Dahua NVR41 series

User's Manual
204
The human face in the image is pixelated. The actual image is clear.
Figure 4-115
Step 4 Click the picture that you want to play back.
The picture with registered information is displayed.
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 Tag
.
● Go to the
Face Properties
and
Person Details
to view detailed information.
4.7.1.3 IVS
You can search and playback the alarm record files.
Step 1 Select
Main Menu
>
AI
>
AI Search
>
IVS
.
The
IVS
interface is displayed. See Figure 4-116.