Calibrating Your Speed Sensor

Before you can calibrate your speed sensor, you must pair your watch with a compatible speed sensor (Pairing Your Wireless Sensors).

Manual calibration is optional and can improve accuracy.

  1. Hold Letter B symbol.
  2. Select Settings symbol > Sensors & Accessories > Speed/Cadence > Wheel Size.
  3. 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 (Wheel Size and Circumference).

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