Version 4.4.0 — June 2011

Version 4.3.2 — March 2011

A firmware bug was corrected that caused bad inclination algorithm parameters to be configured during manufacturing. This manifests as a device always indicating a standing (1) value. Devices that were updated in the field will NOT have this issue. Any devices affected by this configuration defect will be detected and corrected automatically after updating the firmware to this version.

Version 4.3.0 — December 2010

Version 4.2.0 — August 2010