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unld~ff SUNDOWNER UH.{)56
Handheld UHF CB Radio
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OPERATING GUIDE
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UNIDENAUSTRAliAPTY.lIMITED
345Princess Highway, Rockdale, NSW2216
Ph(O2)599-31 00FAX(02)599-3278
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Please read this Operating Guidecarefully before operating this radio Safety Information DO NOToperate the transmitter of any radio equip- ment withthe antenna touching, or close to the eyes, face, or exposed body parts. DO NOT let children operate any transmitter-equipped radio equipment. Have your radio equipment serviced by a qualified technician. Nickel-CadmiumBatteryWarning This equipment contains a Nickel-Cadmiumbattery. The Nickel-Cadmiumbattery contained in this equip- ment may explode i
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Table of Contents Introduction .. 2 Description .. 2 2 Warning """""'" """""" ........... 2 LicensingRequirements """"""""""""'" 3 Feature HighIights ....................................................... 4 Unpacking . 4 OptionalAccessories............................................... Controls and Indicators .............................................. 5 5 Top Indicatorsand Display...................................... FrontControls..........................................................
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Introduction Welcome to the world of CB Radio Communication. You have chosen the most reliable, highly engineered, ultra- precise piece of communication equipment. Description Your UNIDEN Sundowner UH-056 represents the most advanced portable radio ever designed for use in the UHF Citizens Band Radio Service. This UH-056 UHF CB radio has been built to give you a rugged, reliable equipment that will provide you with years of trouble free service. You are encouraged to thoroughly read the rest of
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Feature Highlights . Full 40 Channel UHF CB Coverage Operates on any of the 40 Channels designated as Citizens Band Channels by the Spectrum Manage- ment Agency. . Simplex/Duplex Communication Allows the Uniden Sundowner UH-056 to operate via a repeater station. . Two Level Switchable Transmitter Output Power Lets you transmit at 1 Watt or 5 Watts for short- range or long-range communication. . Auto-Squelch System Eliminates unwanted noise when activated. . Liquid Crystal Display (LCD)with Backl
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UNPACKING Carefully check the package contents against the list: . Uniden Sundowner UH-O56 UHF CB Radio . Flexible Antenna . AC Adaptor/Charger . Standard Nickel-Cadmium Battery Pack . Belt Clip . Wrist strap . This Operating Guide If any of the items are missing or damaged, contact your place of purchase immediately. OPTIONAL ACCESSORIES . Speaker-Microphone A two-in-one combination for convenient transmit- ting and receiving. . Spare Battery Pack A replacement pack for your rechargeable batter
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Controls and Indicators ANTENNA TXlBUSY Connector LCD Display Indicator LED LOCKOUT DUPLEX! Switch SIMPLEX Switch CHANNEL DOWN Switch Top Indicators and Display Antenna Connector - connect the antenna to this TNCport Lock-out Switch - locks out a selected channel fromchannel scan. Duplex Switch - allowsSimplexor DuplexOperation on Channels 1 through 8 Channel UP/DOWNSwitches -use to select a channel On/OffVolume Control -Rotate clockwiseto turn the radio ON and increase the volume. Rotate counte
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:lY ...iquidCrystal Display (LCD)has several ;ators that show the current operating mode. The digits at the right show the current selected nnel. The smaller,two/three-Ietterdisplays show ch features are enabled. ~:88 DUP Duplex Channel Operation Selected LO Low Power TX Selected SCN Scan feature enabled Page 6
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Speaker Jack .. Antenna Built-in Speaker Built-in Mic Battery Pack Release Button Front Controls Built-in Speaker - AudioOutput Built-in Microphone - Speak intothe microphonewhen transmitting. Speaker Jack - Connect optional external speaker here. Microphone Jack - Connect optional external microphone here. UH-O56 Page 7
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MONITOR Switch PTT (Push-to- Talk) Switch TX POWER HI/LO Switch Battery Pack Release Button Side Controls and Connectors Battery Pack Release Button -To remove the Battery Pack, push up on the release button and slide the Battery Pack away from the radio. Monitor Switch - Press to set the Auto-squelch feature ON or OFF. Push-to-Talk (PTT)Switch - Press and holdto talk. Release to listen for a reply. TX Power HI/LOW Switch - Press to set the Transmit output power to HIGH (5W) or LOW (1W). AC Adap
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GETTING STARTED Antenna To attach the antenna to the TNC connector on top of your radio, press down and rotate the antenna base clockwise until it seats firmly into place. Battery Information The Sundowner UH-O56 comes with a standard recharge- able Ni-Cd Battery'Pack. An optional heavy duty recharge- able Ni-Cd Battery Pack is also available. Installation THE RECHARGEABLE NICKEL-CADMIUM BATTERY PACK MUST BE CHARGED FULLY BEFORE USING IT FOR THE FIRST TIME. When installing or removing the rechar
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Recharging the Nickel-Cadmium Battery Pack Note: Before charging, be sure that the power (ON/OFF Volume control) is turned OFF. Recharge the Ni-Cd Battery ONL Y when the unit indicates a LOW BA TTERY condition. (TX LED blinks during TRANSMIT) Insert the discharged Battery Pack in the rapid charger, or connect the trickle charger to the side of the unit. Using the trickle charger, the standard pack charges fully in 8 hours, and the heavy duty pack in 12 hours. If you have a rapid charger, the sta
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OPERATION RECEIVE 1. Turn the radio ON. Rotate the ON/OFF Volume control clockwise until you hear the cliyk. A channel number should appear in the LCD Display. UP DOWN 2. Pressthe 0 or 0 switch to select the desired channel. 3. Press the monitor switch (Auto-squelch turns OFF). 4. Rotate the ON/OFF Volume control to adjust the speaker volume to a comfortable level. 5. Press the Monitor switch (Auto-squelch turns ON). Auto-Squelch Automatically eliminates the unwanted "rushing" noise when the uni
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To disable scanning: DOWN - when on an active channel, press the 0 Key and the unit stays on the active channel. UP DOWN - while scanning, press the 0 or 0 Key. The unit returns to the channel where scan function is acti- vated. - press the PIT switch. When the unit is on an active channel, it transmits on the same channel. When scanning, the unit transmits on the channel where scan function is activated. SCN indicator disappears from the LCD Display. Drop Out Delay While scanning, the radio sto
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TRANSMIT 1. The maximum transmit power output level of UH-O56is 5 watts. To switch to Iow power, press the HI/LO switch. LO appears on the LCD and the transmit power output level is changed to 1 watt. To switch back to High power, press the HI/LO switch again. The TX power returns to high and the LO indicator disappears from the LCD. 2. Before you transmit, listen for activity on the selected channel. 3. When the channel is clear, press the PTT switch to transmit. The TX LED comes on when you tr
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Low Battery Level Detection Uniden Sundowner UH-O56 has a built-in battery level detector circuit. It evaluates your Battery Pack everytime you transmit to determine whether the power inside the Battery is still sufficient enough to support normal Receive and Transmit communications. The circuit will inform you in two ways. 1. When the PIT switch is pressed and the TX LED blink~ It means the battery level is already Iow and needs recharging. You can still transmit, however, you must finish the c
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SERVICE Should you find it desirable or necessary to have service performed on your Uniden Sundowner UH-O56, you are urged to contact the Uniden Dealer from whom you made your purchase. Your Uniden Dealer will be able to assist you with 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 your dealer, you may
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Care and Maintenance Your Uniden Sundowner UH-O56 is a precision piece of electronic equipment and you should treat it accordingly. Due to the rugged design, very little maintenance is re- quired. However, a few precautions should be observed: . If your radio has been accidentally subjected to spray or splash, you should immediately wipe it down with a soft cloth dampened with fresh water. . If the antenna has been damaged, you should not transmit except in case of emergency. A defective antenna
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UHF CB CHANNEL INFORMATION SIMPLEX Operating Mode Receive Channel Transmit Frequency(MHz) Assignment Freq!Jency(MHz) 476.425 1 476.425 476.450 476.450 2 3 476.475 476.475 4 476.500 476.500 476.525 5 476.525 476.550 476.550 6 476.575 7 476.575 476.600 8 476.600 476.625 9 476.625 10 476.650 476.650 11 476.675 476.675 476.700 12 476.700 476.725 476.725 13 476.750 476.750 14 476.775 476.775 15 16 476.800 476.800 476.825 17 476.825 18 476.850 476.850 476.875 19 476.875 476.900 476.900 20 476.925 21 4
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SIMPLEX Operating Mode (Cont...) Channel Transmit Receive Assignment Frequency(MHz) Frequency(MHz) 34 477.250 477.250 35 477.275' 477 275 36 477.300 477.300 37 477.325 477.325 38 477.350 477.350 39 477.375 477.375 40 477.400 477.400 DUPLEX Operating Mode Channel Transmit Receive Assignment Frequency(MHz) Frequency(MHz) 1 477.175 476.425 2 477.200 476.450 3 477.225 476.475 477.250 476.500 4 5 477.275 476.525 6 477.300 476.550 7 477.325 476.575 8 477.350 476.600 . UH-O56 Page18
