Icom IM422 - Manual (Page 56)

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COMMANDMIC II™ HM-157
■ Intercom operation
q Push [LO/DX• SCR ] for 1 sec.
to activate the Intercom function.
w Push and hold [PTT] to talk.
• “ ” appears at the channel
comment indicator.
e Release [PTT] to listen.
• “ ” appears at the channel
comment indicator when the trans-
ceiver is in talking mode.
r Push [LO/DX• SCR ] to cancel the Intercom function.
• Pushing [16• 9 ] also cancels the Intercom function.
For your reference:
In case the Intercom mode is selected with the transceiver
while the microphone power is OFF, the microphone power is
automatically turned ON and the Intercom mode is selected.
D D Intercom beep function
➥ Push and hold [LO/DX•
SCR ] for more than 1 sec.
• Emits the Intercom beep while holding.
■ Public Address function
q While pushing [H/L], push
[VOL• PA/RX ] to enter the
Public Address mode.
w Push and hold [PTT] to talk.
• “ ” appears at the channel
comment indicator.
e Release [PTT] to listen.
• To adjust the audio output level,
push [Y] or [Z].
r To cancel the Public Address mode, repeat step q.
• Pushing [16• 9 ] also cancels the Intercom function.
While in the Public Address mode, the transceiver func-
tions (transmit and receive) are interrupted. If the trans-
ceiver is in transmit condition, the Public Address function
is not available.
■ RX Speaker function
q While pushing [H/L], push [VOL• PA/RX ] for 1 sec.
to enter the RX Speaker mode.
• “ ” scrolls at the channel comment indicator.
• To adjust the audio output level, push [Y] or [Z] while pushing
[VOL• PA/RX ].
w To cancel the RX Speaker mode, repeat step q.
• “ ” scrolls at the channel comment indicator.
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