Icom IC-GM651 Instruction Manual page 41

e After transmitting the call, the transceiver waits for an ac-
knowledgment call.
• The Distress call is automatically transmitted every 3.5 to 4.5
minutes. ('Distress Call Repeat' mode; p. 38)
• [PTT] is activated for voice communication with a maritime sta-
tion via Channel 16.
25W
TAG
Waiting for
DistressACK
r After receiving the acknowledgment, reply using the mi-
crophone.
25W
TAG
Received
DistressACK
<Coast St.1
After receiving the acknowl-
edgment from Coast St.1.
• " " means "from."
<
INT
Blinks when the acknowl-
edgement is received.
INT
➥ A distress alert contains (default);
• Nature of distress : Undesignated distress
• Position data : GPS or manual input position data held
for 23.5 hrs.
➥ The Distress call is repeated every 3.5–4.5 min., until
receiving an 'acknowledgement.' ('Distress Call Repeat'
mode; p. 38)
➥ Push [CLR] to transmit the 'Distress Cancel' to cancel
the 'Distress Call Repeat' mode. (p. 38)
➥ Push [DISTRESS] to transmit a renewed Distress call,
if required.
➥ "??" may blink instead of position and time indications
and the alarm sounds when the GPS data is invalid, or
has not been manually updated after 4 hours.
➥ If the transceiver has no MMSI code, a warning
alarm is emitted and "No MMSI" is displayed when
[DISTRESS] is pushed. In this case, the MMSI code
programming screen appears automatically. (p. 18)
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