User's Manual

99
7
x
Parameter Id 4 , 0-998
8
x
Parameter value 4, 0- 1000000000
A.5.26 PAMC, DSC – Proprietary Sentences, Digital selective calling
When AIS transponder receives DCS messages, this sentence is used to output DSC pattern.
$PAMC,R,DSC,c-c*hh<CR><LF>
Field No.
Format
Description
Remark
1
c-c
DSC pattern
A.6 Interpretation of Output Sentences
A.6.1 ABK – AIS 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.
$--ABK,xxxxxxxxx,x,x.x,x,x*hh<CR><LF>
Field No.
Format
Description
Remark
1
xxxxxxxxx
MMSI of the addressed AIS unit
2
x
AIS channel of reception
3
x.x
ITU-R M.1371Message ID
4
x
Message sequence number
5
x
Type of acknowledgement
A.6.2 ACA – AIS Channel Assignment Message
An AIS device can receive regional channel management information
$-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