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Ap-11 – Furuno FAR-2107(-BB) User Manual

Page 261

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APPENDIX

AP-11

DTM - Datum reference

$--DTM,ccc,a,x.x,a,x.x,a,x.x,ccc*hh
| | | | | | | | |
| | | | | | | | +--- 7
| | | | | | | +------ 6
| | | | | | +---------- 5
| | | | +--+------------- 4
| | +---+------------------- 3
| +------------------------- 2
+---------------------------- 1

1. Local datum W84 - WGS84
W72 - WGS72
S85 - SGS85
P90 - PE90
999 - User defined
IHO datum code
2. Local datum subdivision code
3. Lat offset, min, N/S
4. Lon offset, min, E/W
5. Altitude offset, m
6. Reference datum W84 - WGS84
W72 - WGS72
S85 - SGS85
P90 - PE90
7. Checksum

DBS - Depth below surface

$--DBS,x.x,f,x.x,M,x.x,F*hh
| | | | | | |
| | | | | | +--------- 4
| | | | +--+----------- 3
| | +--+----------------- 2
+--+---------------------- 1

1. Water depth, feet
2. Water depth, m
3. Water depth, fathoms
4. Checksum

DBT - Depth below transducer

$--DBT,x.x,f,x.x,M,x.x,F*hh
| | | | | | |
| | | | | | +--------- 4
| | | | +--+----------- 3
| | +--+----------------- 2
+--+---------------------- 1

1. Water depth, feet
2. Water depth, m
3. Water depth, fathoms
4. Checksum