DVR systems NVR38xx Series - Manual (Page 107)

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Please note system can not restore some information such as network IP address.
Figure 8-38 Default and Backup
Please refer to the following sheet for detailed information.
Parameter Function
Select All Restore factory default setup.
Export
Configuration Export system configuration to local PC.
Import
Configuration Import configuration from PC to the system.
8.3.3 Advanced
8.3.3.1 HDD Management
Please select the storage device first and then you can see the items on your right become valid.
You can check the corresponding item here. See Figure 8-39.