Raymarine AIS950 Installation Instructions Manual page 59

6.8.3 ACK - Acknowledge alarm
This sentence is used to acknowledge an alarm condition reported by the transceiver.
$--ACK,xxx,*hh<CR><LF>
Field
number
1 xxx =
6.8.4 AIR - AIS Interrogation request
This sentence supports ITU-R M.1371 message 15. It provides external applications with the means to initiate
requests for specific ITU-R M.1371 messages from remote AIS stations.
$--AIR,xxxxxxxxx,x.x,x,x.x,x,xxxxxxxxx,x.x,x*hh<CR><LF>
Field
number
1 xxxxxxxxx =
2 x.x =
3 x =
4 x.x =
5 x =
6 xxxxxxxxx =
7 x.x =
8 x =
6.8.5 BBM -Binary broadcast message
This sentence allows generation of ITU-R M.1371 binary broadcast messages (message 8) or broadcast safety
related messages (message 14). The content of the message is defined by the application.
!--BBM,x,x,x,x,x.x,s--s,x*hh<CR><LF>
Field
number
1 x =
2 x =
3 x =
4 x =
5 x.x =
6 s--s =
7 x =
Description
Identification number of the alarm source to be acknowledged.
Description
MMSI of interrogated station-1
ITU-R M.1371 message requested from station-1
Message sub-section (Reserved for future use)
Number of second message from station-1
Message sub-section (Reserved for future use)
MMSI of interrogated station-2
Number of message requested from station-2
Message sub-section (Reserved for future use)
Description
Total number of sentences needed to transfer the message, 1 to 9
Sentence number, 1 to 9
Sequential message identifier, 0 to 9
AIS channel for broadcast of the radio message
ITU-R M.1371 message ID, 8 or 14
Encapsulated data
Number of fill-bits, 0 to 5
Technical reference
Page 59