Icom IC-A3 Instruction Manual page 5

Hi Top panel
ANTENNA CONNECTOR (p. 8)
Connects the supplied antenna.
Turns the power ON and OFF, and
adjusts the audio level.
Varies the squelch threshold point for
noise mute,
VOLUME CONTROL [VOL] (p. 11)
SQUELCH CONTROL [SQL] (p. 11)
PANEL DESCRIPTION 1
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.
TUNING DIAL [DIAL]
- Sets an operating frequency, memory
channel or weather channel.*
- Sets the 1 MHz digit after pushing [F]
in frequency mode.
* Weather channet: U.S.A. version only.
ENGL
4