While 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, otherwi
Summary of the content on the page No. 18
BUSY CHANNEL LOCK-OUT(BCL) This feature prevents accidental transmission on a busy channel. This is recommended on channels where CTCSS is being used. If the channel is “active” and the signal is coming from a non or different CTCSS code user the BCL feature will prevent you from transmitting. To activate BCL Press and hold [BCL] for 1.5 secs until “BCL” scan appears on display. dup vox mem os/gs To De-activate BCL bcl ctcss Press and hold [BCL] for 1.5
Summary of the content on the page No. 19
BACK LIGHT 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 5secs after the last key is pressed. KEYPAD LOCK To prevent accidental entries, you can lock the keypad. Press and hold the [LOCK] button for 1.5 secs. until it beeps to activate Key Lock. icon appears. To unlock the keypad, press and hold the [LOCK] button again for 1.5 sec
Summary of the content on the page No. 20
BATTERY LEVEL DISPLAY The icon in the bottom right hand corner of the screen indicates the UH- 042XR current battery voltage level at all times. The battery level is displayed in 3 levels: LEVEL 3 Battery 100% full LEVEL 2 Battery approx 70% capacity LEVEL 1 Battery approx 30% capacity Almost Empty Note: When [PTT] SW is pressed at Level Empty, battery icon and channel number will flash 17
