AVer ExpressGo - Manual (Page 38)

32
2.2.6 Watermark Verification
DVR system supports watermark-checking to identify the authenticity of playback video. DVR system
can only verify one channel at a time in playback mode.
To verify
the playback video doesn’t been modified. Click
to check the video. Watermark
verification window will show up as following:
i
Watermark verification doesn’t support the video that is recorded from MPEG IP camera.