Furuno FA-50 Manuel D'utilisation page 54

ANNEXE 4 DIGITAL INTERFACE
TXT-Text transmission
$--TXT,xx,xx,xx,c--c*hh<CR><LF>
VDM-AIS VHF data-link message
!--VDM,x,x,x,a,s--s,x*hh<CR><LF>
| | | | |
| | | | |
| | | | | +----- 6
| | | | +-------- 5
| | | +------------ 4
| | +-------------- 3
| +---------------- 2
+------------------ 1
VDO-AIS VHF data-link own vessel report
!--VDO,x,x,x,a,s--s,x*hh<CR><LF>
| | | | | | |
| | | | | | +--- 7
| | | | | +----- 6
| | | | +-------- 5
| | | +------------ 4
| | +-------------- 3
| +---------------- 2
+------------------ 1
AP-14
| | | | | |
| | | | | +--- 5
| | | +--+----- 4
| | +---------- 3
| +------------- 2
+---------------- 1
| |
| +--- 7
1. Total number of sentences needed to transfer the message, 1 to 9
2. Message sentence number, 1 to 9
3. Sequential message identifier, 0 to 9
4. AIS channel
5. Encapsulated ITU-R M.1371 radio message
6. Number of fill-bits, 0 to 5
7. Checksum
1. Total number of sentences needed to transfer the message, 1 to 9
2. Message sentence number, 1 to 9
3. Sequential message identifier, 0 to 9
4. AIS channel
5. Encapsulated ITU-R M.1371 radio message
6. Number of fill-bits, 0 to 5
7. Checksum
1. Total number of message, 01 to 99
2. Message number, 01 to 99
3. Text identifier
4. Text Message
5. Checksum