QNAP Security VioStor NVR (Version: 3.3.2) - Manual (Page 59)

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3.4 Video Playback
You can play the videos on the NVR by the local display. To use this feature, click
on the monitoring screen. Most of the icons on the playback screen are the same as those
on the monitoring screen. Please refer to Chapter 3.2 for the icon description.
Note: You must have the playback access right to the IP cameras to play the videos. You
can login the NVR as admin and edit the playback access right in ‘User Management’ by the
web-based administration interface.
When the playback screen is shown, select a camera channel on the NVR. Next, select the
date and time of the video, click to start searching. The videos which match the
search criteria will be played automatically.