Intercom Operation (Ic-M402 Only); I Intercom Operation - Icom IC-M402 Instruction Manual

7
INTERCOM OPERATION

I Intercom operation

The optional intercom function allows you to talk to the deck
from the cabin. The optional HM-127
is required for intercom operation.
CROPHONE
Connect an optional HM-127 as described on p. 36.
• Transmitting is impossible during intercom operation.
• The received signal is muted during intercom operation.
q Push [DSC] for 1 sec. to enter intercom mode.
• The HM-127 power is automatically turned ON, even if the HM-
127 power is OFF.
IC-M402
w Push and hold [DSC] again to call up.
• The transceiver and microphone emit call beeps.
e Push and hold the PTT switch and speak at a normal voice
level into the microphone.
• "TALK" or "LSTN" appears on the caller or listener function dis-
play, respectively.
•To adjust the IC-M402's speaker output level, rotate [VOL].
• To adjust the HM-127's speaker output level, push [Y]/[Z] after
pushing [VOL] on the HM-127.
19
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REMOTE CONTROL MI
INT
HM-127
(IC-M402 only)
IC-M402 (caller)
r After releasing the PTT switch you can hear the response
through the speaker.
t To return to normal operation, push [DSC] momentarily.
• Other switches also turn the function OFF, however, the corre-
sponding function is then activated e.g. pushing [16] selects Ch 16.
While in the intercom mode, the transceiver functions
•
(transmit and receive) are interrupted. If the transceiver is
in transmit condition, the intercom function is not avail-
able.
When a DSC call is received, "DSC received" appears
•
and the last received DSC message is displayed after the
intercom use is finished.
When a WX alert is received, "WX ALT" flashes and a
•
beep sounds. The WX alert sounds after the intercom use
is finished.
INT
HM-127 (listener)