Operation
4-53
- Incase of the radiotelephone specified, after sending the acknowledgement the
frequency is set to 2182.00 kHz. Then start the radiotelephone communication
with the ship in distress according to the following procedure.
Say "MAYDAY".
Repeat the identity (MMSI) of the ship in distress 3 times
Say "This is..."
Repeat the identity (MMSI) of your ship 3 times
Say "RECEIVED MAYDAY".
- Incase of the FEC specified, after sending the acknowledgement the frequency
is set to 2174.50 kHz. Then start the telex communication with the data
terminal.
- The distress relay calls may be received without receiving the distress alert. In
this case, keep watch the distress frequency and handle the message using
the displayed options as appropriate.
- If menu 7.5.9 Auto FREQ change is setting to OFF, when pressing the
CANCEL key, the popup is displayed on the screen. In this case select either
Accept or Ignore. (For details, see 5.5.8)
- If the case of receiving the distress alerts of the nature of distress “Man
overboard (MOB)”, then multiple alerts from different MOB devices is handled
as one DSC call event.
4.5.6 Distress relay calls on behalf of someone else (DROBOSE)
If another ship is in distress but is itself unable to make a distress alert, and the master of the
ship considers that further help is necessary, the distress relay call on behalf of the ship can be
transmitted using the "DSC drobose call" menu. In this case, compose a distress relay call format
by inputting the MMSI (if known), the ship's position and the time of position (if known), and the
nature of distress to send to a specific area or a coast station.
CAUTION
When sending a drobose call, do NOT press the DISTRESS key. Doing so may
cause a false distress alert.
(Drobose calls can be sent via the [Call] button displayed on the screen.)
■ Procedure ■
1
1
1
.
.
.
On the status display or operation display,
while pressing and holding MENU key, press
2SCAN key to open “2. DSC drobose call”.
2
2
2
.
.
.
Select Address and press ENT, input the
MMSI of the calling coast station.
2)DSC drobose call
Format :[Individual]
Address :[ ]
Distress ID:[ ]
Nature :[Undesignated ]
Position :[ ]
:[ ゚ . ' ]
:[ ゚ . ' ]
UTC of pos :[ : ]
[Call] [Preview] [Cancel]
2)DSC drobose call
Format :[Individual]
Address :[0 ]
Distress ID:[ ]
Nature :[Undesignated ]
Position :[ ]
:[ ゚ . ' ]
:[ ゚ . ' ]
UTC of pos :[ : ]
[Call] [Preview] [Cancel]