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40
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. 62.
• 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 [
Y
]/[
Z
] after
pushing [VOL].
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 avail-
able.
• 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 34)
INT
BUSY-25W---INT---CALL
LOCAL--DUP
SCRAM--TAG
NORMAL-SCAN
INTERCOM
-34"34.206N
TALK
123"23.236W
--UTC-10:10COMMERCIAL
IC-M602 (caller)
HM-127 (listener)
INT
BUSY-25W---INT---CALL
LOCAL--DUP
SCRAM--TAG
NORMAL-SCAN
INTERCOM
-34"34.206N
123"23.236W
--UTC-10:10COMMERCIAL
IC-M602
HM-127