Furuno VR-7000 Installation Manual page 95

VDM - UAIS VHF data-link message
!--VDM,x,x,x,x,s--s,x*hh<CR><LF>
1 2 3 4 5 6
1. Total number of sentences needed to transfer the message (1 to 9)
2. Sentence number (1 to 9)
3. Sequential message identifier (0 to 9, null)
4. AIS channel (A or B)
5. Encapsulated ITU-R M.1371 radio message (1 to 63 bytes)
6. Number of fill-bits (0 to 5)
VDO - UAIS VHFG data-link own vessel report
!--VDO,x,x,x,x,s--s,x*hh<CR><LF>
1 2 3 4 5 6
1. Total number of sentences needed to transfer the message (1 to 9)
2. Sentence number (1 to 9)
3. Sequential message identifier (0 to 9, null)
4. AIS channel Number (A or B)
5. Encapsulated ITU-R M.1371 radio message (1 to 63 bytes)
6. Number of fill-bits (0 to 5)
VDR - Set and drift
$--VDR,x.x,T,x.x,M,x.x,N*hh <CR><LF>
1 2 3 4 5 6
1. Direction, degrees (0.0 to 360.0)
2. T=True (fixed)
3. Direction, degrees (0.0 to 360.0)
4. M=Magnetic (fixed)
5. Current speed (0 to 99.99)
6. N=Knots (fixed)
VHW - Water speed and headings
$--VHW,x.x,T,x.x,M,x.x,N,x.x,K*hh <CR><LF>
1 2
1. Heading, degrees true
2. Heading, degrees magnetic
3. Speed, knots
4. Speed, km/h
VLW - Dual ground/water distance
$--VLW,x.x,N,x.x,N,x.x,N,x.x,N*hh<CR><LF>
1 2 3 4 5 6 7 8
1. Total cumulative water distance (0.0 to 999999.999)
2. N=Nautical miles
3. Water distance since reset (0.000 to 999999.999)
4. N=Nautical miles
5. Total cumulative ground distance (no use)
6. N=Nautical miles (no use)
7. Ground distance since reset (no use)
8. N=Nautical miles (no use)
3 4
APPENDIX 4 DIGITAL INTERFACE
AP-25