SUUNTO AMBIT2 S User Guide - Manual (Page 55)

The compass will switch itself to power saving mode after one
minute. Reactivate it with [Start Stop].
For information on using compass during exercise, see
10.6.4 Using
compass during exercise .
9.1 Calibrating compass
COMPASS mode asks you to calibrate the compass before you start
using it. If you have already calibrated the compass and want to re-
calibrate it, you can access the calibration option in the options
menu.
To calibrate the compass:
1. Keep [Next] pressed to enter the options menu.
2. Scroll to GENERAL using [Light Lock] and enter with [Next].
3. Scroll to Compass using [Start Stop] or [Light Lock] and enter
with [Next].
4. Press [Next] to select Calibration.
5. Turn and tilt the watch in multiple directions until the watch
beeps, indicated calibration is complete.
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