Icom IC-12GAT Instruction Manual page 9

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PANEL DESCRIPTION 4.
CALL SWITCH [CALL]
(1C-12GAT only)
Brings up the Call Channel.
TONE CALL SWITCH [T.CALL]
(IC-12GE only)
Emits a 1750Hz tone to access a
repeater.
EXTERNAL SPEAKER AND MICRO-
PHONE JACKS [EXT SP MIC]
RF OUTPUT POWER SWITCH [H/L]
Selects HIGH or LOW output power.
HIGH: 1W
LOW : O.1W
Turns ON and OFF the LOCK function
when pushed simultaneously with
[FUNCTION].
MICROPHONE
MONITOR SWITCH [MONI]
Opens the squelch (and the tone
squelch when UT-40 is installed).
Monitors the repeater input frequency
in duplex.
Turns the beep tones ON and OFF
when simultaneously pushed with
[FUNCTION].