Specifications

34 MT-550
Distress ACK sent to another vessel
If your MT-550 transceiver intercepts a distress ACK from a coast station, an alarm
sounds and the following screen appears in the display.
USA INT
21:45 UTC +
ID998765432
N 29 06.814
W 82 50.169
Coast Station ACK to other vessel, page 1
The screen presents time of ACK and Lat/Lon coordinates. The plus sign (+)
indicates there is another page of information available.
• Push the SELECT/ENT knob to toggle between page 1 and page 2.
INT
EPRIB
Emission.
ID123456789
03 ACK +
Coast Station ACK to other vessel, page 2
The distressed vessel’s MMSID and ACK appear on the second page. Maintain a
listening watch on channel 16 and standby to lend assistance.
Distress Relay from another vessel
If your MT-550 transceiver intercepts a distress relay from another vessel, an alarm
sounds and the following screen appears in the display.
USA INT
04:16 P +
ID323456789
N 28 29.814
W 82 50.169
Distress Relay, page 1
The screen displays, local time of distress, the MMSID of the vessel sending the
relay message and Lat/Lon coordinates of the vessel in distress. The plus sign (+)
indicates there is another page of information available.
• Push the SELECT/ENT knob to toggle between page 1 and page 2.
INT
EPRIB
Emission.
ID123456789
04 RELAY +
Distress Relay, page 2
The distressed vessel’s MMSID and RELAY call type appear on the second page.
Your vessel does not re-send a distress relay message.
Name or ID of
Coast Station
Name or ID of
Vessel in Distress
Name or ID of
Vessel sending
message
Name or ID of
Vessel in Distress