How to calibrate the compass on the Shearwater Peregrine TX dive computer.
1. Find magnetic north using a compass
2. Find compass setting in Peregrine TX (System Setup / Compass Display / Calibrate)
3. Calibrate and confirm
4. Rotate Peregrine TX on all three axis TOWARDS magnetic north
-forward, sideways, and on edge
5. Continue rotating the Peregrine TX in random directions for remaining calibration time
6. Check the Peregrine TX against the compass
