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5.DSC Operation
5.5 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.
Note: DO NOT USE THE DISTRESS CALL
WHEN YOUR SHIP IS NOT IN AN EMERGENCY.
A DISTRESS CALL CAN BE USED ONLY WHEN
IMMEDIATE HELP IS NEEDED.
5.5.1 Simple call
q Confirm no Distress call is being received.
w While lifting up the switch cover, push [
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 When receiving the acknowledgment, reply using the mi-
crophone.
<TokyoCG
DistressACK
Received
Distress
Completed
WaitforACK
DistressTX
35°23.123N
135°35.123E
GPSUTC12:34
1. 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.
2. The Distress call is repeated every 3.5–4.5 min., until re-
ceiving an ‘acknowledgement.’
3. Push [
DISTRESS
] to transmit a renewed Distress call, if
required.
4. Push any key (except [
DISTRESS
]) to cancel the ‘Call re-
peat’ mode.
5. “??” may blink instead of position and time indications
when the GPS data is invalid, or has not been manually
updated after 4 hours.