> For the complete documentation index, see [llms.txt](https://docs.phoenixlidar.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.phoenixlidar.com/spatialexplorer-8-and-9/user-interface/windows/project/rover/imu.md).

# IMU

This field displays the IMU orientation in several different conventions. The IMU orientation displayed under **InertialExplorer Rotation** is used within NavLab Embedded. The PLP file will initially contain values that were [set by the rover profile](/spatialexplorer-8-and-9/user-interface/toolbars/rover/rover-settings-and-profiles/navigation-system.md#imu-orientation) (the values set during acquisition):

<figure><img src="/files/OGZCPx8ezKlkk7sDQZw1" alt=""><figcaption></figcaption></figure>