ICOM ic-m801gmdss Benutzerhandbuch

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When your ship requires assistance, contact other ships and the Coast Guard by sending a distress call using dig-
ital selective calling on an emergency frequency.
IN CASE OF EMERGENCY
When immediate help is needed
q Push and hold [DISTRESS] for 5 sec. until the
short beeps become one long beep, to send the
distress call.
w After the appropriate traffic frequency is automati-
cally selected (after an acknowledgement call is
received), push and hold the PTT switch on the
handset or microphone and send the following in-
formation.
1. “MAY DAY, MAY DAY, MAY DAY.”
2. “THIS IS ……………” (name of ship)
3. “LOCATED AT ……” (ship’s position)
4. Give the reason for the distress call.
5. Explain what assistance you need.
6. Give additional information:
• Ship type
• Ship length
• Ship color
• Number of people on-board
When potential problems exist
q Push [DSC] to select DSC watch mode, if neces-
sary.
w Push [MODE
SET
] to select DSC menu, rotate [CH]
to select “Geographical” then push [ENT].
e Follow the guidance displayed on the LCD (bottom
line), to set up the category, area, calling and traf-
fic frequencies with [CH], [ENT] and keypad.
r Push and hold [CALL] for 1 sec. until the short
beeps become one long beep.
t Transmit the appropriate information using voice.
• DSC equipped ships may monitor your transmission.
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Quick Reference
The main firmware revision number is displayed in the opening screen as below.
The revision number is also displayed when MMSI code check screen is selected. 
(see page 43)
 < M M S I >
1 2 3 4 5 6 7 8 9
1 . 0 0
Main firmware revision
number indication
MAIN FIRMWARE REVISION NUMBER