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uh078sx
Operating Guide
To bring outstanding wireless communication products
to people's lives throughout the world.
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WARNING! WATERPROOF: JIS7 Uniden's uh078sx 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 meter for 30 minutes The uh078sx 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. This is NOT a rating that allows fo
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CONTENTS Introduction Features ..................................................................................................2 Included in your Package ........................................................................3 Getting Started Connect charger with AC adaptor............................................................4 Attaching the Antenna .............................................................................4 Attaching the Battery Pack .................................
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INTRODUCTION The uh078sx 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 uh078sx features, please read this operating guide carefully before using the unit. FEATURES ! 40 UHF CB Channels ! 5W Max TX Power ! 0.5W/1W/5W Switchable TX Power ! 60 Programmable RX Channels ! 38 Bui
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INCLUDED IN YOUR PACKAGE uh078sx AC adaptor Antenna (AAD-008S) Drop-in Charger 2 x Lithium Batteries Beltclip (DT078A) (BP078) Reference Guide/ Printed Material External Speaker Mic Wrist Strap (SM-078) If any of these items are missing from the box, contact your Uniden Dealer, immediately. OPTIONAL ACCESSORIES M VOX Headset (VM-078) M Heavy Duty Speaker Mic 3
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GETTING STARTED Connect Charger with AC adaptor Plug one end of the AC adaptor into the wall outlet a n d the other end into the drop-in charger. Attaching the Antenna Attach the antenna to the uh078sx. Be sure the antenna is firmly seated. 4
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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 uh078sx 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 Packs Your radio is powered by a specially designed Lithium Ion battery pack. ! Before operating the uh078sx, charge the Lithium Ion battery pack for 5 hours without interruption in the drop-in charger. The drop-in charger can charge the Lithium Ion battery pack attached to the uh078sx in the front charging slot and also charge a second Lithium Ion battery pack separately in the rear charging slot. When y
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Battery Level Display The BATTERY icon in the top right hand corner of the screen indicates the uh078sx 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. UH078SX 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. 1. Press six times. and current setting flashes. 2. Press or to change setting ON/OFF. 3. Press and hold to store setting. SELECTING CHANNEL Press
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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 uh078sx 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 uh078sx 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. UHF Channels 22 and 23 are for telemetry and telecommand applications. Transmit is inhibited on these channels. 1. The maximum RF transmit power of uh078sx is 5 watts. Press to change the transmit power between High(5W), Middle(1W) and Low(0.5W). HI appears when on high power. LO appears when on low p
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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 uh078sx IN DUPLEX MODE Eg. CH01 is being used in your area for repeater use. 1. Press dP flashes. 2. Press or to change setting ON/OFF. r appears in place of 0 when duplex is on. 3. Press and hold to store setting. Check with your local retailer for available repeaters. SCANNING The uh078sx 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. T
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If SCAN is deactivated while in an active channel, the uh078sx will stay on that active channel. If no other channels are active, the uh078sx will reinstate the starting channel. Group Scan (GS) Mode Allows you to monitor a Priority Channel while scanning. To use GS Mode Scanning, press and hold the key. GS 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 tone will be hea
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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 . M appears and a short tone beep is heard. 4. To remove the channels from Memory, press o nce more. A short tone beep sounds and M disappears. PRIORITY CHANNEL The Priority Channel feature allows user to monitor one of 40 channels in the uh078sx , monitoring it every 1.5 secs. d
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60 RECEIVE CHANNELS The uh078sx also has 60 receive only channels (CH41 to CH100) which can be programmed with frequencies ranging from 450-512MHz (in 12.5kHz steps). If you know the frequency you may store it manually. MANUAL PROGRAMMING Turn power off. Press and hold while turning power back on. The channel indicator flashes the lowest available empty channel. You may use the or to select another channel. Press . The frequency indicator flashes the
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ADVANCED FEATURES CTCSS (Continuous Tone Coded Squelch System) This feature allows you to receive signals only from callers who have selected the same CTCSS code. Press or to select the channel you want to set a CTCSS code. Press and hold . CTCSS will flash. Press or to select a desired CTCSS code. Press and hold to store setting. When a code other than oF is selected, CTCSS and code will display. DCS (Digitally Coded Squelch) D
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VOX feature will not work without the Vox Headset Microphone. The built in mic of uh078sx is temporarily disabled, however accidental pressing of PTT will cause the unit to transmit briefly. To activate VOX 1. Press two times. VOX and the current VOX setting flashes. 2. Press or to select desired VOX level (oF, 1 to 9). 3. Press and hold to store setting. 4. Install VOX Headset (not supplied) to uh078sx. To De-activate VOX 1. Press two
