Occurs when the operating system detects that the compass needs calibration.
Assembly: Microsoft.Devices.Sensors (in Microsoft.Devices.Sensors.dll)
XMLNS for XAML: Not mapped to an xmlns.
The device’s compass sensor may occasionally require user-assisted calibration. If the HeadingAccuracy exceeds +/- 20 degrees, this event is raised. Applications should implement their own calibration user interface. For information about implementing compass calibration, see How to get data from the compass sensor for Windows Phone 8.