6. Bring up the Menu "Calibrating"
Select >>calibrate<< and press the button -1- to confirm.
The following will appear in "calibrate" :
-- Press the button -1-.
-- Drive in a full circle at a speed of less than 10 mph (20 km/h).
"CAL" is indicated at the top in the display, next to the arrow for direction.
After completing the calibration, the indication "CAL" is replaced by the actual direction (for example "N" for North).