Resetting the Surface Pressure
The device automatically determines the surface pressure using the barometric altimeter. Large pressure changes, such as during a flight, can cause the device to automatically start a dive activity. You can reset the surface pressure if the device automatically starts a dive activity incorrectly.
- Hold LIGHT until the device turns off.
- Hold LIGHT to turn on the device.
- When the Descent™ logo appears, hold MENU until you are prompted to reset the surface pressure.
- Select Yes.