Kongsberg Seatex AIS 100, Instruction Manual

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Seatex AIS 100 Instruction Manual, rev. 5 External interfaces
51
Priority of Rate of Turn
Priority Sentence
1 ROT
2 OSD (derived from heading)
3 HDT (derived from heading)
6.5 New IEC 61162-1 sentences
This subchapter contains a description of proposed IEC 61162-1
sentences due to AIS. Reference is made to IEC 61193-2, 2001, annex
B2.
ABK – Addressed and binary broadcast
acknowledgement
The ABK-sentence is generated when a transaction, initiated by
reception of an ABM, AIR, or BBM sentence, is completed or
terminated.
This sentence provides information about the success or failure of a
requested ABM broadcast of either ITU-R M.1371 messages 6 or 12.
The ABK process utilises the information received in ITU-R M.1371
messages 7 and 13. Upon reception of either a VHF Data-link
message 7 or 13, or the failure of messages 6 or 12, the AIS unit
delivers the ABK sentence to the external application.
This sentence is also used to report to the external application the AIS
unit's handling of the AIR (ITU-R M.1371 message 15) and BBM
(ITU-R M.1371 messages 8 and 14) sentences. The external
application initiates an interrogation through the use of the AIR-
sentence, or a broadcast through the use of the BBM sentence. The
AIS unit generates an ABK sentence to report the outcome of the AIR
or BBM broadcast process
.
NOTE 1 Identifies the distant addressed AIS unit involved with the
acknowledgement. If more than one MMSI are being addressed (ITU-
R M.1371 message 15), the MMSI of the first distant AIS unit,
identified in the message, is the MMSI reported here. When the