User`s manual

NVR8008X Enterprise Rack Mount NVR
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You can also configure the detailed settings for each group.
Auto Erase Recording / Day(s): The hard disk will automatically erase video after it has been on the
hard drive for the entered number of days.
Overwrite: Check the box to overwrite the hard disk when the capacity is used up to 99% (the
capacity does not include the locked space of the disk).
Lock %: Enter a percentage for a write protected segment of the hard disk (will not be overwritten).
However, this locked space is currently reserved.
For example, if you check the Overwrite box and you set 20% of the locked disk space, when the
disk is used up to 99% of the remaining 80% unlocked space, it will start overwrite the disk.
To save the IP camera recording to this disk group, please see below:
1. Go to the Live View page by clicking the Live View button, and then click Device
Detail.