Controls / indicators / connectors – Uniden UH-100 User Manual
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Controls / Indicators / Connectors
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LIQUID CRYSTAL DISPLAY (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.
UP/DOWN CHANNEL SELECTOR - These controls are used to select the desired
communication channel.
ON/OFF, VOLUME & SQUELCH CONTROLS
ON/OFF & Volume Control (Centre Knob)
Turns the UH-100 power ON or OFF and adjusts the volume.
Squelch Control (Outer Ring)
Eliminates background noise in the absence of an incoming signal.
PUSH-TO-TALK (PTT) SWITCH - Press to transmit and release to receive.
TONE CALL CONTROL BUTTON - Press to transmit SELCALL codes, also used
to access TX SELCALL ID programming.
DUPLEX / LCD BACKLIGHT Control
a. Duplex Operation
Press this button momentarily to choose semi-duplex operation for Channels 1
through 8,
b, LCD Backlight Control
Press and hold this button to change the LCD backlight level BRIGHT ■ DIM - OFF.
OPEN SCAN/GROUP SCAN CONTROL (OS/GS) - Switches operation between
OPEN SCAN and GROUP SCAN Mode