Sending data to the autopilot
The autopilot has to be setup
Click on add (or double click on auto_ap).
Click on AP examp to load default settings for autopilot.
Select port ttyOP_AP
in Filter: What sentences are allowed to be received from the autopilot to OpenPlotter/kplex.
Most autopilots have there own fluxgate compass and rudder angle sensor. These data can be used from OpenPlotter.
More important is the
out Filter: What sentences are allowed to be send from OpenPlotter/kplex to the autopilot.
It is important to filter the sentences to reduce the transfer volume. NMEA0183 autopilots work normally with 4800 bauds. There's only space for a few sentences.
Which sentences are important?
RMB (way to selected waypoint send from a chartplotter)
RMC (minimum GPS data)
VHW (waterspeed and heading)
sometimes APA and APB