2.8-inch Linux Visible Light Product User Manual 35
Delete Blacklist Photo
To delete the photos taken during verifications which are failed.
Delete All Data
To delete information and access records of all registered users.
Delete Admin Role
To remove administrator privileges.
Delete Access Control
To delete all access data.
Delete User Photo
To delete all user photos in the device.
Delete Wallpaper
To delete all wallpapers in the device.
Delete screen savers
To delete the screen savers in the device.
Note: When deleting the access records, attendance photos or blacklisted photos, you may select Delete All or
Delete by Time Range. Selecting Delete by Time Range, you need to set a specific time range to delete all data with
the period.
Select Delete by Time Range. Set the time range and Select Confirm(OK).
8.2 Backup Data
Select Backup Data on the Data Mgt. interface.