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Appendix A | V5035 Operator and Installation Manual
5 x AIS channel for broadcast of the radio message
6 xx ITU-R M.1371 message ID
7 s—s Encapsulated data
8 x Number of fill-bits
ACA – AIS Channel Assignment Message
An AIS device can receive regional channel management informa-
tion.
$--ACA,x,llll.ll,a,yyyyy.yy,a,llll.ll,a,yyyyy.yy,a,x,xxxx,x,xxxx,x,x,x,a,x,hhmmss.
ss*hh<CR><LF>
Field No. Format Description Remark
1 x Sequence Number
2 llll.ll,a Region northeast corner latitude – N/S
3 yyyyy.yy,a Region northeast corner longitude – E/W
4 llll.ll,a Region southwest corner latitude – N/S
5 yyyyy.yy,a Region southwest corner longitude – E/W
6 x Transition zone size
7 xxxx Channel A
8 x Channel A bandwidth
9 xxxx Channel B
10 x Channel B bandwidth
11 x Tx/Rx mode control
12 x Power level control
13 a Information source
14 x In-use flag
15 hhmmss.ss Time of “in use” change
ACK – Acknowledge Alarm
This sentence is used to acknowledge an alarm condition reported
by a device.
$--ACK,xxx*hh<CR><LF>
Field No. Format Description Remark
1 xxx Unique alarm number (identifier) at alarm source