Dahua Technology DH-XVR1B04-I - Page 215

User's Manual
199
Figure 5-156 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
.
Search by Picture
1. Select
Main Menu
>
AI
>
AI Search
>
Face Recognition
>
Search by Picture
.
Figure 5-157 Search by picture
2. Upload face pictures from
Face Database
or
Local Upload
.