Furuno VR-7000 Installation Manual page 90

APPENDIX 4 DIGITAL INTERFACE
HTC - Heading/Track control command
$--HTC,A,x.x,a,a,a,x.x,x.x,x.x,x.x,x.x,x.x,x.x,a,a*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. Sentence status
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*hh<CR><LF>
1
1. Water temperature, degrees C (-9.999 to 99.999)
AP-20
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