Calibrating the Barometric Altimeter

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

  1. From the altimeter widget, hold MENU.
  2. Select Options.
  3. Select an option:
    • To enter the current elevation, select Calibrate > Yes.

    • To calibrate automatically from your GPS starting point, select Calibrate > Use GPS.

    • To allow the altimeter to self-calibrate each time you turn on GPS tracking, select Auto Cal. > On.

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