Furuno FMD-3200 Operator's Manual page 440

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
2. Local datum subdivision code (NULL or one character)
3. Lat offset, min (0 - 59.99999)
4. N/S
5. Lon offset, min (0 - 59.99999)
6. E/W
7. Altitude offset, meters (No use)
8. Reference datum (W84=WGS84 W72=WGS72 S85=SGS85, P90=PE90)
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)
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 = 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 (000 to 100)
5. Operating location indicator (B=bridge P=port wing S=starboard wing C=engine control room
E=engine side/local W=wing
6. Number of engine or propeller shaft (000 to 100)
GGA - Global positioning system fix data
$**GGA,hhmmss.ss,llll.lll,a,yyyyy.yyy,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 - 9000.00000)
3. N/S
4. Longitude (0000.00000 - 18000.00000)
5. E/W
6. GPS quality indicator (1 - 8)
7. Number of satllite in use
8. Horizontal dilution of precision (0.0 - 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 - 999)
14. Differential reference station ID
AP-20
8
4 5 6 7 8
(No use)
(No use)
use)
(No use)
9 10 11 12 13 14