SUUNTO D6 - Manual (Page 30)

ADJUST WITH UP
AND DOWN. ACCEPT
WITH SELECT.
Calibration
Because of changes in the surrounding magnetic field, the Suunto D6 electronic
compass occasionally needs to be re-calibrated. During the calibration process, the
compass adjusts itself to the surrounding magnetic field. As a basic rule, you should
calibrate the compass whenever it doesn’t seem to operate properly, or after replacing
the dive computer's battery.
Strong electromagnetic fields, such as powerlines, stereo speakers, and magnets can
affect the compass calibration. It is therefore advisable to calibrate the compass if
your Suunto D6 has been exposed to these fields.
NOTE When traveling overseas, it is recommended that you recalibrate
the compass at the new location before using it.
NOTE Remember to hold the Suunto D6 level during the calibration
process.
To calibrate the compass:
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