[TUTO] - 9X COMPASS - EN

How do I calibrate the 9X Compass?
In this tutorial, Henry is calibrating his 9X compass and explains the full procedure:
- How does the 9X compass measure magnetic heading?
- Why do we need to do a magnetic calibration?
- What happens if my magnetic calibration isn't correct?
- What kind of elements disturb the eath's magnetic field?
- Where do we install a compass in a boat?
- The magnetic autocompensation (2D and 3D)
- How to check the quality of autocompensation?
- The magnetic deviation table