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Summary of Contents for Uniden Sundowner UH-077
- Page 1 UHF CB TRANSCEIVER OWNER'S MANUAL l 1 " I rnEI £ IMEMI-, IDUPI ICAI1051 uDden SCAN U OS ~ UH-O77 T.SO...
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Page 2: Channel Information
DESCRIPTION Your UNIDENModel SUNDOWNER UH-O77 represents the most advanced Mobile Sta- tion type radio ever designed for use in the Citizens Band Radio Service. Itwilloperate on any of the 40 frequencies designated as citizens band channels by the Department of Communications. -
Page 3: Installation
Only a properly matched antenna system will allow maximum power transferfrom the 50- ohm transmission line to the radiating element. Your Uniden dealer is qualified to assist you in the selection of the proper antenna to meet your application requirements. -
Page 4: Operating Procedure To Transmit
4. Set the OFF/VOLUME Control to a comfortable listening level. 5. Listen to the background noise from the speaker. Turn the SQUELCH control slowly clockwise until the noise JUST disappears (no signal should be present). Leave the control at this setting. The SQUELCH is now properly adjusted. The receiver will re- main quiet until a signal is actually received. - Page 5 1. PRESS- TO-TALK MICROPHONE: The receive and transmit are controlled by the PRESS- TO-TALK switch on the microphone. Press the switch on the microphone to activate the transmitter; release the switch to receive. microphone two inches from the mouth and speak clearly in a normal voice. The mic- rophone provided with your radio is detachable Iow impedance dynamic type.
- Page 6 RX INDICATOR: Lights during the receive mode whenever a station is being re- ceived, or whenever the SQUELCH control is adjusted fully counter clockwise. GROUP SCAN INDICATOR: Lights when the GROUP SCAN mode is selected. MEMORY INDICATOR: In the normal mode (SCAN switch OUT): lights if the channel indicated by the CHAN- NEL INDICATOR and selected by the CHANNEL SELECTOR switch is programmed into the selected scan memory.
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Page 7: Servicing Your Transceiver
TONE CALL SWITCH: This switch is reserved for optionalSELCALL Push the T. CALL switch, (when this action is taken, TX indicator will flash), then, TONE SIGNAL will be generated and it opens the Squelch of the other units which have the same tone squelch function. 19. -
Page 8: Normal Operation
OPERATING INSTRUCTIONS NORMAL OPERATION RECEIVE OPERATING PROCEDURE 1. Connect the 13.8 Volt power lead, microphone and antenna. 2. Select the NORMAL mode by selecting the SCAN switch (3) to the 'OUT' position. 3. Rotate the SQUELCH control (15) fully counterclockwise. 4. -
Page 9: Removing Group Scan Channels
REMOVING GROUP SCAN CHANNELS To DELETE a programmed channel from the Group Scan Memory. 1. Rotate the CHANNEL SELECTOR switch (20) until the channel you wish to remove is displayed. Note that the MEM indicator (10) should be lit, indicating that this channel is currently programmed in the memory. -
Page 10: Receiving A Signal On A Group Scan Channel
GROUP SCANNING NOTE: 1. If the GROUP SCAN memory has not been programmed wh~nthe Mode is selected by selecting the OS/GS Select switch (4) to the OUT position and the SCAN switch (3) is selected, the SUNDOWNER UH-077 will ignore the SCAN switch (3) and will behave as if it had not been pressed. -
Page 11: Removing Open Scan Channels
REMOVING OPEN SCAN CHANNELS When the radio is initially powered up from the box, all 40 channels will be programmed into the OPEN SCAN MEMORY. If you do not wish to scan any particular channels (e.g. if one or more channels are continu- ally busy and always causing the scanning function to pause), you may remove these channels from the scan group using the following sequence. -
Page 12: Reinstallingchannelsintothe Scan Group
REINSTALLINGCHANNELSINTOTHE SCAN GROUP To reinstall previously deleted channels intothe scan group, simply repeatsteps 3 and 4. However,this time note that there will be a BEEP heard whenthe MEMswitch is pressed, and the MEM indicator will LIGHT, showing the selected channel is now included in the scan group. -
Page 13: Specifications General
SPECIFICATIONS GENERAL Channels : 40 Frequency Range : 476.425 MHz to 477.400 MHz REPEATER USE (CH-1 to CH~8,TX only): 477.175 MHz to 477.350 MHz Crystal Oscillator Microphone : 600 ohm, Dynamic Type Speaker : 8 ohm, 3W Antenna Connector : M-Type Jacks &... - Page 14 MEMO...
- Page 15 ELEMENTS OF WARRANTY: UNIDEN warrants to the original retail owner for the duration of this warranty, UNIDEN CB Product (hereinafter referred to as the Product) to be free from de- fects in materials and craftsmanship with only the limitations or exclusions set out below.
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