> 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="https://2222094320-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdEevfLZRIk38LUPwDa4V%2Fuploads%2F0xmepBd2H4swKVXmbTIO%2Fimage.png?alt=media&amp;token=c7aa9da3-4494-4a30-bf13-8dd49f01de7d" alt=""><figcaption></figcaption></figure>