+ If you enable this option, the autopilot will automatically set the declination based on your current + location. A GPS or other absolute positioning system is required. +
++ This does a "quick" calibration of your compass. + You need to point your vehicle North,and then click the button. + This results in a much less accurate calibration, but is also much faster. + It can be a good starting point for calibration, followed by CompassLearn. +
++ This allows automatic "calibration" of compass offsets. You need to have a valid world position. + In order to use this option, click the following button and then driver the vehicle around until you + see the message "CompassLearn: finished" +
++ This does a full calibration of the compasses. + It requires you to spin the vehicle around manually multiple times. + You need move the vehicle around in all 3 axis. +
++ This used logs from previous flights to calibrate the compasses. + This usually gives the best results. + While it is not currently implemented here. It can be done either in + Ardupilot WebTools and + LogViewer. +
+Bus: 0x{{ compass.address }} @ {{ compass.busType }}{{ compass.bus }}
+