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6 DSC OPERATION
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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 OR A PERSON 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 key 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.
• While pushing [DISTRESS], the key backlighting is blinking.
e After transmitting the distress call, the transceiver waits for
an acknowledgment call on Ch 70.
The distress call is automatically transmitted every 3.5 to 4.5
minutes.
After 2 sec., the transceiver is set to Channel 16 automatically.
r After receiving the acknowledgment, reply using the mi-
crophone.
INT
25W TAG
RCV DTRS ACK
<Osaka Bay
<CLR˘
CALLING Beep Off>
Distress Call
TX Completed
Now Waiting for ACK
<CLR˘Cancel>
INT
25W TAG
Wait ACK
<CLR˘
CALLING Cancel>
After 2 sec.
Distress Call
Push for 5 sec.
!IC-M421-3.qxd 06.5.26 1:44 PM Page 22 (1,1)
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