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uh073sx
Operating Guide
To bring outstanding wireless communication products
to people's lives throughout the world.
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WARNING! WATERPROOF: JIS7 Uniden's uh073sx radio is designed to meet the water proofing standard of JIS7. This Means: Being defined as having no ingress of water when immersed at 1 metre for 30 minutes. The uh073sx will only meet this rating if fully assembled and all rubber seals and bungs are well maintained and correctly fitted. This means that the speaker microphone bung is inserted, and the battery pack and antenna are attached and securely fastened. LITHIUM ION BATTERY PACK WARNING M
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CONTENTS Introduction Features ..................................................................................................2 Included in your Package ........................................................................3 Optional Accessories ............................. .................................................3 Getting Started Mounting the Drop-in Charger ................................................................4 Attaching the Antenna ...................................
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INTRODUCTION The uh073sx is a JIS7 Waterproof, 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 uh073sx features, please read this operating guide carefully before using the unit. FEATURES ! 40 UHF CB Channels ! 3W Max TX Power ! 1W/3W Switchable TX Power ! Waterproof (meets JIS7 waterproof specifica
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INCLUDED IN YOUR PACKAGE uh073sx AC Adapter Antenna (AAD-075S) Drop-in Charger Lithium Battery Beltclip (DT073) (BP075) Reference Guide/ Printed Material Wrist Strap Mounting Screws If any of these items are missing from the box, contact your Uniden Dealer, immediately. OPTIONAL ACCESSORIES M VOX Headset M External Speaker Mic 3 3 UH073SX
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GETTING STARTED Mounting the Drop-in Charger 1. Mount the drop-in charger to either a table or wall. Table: Attach the drop-in charger using the mounting screws and washers. Wall: Insert the two mounting screws into the wall keeping the same space as the holes on the charger. Place the charger with the screws through the larger holes then turn the charger. 2. Plug one end of the AC adapter into the wall outlet and the other end into the drop-in charger. When you mount the drop-in charger in a mo
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Attaching the Battery Pack Contacts 1. Place the battery pack onto the back of the radio. It will only fit in one way. 2. Snap the battery release clip until it clicks. Be sure the battery pack fits tightly against the uh073sx body. CAUTION! Avoid exposing the Lithium Ion battery, attached or unattached to the radio, in direct sunshine, heated cars, or in areas with temperatures below –20°C (–4°F) or above +60°C (+140°F). Exposing the chemicals contained within the battery pack to temperatures a
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4. To take the beltclip off the radio, turn it and slid it up. Charging the Battery Pack Your radio is powered by a specially designed Lithium Ion battery pack. ! Before operating the uh073sx, charge the Lithium Ion battery pack for 5 hours without interruption in the drop-in charger. 1. Place the uh073sx in the drop-in charger. 2. The red LED illuminates and stays ON, until fully charged. ! The charger won’t overcharge the battery pack. When charging is completed, the charge LED is no longe
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Battery Level Display The BATTERY icon in the top right hand corner of the screen indicates the uh073sx current battery voltage level at all times. The battery level is displayed in 4 levels. LEVEL 4 Battery 100% full LEVEL 3 Battery approx. 40% capacity LEVEL 2 Low Battery LEVEL 1 (flashing) Empty Battery When PTT is pressed at Level Empty, battery icon and channel number will flash, transmission is disabled. Recharge the battery at any time. From empty the battery will take up to 5 hours to fu
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OPERATION 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. A channel number and battery level should appear on the display. UH073SX To turn the unit OFF, rotate the [ON/OFF VOL] knob counter-clockwise. The display will disappear. VOLUME Rotate the [ON/OFF VOL] knob clockwise or counter-clockwise to adjust speaker volume to desired listening level. ADJUSTING THE KEY BE
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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. To turn OFF Roger Beep: Press and hold while turning on the radio. To turn ON Roger Beep: Press and hold while turning on the radio. SELECTING CHANNEL Press or to se
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SQUELCH The squelch is used to eliminate any annoying background noise when there are no signals present. Make sure to first select a channel not in use before setting the squelch in your uh073sx UHF-CB radio. Think of squelch as a gate. Turn [SQ] fully Strong Signals clockwise. This raises the "Squelch Gate" so high Medium Signals that only the very strong signals can get through. Weak Signals Noise Turn [SQ] fully counter clockwise until you hear a hiss. This opens the "Squelch Gate" so that
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TO TRANSMIT AND RECEIVE The uh073sx 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 uh073sx is 3 Watts. To switch to low power, press . LOW 1/3w appears on the LCD. To switch back to higher power, press 1/3w again. LOW indicator disappears from the LCD. 2. Before you transmit, listen for activity on the selected channel. 3. When the channel is clear
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USING A REPEATER CHANNEL 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 (i.e. a Tall Building) that partially blocks your transmitted signal, the possibility of the other radio receiving the signal is very slim. Valleys, metallic structur
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TO OPERATE uh073sx IN DUPLEX MODE Eg. CH01 is being used in your area for repeater use. dup Press momentarily. The DUP icon appears. dup Press again to deactivate the duplex operation. uh073sx will return to simplex operation. Check with your local retailer for available repeaters. SCANNING The uh073sx has two types of scanning; Open Scanning (OS) and Group Scanning (GS). Scanning allows you to search for active channels programmed in the OS or GS memory. To initiate scanni
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If SCAN is deactivated while in an active channel, the uh073sx will stay on that active channel. If no other channels are active, the uh073sx will reinstate the starting channel. Group Scan (GS) Mode Allows you to monitor a Priority Channel while scanning. To use GS Mode Scanning, press the os/gs key. GS icon appears on the . display. GS Scanning checks the Priority channel activity regularly. If GS Scanning is initiated when there are no channels programmed in GS memory, an error t
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Programming Scan Channels 1. Select which Scanning Mode you wish to use 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 . 3. Press and hold mem for 1.5 secs. to store. MEM icon appears and two short tone beeps are heard. 4. To remove the channels from Memory, press and hold mem for 1.5 secs. once more. Two short tone beeps are heard and the MEM icon disappears. PRIORITY CHANNEL The Priority Channel feature allows use
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ADVANCED FEATURES CTCSS (Continuous Tone Coded Squelch System) CTCSS is a feature that allows a group to talk to each other without hearing other users on the same channel. Programming CTCSS Code 1. Select a desired channel to be used with CTCSS. 2. Press and hold for 1.5 secs. CTCSS icon blinks. ctcss 3. Press or to select the desired CTCSS code. 4. Press to save the selected code. CTCSS icon stops blinking. ctcss The uh073sx will return to standby m
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VOX feature will not work without the Vox Headset Microphone. The built in mic of uh073sx is temporarily disabled, however accidental pressing of PTT will cause the unit to transmit briefly. To activate VOX vox 1. Press and hold for 1.5 secs. "VOX" icon blinks. 2. Press either or within 10 secs. to select the desired VOX sensitivity level (9 with the lowest sensitivity to 1 with the highest sensitivity). vox 3. Press to save the selected level. "V
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POWER SAVE Battery Save feature extends the battery life by switching the receiver circuit power ON and OFF. This feature automatically activates during standby mode (RX mode without signal). BACK LIGHTING The Liquid Crystal Display (LCD) and function keys are 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. KEYPAD LOCK To prevent accidental e
