Vivotek ND9542P 32-Channel 4K UHD NVR (No HDD) - Manual (Page 89)

VIVOTEK - Built with Reliability
User's Manual - 89
5. The search results will display as thumbnail images. To view each short video clip, click on
the thumbnail. The playback video window is located on the right. Click on the Expand/Shrink
button
to watch the video in a full screen.
You can use the Esc button to leave the full screen. Click to select another thumbnail, or use
the < or > buttons to view the previous or successive clips.
The default for the event recording setting is 5 seconds for pre-event, and 20 seconds for the
post-event recording. You may change the parameters if the need should arise.
You may then select clips of your interest and click the "Select clips to export" button. The
associated clips can be exported to a USB thumb drive.