Dahua Technology DH-XVR71 H-4K-I2 Series, User Manual

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User’s Manual
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Click to play back the recorded video.
Double-click on the playing page to switch between full screen playing and thumbnail
playing.
You can also do the following operations to the recorded files.

To back up the recorded files to the external storage device, select files, click Backup,
select the save path and file type, and then click Start.
Backup

To lock the files to make it unable to be overwritten, select the files, and then click Lock.

To add a mark to the file, select the files and then click Add Tag.
5.11.2.4 Video Structuring
The device can detect and extract key features from the human bodies and non-motor vehicles in the
video, and then build a structured database. You can search any target you need with these features.
5.11.2.4.1 Configuring Video Structuring
Select Main Menu > AI > Parameters > Video Structuring.