MARQ AVIATOR Owner’s Manual

Altimeter Settings

Hold MENU, and select Sensors & Accessories > Altimeter.

Barometer: Allows you to set the barometric pressure manually, or select a value from the nearest METAR station through the Garmin Connect Mobile app.

Altitude Alert: Sets an alarm to vibrate when you reach a specified altitude.

O2 Alert: Sets an alarm to vibrate when you reach a low-oxygen altitude.

Sync to Elevation: Allows you to synchronize the device to your current elevation manually.

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 the digital elevation model, select Calibrate > Use DEM.
    • 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.