Dahua DHI-NVR5208-4KS2 User Manual page 180

Step 2 Select a channel, start time, end time, event type, and then click Smart search,
The search result is displayed.
Step 3 Click the picture that you want to play back.
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.
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 Mark.

 Go to the Face Properties and Person Details to view detailed information.
4.7.1.4 Human Body Detection
You can search the human body and search the alarm record during the specified period.
Step 1 Select Main Menu > AI > SMART SEARCH > HUMAN BODY DETECTION.
The Human Body Detection interface is displayed. See Figure 4-112.
Figure 4-111
Local Basic Operation 169