Watermark allows Users to check for validity of footage to determine whether or not any modifications were ever performed to the native footage. Any videos exported by Nx Witness (either single Cameras or Multi-Videos) can be checked for validity.
To check the validity of exported videos:
1.Bring the desired video onto the scene
2.Open Context Menu and select Check File Watermark (or press Alt + C)
3.If the file is in its original state, the check will succeed:
4.If any modifications took place, the check will fail: