Dahua NVR52-4KS2 Series User Manual page 458

Step 4 Click Export.
There is a folder under the name style of "Config_xxxx". Double-click this folder to view
the backup files.
5.19.4.3 Restoring Defaults
5.19.4.3.1 Restoring Defaults on the Local Page
Background Information
This function is for admin account only.
You can restore the Device to default settings on the local page.
Procedure
Select Main Menu > Maintenance Center > Manager > Default.
Step 1
Figure 5-321 Connected USB device
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User's Manual