Calibrating Your Speed Sensor
Before you can calibrate your speed sensor, you must pair your device with a compatible speed sensor (Pairing Your Wireless Sensors).
Manual calibration is optional and can improve accuracy.
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Hold
.
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Select
> Sensors > Speed/Cadence > Wheel Size.
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Select an option:
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Select Auto to automatically calculate your wheel size and calibrate your speed sensor.
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Select Manual, and enter your wheel size to manually calibrate your speed sensor (Wheel Size and Circumference).
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