Changes
The Compass internally utilizes the accelerometer and magnetometer to estimate the device orientation in relation to the magnetic north. As the compass is vulnera-ble vulnerable to external influences, it is recommended to disable the Compass in the pres-ence presence of strong magnetic fields.
== Characteristics ==
== Compass Calibration ==
To compensate the offset between real and estimated device orientation, the com-pass compass offset can be calibrated, by one of these three mechanisms:
* Manually specify the compass offset in the [[Settings]].
* Once the [[POI_View#Compass_calibration_button|Compass Calibration Button]] in the [[POI_View|POI View]] is clicked, the Compass will behave as if the current heading was north.
* Once an [[AR-Marker]] , used for device pose estimation , is scanned, the Compass offset is automatically calibrated.
