Icom IC-M424G Instruction Manual - Page 33

Making a, Distress call, Simple call

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DSC OPERATION 7 ■■Making a Distress call A Distress call should be made if, in the opinion of the Master, that the ship or a person is in distress and requires immediate assistance. NEVER MAKE A DISTRESS CALL IF YOUR SHIP OR A PERSON IS NOT IN AN EMERGENCY. A DISTRESS CALL SHOULD BE MADE ONLY WHEN IMMEDIATE HELP IS NEEDED. DDSimple call qqWhile lifting up the key cover, hold down [DISTRESS] for 3 seconds to transmit the Distress call. • W hile holding down [DISTRESS], count down beeps sound and both the key and display backlighting blink. • DSC channel (Channel 70) is automatically selected and the Distress call is transmitted. 1 wwAfter transmitting the call, the transceiver waits for an ac- 2 knowledgment call. 3 • T he Distress call is automatically transmitted every 3.5 to 4.5 minutes, until an acknowledgement is received ('Call repeat' 4 mode), or DSC Cancel call is made (p. 26). • Push [RESEND] to manually transmit the Distress repeat call. 5 • P ush then push [INFO] to display the transmitted Dis- 6 tress call information. • P ush then push [PAUSE] to pause the 'Call repeat' mode, 7 push [RESUME] to resume it. 8 9 10 11 12 eeAfter receiving the acknowledgment, push [ALARM OFF] then reply using the microphone. 13 ➥➥A distress alert default contains: 14 • Nature of distress: Undesignated distress 15 • Position information: T he latest GPS or manually entered posi- tion is held for 23.5 hours, or until the power 16 is turned OFF. 23

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23
7
DSC OPERATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Making a
■
Distress call
A Distress call should be made if, in the opinion of the Master,
that the ship or a person is in distress and requires immediate
assistance.
NEVER
MAKE A DISTRESS CALL IF YOUR SHIP OR A
PERSON IS NOT IN AN EMERGENCY. A DISTRESS
CALL SHOULD BE MADE ONLY WHEN IMMEDIATE
HELP IS NEEDED.
Simple call
D
While lifting up the key cover, hold down [DISTRESS] for 3
q
seconds to transmit the Distress call.
• While holding down [DISTRESS], count down beeps sound and
both the key and display backlighting blink.
• DSC channel (Channel 70) is automatically selected and the
Distress call is transmitted.
After transmitting the call, the transceiver waits for an ac-
w
knowledgment call.
• The Distress call is automatically transmitted every 3.5 to 4.5
minutes, until an acknowledgement is received (‘Call repeat’
mode), or DSC Cancel call is made (p. 26).
• Push [RESEND] to manually transmit the Distress repeat call.
• Push [
Ω
]/[
≈
] then push [INFO] to display the transmitted Dis-
tress call information.
• Push [
Ω
]/[
≈
] then push [PAUSE] to pause the ‘Call repeat’ mode,
push [RESUME] to resume it.
After receiving the acknowledgment, push [ALARM OFF]
e
then reply using the microphone.
A distress alert default contains:
➥
• Nature of distress:
Undesignated distress
• Position information: The latest GPS or manually entered posi
-
tion is held for 23.5 hours, or until the power
is turned OFF.