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unid~n@ UHF CB TRANSCEIVER
OWNER'S MANUAL
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With Audio Scrambler and
Built-In SELCALL
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Table of Contents Controls I Indicators I Connectors 3 Controls 3 Indicators 4 Connectors 5 Introduction .""..."""'.".'...".".".""""".""'.". 6 Included with your UH-100 "..."""."", 7 Operation 8 Settingthe Squelch""."""". 8 Selecting a Channel 9 Channel Auto Step... 9 Transmitting 10 Using Repeater Channels 10 Scanning 13 Choosing a Priority Channel 15 Drop-Out Delay 15 Programming Scan Channels 16 Channel Seeking Operation 17 Voice Scrambler 18 LCD Backlight Level Control 19 Selective Calling 2
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Service 43 Care and Maintenance 44 Notice """"""""""""""""""""""""""" 44 Preventive Maintenance 44 Troubleshooting 44 Memory Backup """"""""""""""""""""""" 44 UHF CB Channel Information 45 SIMPLEX Operating Mode 45 DUPLEX Operating Mode 46 Specifications 47 General 47 Measurement Conditions """""""""""""'" 48 TransmitterSection """"""""""""""""""'" 48 Receiver Section 48 SELCALL 49 Warranty 50 2
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Controls I Indicators I Connectors Controls , unlden~UH.100 - - m CAL 1.1£1.1 Tso tJtJ"",tJ GS , ,,, DUP' tJ""", 11 tJ""", SRF ... ~~~ ,- , ,-, 88H888M~ .. .. tJ""", tJtJ"",ItJ tJtJtJtJtJtJ 1. LIQUIDCRYSTALDISPLAY(LCD) PANEL- Indicators for TX,CAL, MEM,TSQ, GS (OS), SCN, PRI, Channel Number, Frequency (SELCALL Code), Signal Strength Level (S), Transmit Power Level (RF), DUP and Scrambler. 2. UP/DOWNCHANNELSELECTOR-These controls are used to select the desired communication channel. 3. ON/OFF, VO
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8. SCANCONTROL(SCN)- Press to activate Normal OS/GS scanning or press and hold to enable Seek Mode OS/GS Scanning. 9. MEMORY CONTROL (MEM) - Places channel numbers into the memory scan list (OS or GS). 10. AUDIO SCRAMBLER I TONE SQUELCH CONTROL - Controls access to audio scrambling feature and Tone Squelched operation (Quiet Mode). Indicators ~ ~ m CA:JMEM TS~ GS 6 ' ' I I DUP f ~ ~ SRF...1 SC I Cl Cl Cl Cl Cl Cl PRI 11 1 DDD.DDD,MHz I11 ~ ~ 11. Channel Indicator - ,Indicates the channel number
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Connectors FrontPanel 23. MICROPHONE SOCKET The microphone plug is inserted into this socket. Back Panel 0 0 ~ 6 24. EXTERNAL SPEAKER JACK - Used for remote receiver monitoring. When the external speaker is connected, the internal speaker is automatically disconnected. The connecting wire must use a 3.5mm miniature plug only. 25. ANTENNA CONNECTOR - Connect the Antenna here using a PL259 type connector. 26. DC POWER CORD - DC power is connected to the transceiver through this jack. A power cord
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Introduction The Uniden UH-1 00 UHF two way radio is designed to provide you with years of trouble free service. Its rugged components and materials are capable of withstanding harsh environments. The unit may be mounted in several convenient locations using the universal mounting bracket. You can be confident in your choice of radio equipment because the UH-100 offers built-in SELCALL, Wide Liquid Crystal Display, Back-lit Control buttons, complete coverage of the UHF CB Frequency Band, and muc
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Included with your UH-100 UH-100 Owner's Manual Microphone Hanger, Screws and Washers @@ @@ ~~ ~ ~~ Mounting Bracket, Knobs, Rubber Washer, Washer Stars and Screws =f DC Power Cord with Fuse Warranty Registration Sheet 7
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Operation Setting the Squelch 1. To turn the unit ON, rotate VOLUME clockwise. Adjust volume to a comfortable level. Note: You must select a channel which is not in use before setting the SQUELCH control on your radio. 2. Think of the Squelch control as a gate. If you turn SQUELCH fully clockwise it raises the "Squelch Gate" so high that no signals get through. ~~i Strong Signals ~IY Medium Signals ~ Weak Signals Noise 3. If you turn the SQUELCH fully counterclockwise it lowers the "Squelch Gate
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4. To set the "Squelch Gate" to the desired level, turn SQUELCH counterclockwise until you hear noise. Then turn the SQUELCH clockwise just until the noise stops. Now only strong signals get through. . . Strong Signals . . Medium Signals . ~ Weak Signals Noise ~I Selecting a Channel 1. When you turn on the UH-1 00, the last channel used will appear on the LCD display. egoCH01 I1I8IkB1~UH"oo ()()~~~~~() ()~~~~~~~ s ,-, ' 1~15Q) ()~",~~~ 1 ()~~~~~~~ 'f75.'fi'SlofHz Lt t ~ ~ ~ ()()~~~,~() ()()()()(
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Transmitting The UH-100 transmits on 40 UHF CB channels. For your reference, a listing of all the available channels is printed on the back cover. 1. Select the desired channel. ego CH01 UEU ,-, , s I I{ 76.1{t?5MHz LI 2. To transmit, press the PTT switch to activate the transmitter. m MEAl ,-, , - RF 1 . .. I I{ 76.1{t?5MHz LI '116.'1('5.... (!D
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Operation with the aid of a repeater The Signal coming from your radio is received by the Repeater Station and then re- transmitted at the same time on another channel. This operation is called "Duplexing". Your UH-100 is designed withthe capability to access and use repeater stations. Channels 01 through 08 have the option to operate in Duplex Mode. When any of these channels are set to operate in duplex mode during transmission, the UH-100 automatically sends the signal at a frequency 30 chann
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Whenever you press the PTT Switch the UH-100 frequency display changes to CH31 frequency. iD MEM ,-, , ~@ ex;..... I 'I 77. 17 5 MHz LI @~ ~ ~ ~ ([~) ~ (@D) . Press DUPLEX again to deactivate the Duplex Operation. UH-1 00 will return to Simplex operation. ItIEM ,-, , ~@ s I 'I 76.'Ii'5MHz LI @ OfF 12
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Scanning The UH-100 has a scanning feature that allows you to search for active channels automatically. Furthermore, the UH-100 is designed to have two types of scanning; Open Scanning (OS) and Group Scanning (GS), to give you flexibility and allow you to use the radio more effectively. To initiate scanning. 1. Assuming the unit is on CH 17 when switched on. MEM ,-, s ~@ , , l{75.825MHz ~ OFF ~ -- ~ ((saIAMBl£» ((~EM)) ((~») «0&135») ~ TSQ 'T'" 2. Press SCN and Scanning starts. MEM ,=g,-, saN,-
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2. Group Scan (GS) Mode Allows you to monitor a Priority Channel while scanning. MEMGS ,'
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Choosing a Priority Channel The starting channel, when Group Scanning is initiated, is always the Priority Channel. Changing the PRI channel setting while scanning, ego PRI Channel is CH17 (476.825 MHz) a. press"", to select a higher channel (scanning pauses) GS ,,-, S BCN "I 75.8SGMHz PR, ,C, - or - b. press"', to select a lower channel GS , ,- S SCN , ,- "I 75.8GGMHz PRI -' Drop-Out Delay While scanning, the UH-100 stops at a busy channel and receives a transmission. When the received signal i
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Programming Scan Channels 1. Select which Scanning Modeyou wish to use on the channel. GS ,,-, S ~@ OS or GS Mode ,,-, - &176.85OMHz re~ Note: OS is indicated by the . ~ absence of the GS icon. '~ ~ ([§:» ~ 2. Select the channel you want to store. GS S I{ 76.8i'5MHz ~ ~ (~) ((]ID) l@!D) TSQ 3. Press and hold MEM for 1.5 sec. to store. MEM icon appears and a ME", GS , -, short tone beep is heard. S ~@ , , &I 76.8i'5MHz re OFF ~ ~ ~"'6~. 4. To remove the channel from Memory, press and hold MEM for
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Channel Seeking Operation Unlike normal scanning, CHANNEL SEEK is used more often when checking for active channels. If a signal is detected, while seeking, the UH-100 will tune to that signal for 4 seconds only and then resumes Seeking Operation. Changing from SCAN to SEEK Mode operation. 1. Firstly, activate SCAN mode. MEM -,,- SCN- - I{71300MHz _, LI 2. Press and hold SCN until a "beep" is heard. The SCN MEM 'y £-r'~I ,-, icon starts to flash. Pi\CI Cl 3. If an active channel is detected the
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Voice Scrambler UH-100 has a built-in scrambler / de-scrambler circuit. The Voice Scrambler feature prevents users, without the necessary descrambler equipment, "understanding" your conversation. This feature is NOT operable on CH01 through CH08, CH31 through CH38, and CH11, and will only work between units with the voice scrambler feature compatible with the Uniden UH-100. To activate the audio scrambler, select an available channel for audio scrambling. egoCH10 Press SCRAMBLE, the' icon appear
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LCD Backlight Level Control The LCD backlight level can be changed to BRIGHT, DIM, or OFF. To change the level simply press and hold the DUPLEX key for more than 1.5 seconds. IIEII ,,-, 5 ~@ I..f 75.5SGMHz ILl re OFF To change further, press and hold DUPLEX again. ' MEM ,,-, I ~ 75.5SGIIHz ILII f , .18. 19
