Icom IC-A22 Instruction Manual page 5

PANEL DESCRIPTION 1
Ш Top panel
EXTERNAL SPEAKER AND
MICROPHONE JACKS [SP]/[MIC]
Connect a headset of the David Clark
Co. via the OPC-499, if desired. The
transmit voice can be monitored from
the headset. The internal speaker will
not function when connected. Note that
previous headset adapters, the HS-61
and HS-20SB, cannot be used.
ANTENNA CONNECTOR (p. 10)
Connects the supplied antenna.
VOLUME CONTROL [VOL] (p. 13)
Turns the power ON and OFF, and
adjusts the audio level.
TUNING DIAL [DIAL]
- Sets an operating frequency, memory
channel, weather channel* or duplex
frequency.*
- Sets the 1 MHz digit after pushing [F]
in frequency mode.
- Functions as an omni bearing selector
(changes course indicator) in CDI
mode.
SQUELCH CONTROL [SQL] (p. 13)
Varies the squelch threshold point for
noise mute.
* Weather channel and duplex function: U.S.A. version only.
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