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Suunto Ambit2 automatically calibrates your power POD when it finds the POD. You can also calibrate the power POD manually at any time during an exercise.
To manually calibrate a power POD:
Suunto Ambit2 starts calibrating the POD and indicates if the calibration succeeded or failed. The bottom row of the display shows the current frequency used with the power POD. The previous frequency is shown in parentheses.
If your power POD has an auto zero feature, you can turn this on/off through your Suunto Ambit2.
To set auto zero on/off:
You can calibrate the slope for power PODs that use Crank Torque Frequency (CTF).
To calibrate the slope: