QNAP Security VioStor NVR (Version: 3.3.2) - Manual (Page 109)

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5.2 Digital Watermarking
The NVR supports digital watermarking to protect the videos and snapshots from
unauthorized modification. You can add digital watermark on the exported video and
snapshot by VioStor Player. A permanent digital signal will be added to the exported files
for digital watermarking. The watermark cannot be removed and is only visible to
watermark proof software.
5.2.1 Export Files with Digital Watermark
To use digital watermarking by VioStor Player, follow the steps below.
1.
Click ‘Playback’ to open VioStor Player.
2. Click ‘Settings’ .