How to Check
Press verify compass
Point the aircraft
Use either cardinal directions (N,E,S,W) or use landmarks that are on shown on the map.
aim the aircraft by holding it and pointing it directly at the direction or landmark being checked.
Confirm
Verify the icon on the screen is pointing in the expected direction.
When using cardinal directions verify the compass icon in the upper right hand corner of the screen matches the direction.
When using landmarks verify the landmark on the screen is within the highlighted regions projection.
Troubleshooting
If the compass is not reading the expected direction within +/-10 degrees, calibrate the compass before flight.