Schwinn MPower Echelon2 Service Manual page 62

Performing Zeropoint calibration:
1. Power on the console
2. Enter the service menu by holding down the
STAGE and AVG/MAX buttons together for about
4-6 seconds.
3. Once in the service menu, use the AVG/MAX
button to scroll to the CALBRATE menu. Press and
release the LIGHT button to enter the menu
4. Scroll to CALIBRATE ZEROPOINT option and press
the LIGHT button.
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