Dahua D-XVR8208A-4K-I, User Manual

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Local Configurations 149
and then click to start playing back the recorded detected face snapshots. Step 5
Double-click on the playing interface to switch between full screen playing and
thumbnail playing.
You can also do the following operations to the recorded files.

To export the database file (.csv) to the external storage device, select files, click
Export , and then select the save path.

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 . See Figure 5-136.
Figure 5-136
 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 .
5.11.2 Face Recognition
Face recognition applies to AI preview mode and smart search.

AI preview mode: Supports comparing the detected faces with the face library, and display
the comparison results.
 Smart search: Supports faces searching by faces attributes or portraits.
 Face recognition function supports only four analog channels.

Face Recognition cannot be enabled at the same time with and IVS function for the same
channel.
 Before enabling face recognition function for a channel, the face detection must be
enabled first for this channel.