Furuno FE-800 - 2. SYSTEM MENU; Basic Range Scale Settings

APPENDIX 2 DIGITAL INTERFACE
AP-3
ACK: Acknowledge alarm
GGA: Global positioning system (GPS) fix data
GLL: Geographic position. Latitude/longitude
HBT: Heartbeat supervision sentence
RMA: Recommended minimum specific LORAN-C data
$**ACK,xxx *hh<CR><LF>
1
1. Unique alarm number (identifier) at alarm source
$ ** 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 4 5 6 7 8 9 10 11 12 13 14
1. UTC (no use)
2. Latitude
3. N/S
4. Longitude
5. E/W
6. Quality index
7. Satellites used (no use)
8. DOP (no use)
9. Antenna height above the sea level (no use)
10. Unit (M) (no use)
11. Geoid height (no use)
12. Unit (M) (no use)
13. Age of differential GPS date (no use)
14. Differential reference station ID (no use)
$ ** GLL, llll.ll, a, yyyyy.yyy, a, hhmmss.ss, A, x *hh <CR><LF>
1 2 3 4 5 6 7
1. Latitude
2. N/S
3. Longitude
4. E/W
5. No use
6. Status (A: Data valid)
7. Mode indicator (A: Autonomous, D: Differential mode)
$**HBT,x.x,A,x*hh<CR><LF>
1 2 3
1. Configured repeat interval (1 to 999)
2. Equipment status (A=Normal V=System fail)
3. Sequential sequence identifier (0 to 9)
$**RMA,A,llll.ll,a,yyyyy.yy,a,x.x,x.x,x.x,x.x,x.x,a,a*hh <CR><LF>
1 2 3 4 5 6 7 8 9 10 1112
1. Status: A=Data valid
2. Latitude, degrees (0.0000 to 9000.0000)
3. N/S
4. Longitude, degrees (0.0000 to 18000.0000)
5. E/W
6. No use
7. No use
8. Speed over ground, knots
9. Course over ground, degrees true
10. Magnetic variation, degrees
11. E/W
12. Mode indicator (A= Autonomous D= Differential mode)