Icom IC-M502A [24/74] I distress call

Icom IC-M502A [24/74] I distress call
18
6
DSC OPERATION
Distress call
A Distress call should be transmitted, if in the opinion of the
Master, the ship or a person is in distress and requires imme-
diate assistance.
NEVER USE THE DISTRESS CALL WHEN
YOUR SHIP IS NOT IN AN EMERGENCY. A
DISTRESS CALL CAN BE USED ONLY WHEN
IMMEDIATE HELP IS NEEDED.
DD
Simple call
q Confirm no Distress call is being received.
w While lifting up the switch cover, push
[
[
DISTRESS
DISTRESS
]
] for 5
sec. to transmit the Distress call.
Emergency channel (Ch 70) is automatically selected and the
Distress call is transmitted.
When no GPS is connected, input your position and UTC time, if
possible.
e After transmitting the call, the transceiver waits for an ac-
knowledgment call on Ch 70.
The Distress call is automatically transmitted every 3.5 to 4.5
minutes.
r After receiving the acknowledgment, reply using the mi-
crophone.
A distress alert contains (default);
Kind of distress : Undesignated distress
Position data : GPS or manual input position data held for
23.5 hrs or until the power is turned OFF.
The Distress call is repeated every 3.5–4.5 min., until re-
ceiving an ‘acknowledgement.’
Push
[
[
DISTRESS
DISTRESS
]
] to transmit a renewed Distress call,
if required.
Push any key (except
[
[
DISTRESS
DISTRESS
]
]) to cancel the ‘Call
repeat’ mode.
??” may blink instead of position and time indications
when the GPS data is invalid, or has not been manually
updated after 4 hours.
<TokyoCG
DistressACK
Received
Distress
Completed
WaitforACK
DistressTX
35°23.123N
135°35.123E
GPSUTC12:34

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