Dahua DHI-NVR5208-4KS2 User Manual page 182

Step 4 Select one or multiple results, and then you can
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.
4.7.1.5 Vehicle Detection
You can search according to the vehicle parameters and search the alarm record during the
specified period.
This function is for some series products only.
Step 1 Select Main Menu > AI > SMART SEARCH > VEHICLE DETECTION.
The VEHICLE DETECTION interface is displayed. See Figure 4-114.
Figure 4-113
Local Basic Operation 171