Eyemax TVST PVT3-04N5 User Manual page 79

3) HDD
Display the information and usage of the hard disk drives.
Display the HDD usage being used for the product. If you press the
Total
'Enter' button on here, all the hard disk drives will be formatted.
HDD Check Check the HDD.
Determine whether you want to continue recording if there is no
HDD
Overwrite spare saving space at hard disk drives.
If you install two hard disk drives, you can set the second drive as a
Disk
backup drive by mirroring. The mirrored disk size will be the same
Mirroring
or greater than master HDD.
You can select the holding period of the data. If you choose 'OFF',
Auto Deletion
the NVR keep the maximum data regarding the HDD capacity.
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CH 3 How to Use