Icom IC-M502A [42/74] Other functions

Icom IC-M502A [42/74] Other functions
36
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 pgs. 43, 65.
Transmitting is impossible during Intercom operation.
The received signal is muted during Intercom operation.
q Push
[
[
LO/DX
LO/DX
]
]
(
(
SCR)
SCR) for 1 sec. to enter Intercom mode.
The HM-127 power is automatically turned ON, even if the power
is OFF.
w Push and hold
[
[
LO/DX
LO/DX
]
]
(
(
SCR)
SCR) 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-M502A’s speaker output level, rotate
[
[
VOL
VOL
]
].
To adjust the HM-127’s speaker output level, push after
[
[
VOL
VOL
]
]
pushing
[
[
YY
YY
]
]
/
[
[
ZZ
ZZ
]
].
r After releasing the PTT switch you can hear the response
through the speaker.
t To return to the normal operation, push
[
[
LO/DX
LO/DX
]
]
(
(
SCR)
SCR)
momentarily.
Other keys also turn the function OFF, however, the correspond-
ing function is then activated (e.g. pushing
[
[
9
9
]
] selects Chan-
nel 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” ap-
pears and the last received DSC message is displayed
after the Intercom use is finished.
When a WX alert is received, “WX ALT” blinks and a
beep sounds. The WX alert sounds after the Intercom use
is finished.
16
16
IC
Intercom
INT
INT
TALK
IC-M502A (caller) HM-127 (listener)
IC
Intercom
INT
INT
IC-M502A HM-127
IC

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