SUUNTO AMBIT2 S User Guide - Manual (Page 27)

6.2 Using GPS timekeeping
GPS timekeeping corrects the offset between your Suunto Ambit2 S
and the GPS time. GPS timekeeping corrects the time automatically
once a day, or after you have adjusted the time manually. Also the
dual time is corrected.
NOTE: GPS timekeeping corrects the minutes and seconds, but
not the hours.
NOTE: GPS timekeeping corrects the time accurately, if it is less
than 7.5 minutes wrong. If the time is wrong more than that, GPS
timekeeping corrects it to the closest 15 minutes.
GPS timekeeping is activated by default. To deactivate it:
1. In the options menu, go to GENERAL, then to Time/date and GPS
timekeeping.
2. Set the GPS timekeeping on or off with [Start Stop] and [Light
Lock]. Accept with [Next].
3. Go back to the settings with [Back Lap], or keep [Next] pressed
to exit the options menu.
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