20
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 im-
mediate 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.
D
Simple call
q
Confirm no Distress Call is being received.
w
While lifting up the key cover, hold down
[DISTRESS] for
5 seconds to transmit the Distress call.
• Emergency channel (Channel 70) is automatically selected and
the Distress call is transmitted.
• When no GPS is connected, input your position and UTC time, if
possible. (p. 44)
• While holding down
[DISTRESS], the key backlighting blinks.
Distress Call
Push for 5 sec.
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.
• After 2 seconds, the transceiver is automatically set to Channel
16.
Distress Call
TX Complete
Now Waiting for ACK
<CLR˘Cancel ACK>
After 2 seconds
25W
INT
TAG
Wait ACK
<CLR˘
Cancel ACK>
CALLING
Содержание IC-M504A
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