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