Sending Dsc Calls (Distress) - Icom IC-M410BB Instruction Manual

7
DIGITAL SELECTIVE CALLING (DSC)

■ Sending DSC calls (Distress)

A Distress call should be sent if, in the opinion of the captain, 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.
D Simple call
1. Confirm that no Distress call is being received.
2. While lifting up the key cover, hold down
[DISTRESS] for 3 seconds until you hear
3 short countdown beeps and a long beep
sound.
• The backlight blinks.
3. After sending, wait for an Acknowledgment
call.
• "Waiting for ACK" is displayed.
• The Distress call is automatically sent every
3.5 to 4.5 minutes, until an Acknowledgment is
received, or a Distress Cancel call is sent.
4. When you receive an Acknowledgment, an
alarm sounds. Push
• Channel 16 is automatically selected.
5. Push
6. Hold down [PTT], and then explain your
situation.
7. After you have finished your conversation,
push .
• "Terminate the procedure. Are you sure?" is
displayed.
8. Push
TIP: A default Distress alert contains:
• Nature of distress: Undesignated distress
• Position information: The latest GPS, or manually input position, that is held for 23.5 hours,
or until you turn OFF the transceiver.
19
[DISTRESS] key
to turn OFF the alarm.
.
to return to the operating screen.
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