Calibrating the Barometric Altimeter

Your watch was already calibrated at the factory, and the watch uses automatic calibration at your GPS starting point by default. You can manually calibrate the barometric altimeter if you know the correct elevation.

  1. Hold MENU.
  2. Select Settings > Sensors & Accessories > Altimeter.
  3. Select an option:
    • To calibrate automatically from your GPS starting point, select Auto Cal..

    • To enter the current elevation manually, select Calibrate > Enter Manually.

    • To enter the current elevation from the digital elevation model, select Calibrate > Use DEM.

      NOTE: Some watches require a phone connection to use DEM for calibration.
    • To enter the current elevation from your GPS location, select Calibrate > Use GPS.

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September 2025