CONFIGURATION AND SPECIFICATIONS
1-9
(2.5.5) ACS – Channel management information Source
$--ACS,x,xxxxxxxxx,hhmmss.ss,xx,xx,xxxx*hh<CR><LF>
UTC year
UTC month, 01 to 12
UTC day, 01 to 31
UTC at receipt of regional operating settings
MMSI of originator
Sequence number 1, 0 to 9
(2.5.6) ALR – Set alarm state
$--ALR,hhmmss.ss,xxx,A,A,c--c*hh<CR><LF>
Alarm’s description text
Alarm’s acknowledge state, A = acknowledged
V = unacknowledged
Alarm condition (A = threshold exceeded, V = not exceeded)
Unique alarm number (identifier) at alarm source
Time of alarm condition change, UTC
(2.5.7) AIR – AIS Interrogation Request
Message sub-section (Reserved for future use)
Number of message requested from station-2
MMSI of interrogated station-2
$--AIR,xxxxxxxxx,x.x,x,x.x,x,xxxxxxxxx,x.x,x*hh<CR><LF>
Message sub-section (Reserved for future use)
Number of second message from station-1
Message sub-section (Reserved for future use)
ITU-R M.1371 message requested from station-1
MMSI of interrogated station-1
(2.5.8) BBM – Broadcast Binary Message
!--BBM,x,x,x,x,x.x,s--s,x*hh<CR><LF>
Number of fill-bits, 0 to 5
Encapsulated data
ITU-R M.1371 message ID, 8 or 14
AIS channel for broadcast of the radio message
Sequential message identifier, 0 to 9
Sentence number, 1 to 9
Total number of sentences needed to transfer the message, 1 to 9
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