Furuno ECDIS FMD-3100 Installation Manual page 66

APPENDIX 3 DIGITAL INTERFACE
DTM - Datum reference
$--DTM,ccc,a,x.x,a,x.x,a,x.x,ccc*hh<CR><LF>
1 2 3 4 5 6 7
1. Local datum (W84=WGS84 W72=WGS72 S85=SGS85 P90=PE90 999=User defined null)
2. Local datum subdivision code (No use)
3. Lat offset, min (No use)
4. N/S (No use)
5. Lon offset, min (No use)
6. E/W (No use)
7. Altitude offset, meters (No use)
8. Reference datum (No use)
ETL - Engine telegraph operation status
$--ETL,hhmmss.ss,a,xx,xx,a,x*hh<CR><LF>
1 2 3 4 5 6
1. Event time (UTC) (000000.00 to 235960.99)
2. Message type (O=order A=answerback)
3. Position indicator of engine telegraph
00 = Stop engine
01 = [AH] Dead Slow
02 = [AH] Slow
03 = [AH] Half
04 = [AH] Full
05 = [AH] Nav. Full
11 = [AS] Dead Slow
12 = [AS] Slow
13 = [AS] Half
14 = [AS] Fulll
15 = [AS] Crash Astern
4. Position indication of sub telegraph (20/30/40)
5. Operating location indicator (B=bridge P=port wing S=starboard wing C=engine control room
E=engine side/local W=wing, null)
6. Number of engine or propeller shaft (0 to 9)
GGA - Global positioning system fix data
$--GGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx*hh<CR><LF>
1 2 3
1. UTC of position (no use)
2. Latitude (0000.00000 to 9000.00000)
3. N/S
4. Longitude (0000.00000 to 18000.00000)
5. E/W
6. GPS quality indicator (1 to 8)
7. Number of satellite in use
8. Horizontal dilution of precision (0.0 to 999.9)
9. Antenna altitude above/below mean sealevel
10. Unit, m (No use)
11. Geoidal separation (No
12. Unit, m (No use)
13. Age of differential GPS data (0.00 to 999.99)
14. Differential reference station ID
AP-10
8
4 5 6 7 8 9 10 11 12 13 14
(No use)
(No use)
use)
(No use)