It is required to calibrate the Compass for the first time. Or if you are using the compass in a new environment.
Calibration procedure: tap on the Calibration tab
Place the device in the Horizontal position, click on Start, and rotate the device according to the image below.
The horizontal calibration status will change from “Ready” to “Calibration Started”. Rotate the device in the Horizontal position.
You will hear a "sound chime" to alert you to begin the Vertical calibration.
Rotate the device according to the image below; the Vertical calibration status will change from "Calibration Started" to "Calibration Finished". You will hear a second "sound chime" to alert you that the Vertical calibration was complete.
The calibration process is now complete.
You will now be able to use the compass. You will be automatically redirected to the compass screen.