46
7
OTHER FUNCTIONS
■ Intercom operation
The optional intercom function allows you to talk to the deck
from the cabin. The optional HM-127
REMOTE-CONTROL MI-
CROPHONE is required for intercom operation.
Connect an optional HM-127 as described on p. 68.
• Transmitting is impossible during intercom operation.
• The received signal is muted during intercom operation.
q Push [F], then push [9 IC] to enter intercom mode.
• The HM-127 power is automatically turned ON, even if the power
is OFF.
w Push and hold [9 IC] again to call up.
• The transceiver and microphone emit call beeps.
e Push and hold [PTT] and speak at a normal voice level
into the microphone.
• “TALK” or “LISTEN” appears on the caller or listener function dis-
play, respectively.
• To adjust the IC-M602’s speaker output level, rotate [VOL].
•To adjust the HM-127’s speaker output level, push after [VOL]
pushing [
YY
]/[
ZZ
].
r After releasing [PTT] you can hear the response through
the speaker.
t
To return to normal operation, push [CLR] or repeat step q.
•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 available.
•When a DSC call is received, the intercom function is in-
terrupted with an automatic return to the transceiver
mode. The transceiver’s display indicates ‘Receiving DSC
calls.’ (p 38)
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