Furuno FCR-2107 Series Operator's Manual page 505

DTM - Datum reference
Recipient of sentences:
Expected nominal interval of sentences: 15 s
Alarm generated if message not received: 60 s ± 10 s
$--DTM,ccc,a,x.x,a,x.x,a,x.x,ccc*hh<CR><LF>
| | | | |
| | | | |
| | | | |
| | | | |
| | | | +--+------------- 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 dattum 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<CR><LF>
| | | | | | |
| | | | | | +--------- 4
| | | | +--+----------- 3
| | +--+----------------- 2
+--+---------------------- 1
1. Water depth, feet
2. Water depth, m
3. Water depth, fathoms
4. Checksum
| | | |
| | | +--- 7
| | +------ 6
| +---------- 5
Appendix 5: Digital Interface
AP-53