Applications
Manually calibrating the altitude
You can manually calibrate the measured altitude.
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Swipe to the left to open the settings screen.
Tap CHANGE >.
Tap Manual calibration and tap the Manual calibration switch to activate it.
Tap Altitude and set the reference value.
The altitude is calibrated based on the entered reference value.
Measuring the atmospheric pressure
Measure the current atmospheric pressure and view a graph of changes over the last 6 hours. You can anticipate any changes to the weather using the pressure prediction gauge.
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On the Apps screen, tap 
Swipe to the left to open the barometer screen.
The atmospheric pressure measured may not be accurate if water or foreign materials enter the pressure relief vent (atmospheric pressure sensor). If there is any detergent, sweat, or raindrops on the Gear, rinse it with clean water and dry the pressure relief vent (atmospheric pressure sensor) thoroughly before use.
Current atmospheric pressure
Changes in atmospheric 
pressure
Pressure prediction
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