Chapter 3 Configuring the System
3.2.1System SettingClick 
to configure basic settings.
You can see the current storage path. To change the path or add a new storage path, please click Add and select a desired folder. To delete a path, please select the path and click Delete. There must be at least one storage path.
The system will automatically recycle the oldest recorded file in storage path when free space is not enough to record one hour data.
Free space of each storage need to have at least 8 GB in the beginning.70