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2) MMSI
- The ID of the ship, the ID of the calling station, the ID of the coast station start with
'00', and the GROUP ID starts with '0'.
3) PRIORITY
DISTRESS
A significant and an imminent danger and an immediate
support demand
URGENCY
The reception of calling station in case of very urgent
call about safety of the vessel or airplane, or safety of
people transportation
SAFETY
Reception when an important voyage or meteorological
warning are included
ROUTINE
An ordinary call
4) Communication mode (COMM)
- TELEPHONE : Voice call through the daily microphone speaker.
- TLX ARQ : ARQ TELEX mode via NBDP terminal
- TLX FEC : FEC TELEX mode via NBDP terminal
5) Communication frequency
- Frequency used by voice communication or NBDP by the call.
- The sending station must specify the frequency to be used by the receiving station.
6) Location
- Location can be entered automatically or manually.
7) DSC frequency
- Frequency at which messages are transmitted / received, when calling DSC.
- PRIORITY chooses the DSC distress frequency, which is SAFETY / URGENCY / DISTRESS.
6-3
DSC DISTRESS SCREEN COMPOSITION
6-3-1
RECEPTION
1) DISTRESS ALERT
