unld~ff SUNDOWNERUH.{)56 Handheld UHF CB Radio r""o --.D unlden SIIJcIoMIerQ D OPERATING GUIDE unldE!ne UNIDENAUSTRAliAPTY.
Please read this Operating Guide carefully before operating this radio Safety Information DO NOToperate the transmitter of any radio equipment 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.
Table of Contents .. 2 2 2 Warning"""""'" """""" ........... 2 LicensingRequirements """"""""""""'" 3 Feature HighIights ....................................................... 4 Unpacking . OptionalAccessories............................................... 4 Controls and Indicators .............................................. 5 5 Top Indicatorsand Display...................................... FrontControls..........................................................
Introduction Welcome to the world of CB Radio Communication. You have chosen the most reliable, highly engineered, ultraprecise 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.
Feature Highlights . . . Full 40 Channel UHF CB Coverage Operates on any of the 40 Channels designated as Citizens Band Channels by the Spectrum Management Agency. Simplex/Duplex Communication Allows the Uniden Sundowner via a repeater station. UH-056 to operate 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.
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 transmitting and receiving.
Controls and Indicators ANTENNA Connector LOCKOUT Switch LCD Display TXlBUSY Indicator LED DUPLEX! 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 from channel scan. Duplex Switch - allows Simplexor 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.
: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-Ietter displays show ch features are enabled.
.. Antenna Speaker Jack Built-in Speaker Built-in Mic Battery Pack Release Button Front Controls Built-in Speaker - AudioOutput Built-in Microphone - Speak intothe microphone when transmitting. Speaker Jack - Connect optional external speaker here. Microphone Jack - Connect optional external microphone here.
MONITOR Switch PTT (Push-to- Switch Talk) 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 or OFF. - Press to set the Auto-squelch feature ON 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).
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 rechargeable Ni-Cd Battery'Pack. An optional heavy duty rechargeable 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.
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.
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 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). 2.
To disable scanning: DOWN - when on an active channel, press the the unit stays on the activeUP channel. DOWN 0 Key and - while scanning, press the 0 or 0 Key. The unit returns to the channel where scan function is activated. - 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.
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 transmit.
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.
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.
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 required. 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.
UHF CB CHANNEL INFORMATION SIMPLEX Operating Mode Channel Transmit Receive Assignment 1 Freq!Jency(MHz) 476.425 Frequency(MHz) 476.425 2 476.450 476.450 3 476.475 476.475 4 476.500 476.500 5 476.525 476.525 6 476.550 476.550 7 476.575 476.575 8 476.600 476.600 9 476.625 476.625 10 476.650 476.650 11 476.675 476.675 12 476.700 476.700 13 476.725 476.725 14 476.750 476.750 15 476.775 476.775 16 476.800 476.800 17 476.825 476.825 18 476.850 476.
SIMPLEX Operating Mode (Cont...) Channel Transmit Receive Assignment 34 Frequency(MHz) 477.250 Frequency(MHz) 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 1 Frequency(MHz) 477.175 Frequency(MHz) 476.425 2 477.200 476.450 3 477.225 476.475 4 477.250 476.500 5 477.275 476.525 6 477.300 476.550 7 477.325 476.575 8 477.350 476.
SPECIFICATIONS GENERAL Channels Frequency Range Communication Mode CH 1 to CH8 CH9 to CH40 Frequency Control Controls : 40 : 476.425MHz to 477.
Transmitter Power Output HI : 4W (nominal), 5W (max.) LOW : 1W (nominal) Modulation : F3E, :f:5kHz Deviation Frequency Tolerance at 25°C : :f:300Hz (nominal) Mic. Sensitivity at :f:3kHz Dev. : 4.5mV (nominal) Hum and Noise (300Hz, 3kHz BPF) (7501lS DeEmp) : 40dB Modulation Frequency Response at 1kHz:f:1kHz Dev. 500Hz 2000Hz Current Drain at HIGH Power . : -6dB :+6dB : 1800mA Receiver Sensitivity at 12dB SINAD Squelch Sensitivity : O.351l V (nominal) : O.
WARRANTY Uniden Sundowner UH-O56Handheld UHFCB Radio Australian 1 Year Warranty Note: Please keep your sales docket as it provides evidence of warranty. WARRANTOR: Uniden Australia Pty.
UNIDEN AUSTRALIA PTY. LTO. 345 Princes Highway, Rockdale, NSW 2216 Ph (02) 599 3100 FAX (02) 599 3278 UTZZO1857AZ. PrintedIn the Philippines ..
