Furuno FMD-3200 Operator's Manual page 379

GNS - GNSS fix data
$**GNS,hhmmss.ss,llll.lll,a,IIIII.III,a,c--c,xx,x.x,x.x,x.x,x.x,x.x,a*hh<CR><LF>
1
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. Mode indicator (P, R, D, F, A, E, M, S)
N=No fix A=Autonomous D=Differential P=Precise R=Real Time Kinematic
F=Float RTK E=Estimated Mode M=Manual Input Mode S=Simulator Mode
7. Total number of satellites in use (No use)
8. HDOP (0.00 - 999.99)
9. Antenna altitude, meters (-999.99 - 9999.99)
10. Geoidal separation (No use)
11. Age of differential data (0 - 99)
12. Differential reference station ID (No use)
13. Naivgational status indicator (S=Safe, C=Caution, U=Unsafe, V=Not valid)
HDT - Heading, true
$**HDT, xxx.x,T*hh<CR><LF>
1 2
1. Heading, degrees (0.00 to 360.00)
2. True (T)
HTD - Heading/Track control data
$**HTD,A,x.x,a,a,a,x.x,x.x,x.x,x.x,x.x,x.x,x.x,a,A,A,A,x.x*hh<CR><LF>
1 2 3 4 5 6
1. Override, A = in use, V = not in use
2. Commanded rudder angle, degrees
3. Commanded rudder direction, L/R = port/starboard
4. Selected steering mode
5. Turn mode R = radius controlled
T = turn rate controlled
N = turn is not controlled
6. Commanded rudder limit, degrees (unsigned)
7. Commanded off-heading limit, degrees (unsigned)
8. Commanded radius of turn for heading changes, n.miles
9. Commanded rate of turn to heading changes, deg/min
10. Commanded heading-to-steer, degrees
11. Commanded off-track limit, n.miles (unsigned)
12. Commanded track, degrees
13. Heading reference in use, T/M
14. Rudder status (A = within limits, V = limit reached or exceeded)
15. Off-heading status (A = within limits, V = limit reached or exceeded)
16. Off-track status (A = within limits, V = limit reached or exceeded)
17. Vessel heading, degrees
MTW - Water temperature
$**MTW,x.x,C<CR><LF>
1
1. Water temperature, degrees C (-100.000 - 100.000)
2 3 4 5 6 7 8 9 10 11 12 13
7 8 9 10 11 12 13 141516 17
APPENDIX 3 DIGITAL INTERFACE
AP-21