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Icom IC-M421

Icom IC-M421
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22
6 DSC OPERATION
New2001
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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