LevelOne WAP-0008 - Manual (Page 86)

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The other is Authorization mode, it means only authorized people can
access certain folders in the hard disk. With Authorization mode, you need
to edit user configuration to assign access right to privileged users. Besides,
you can also assign quota limit for every user in the authorization mode.
Note. The hard disk needs to be initialized when you activate authorization
mode by first time.
WARNING:
The initialization of hard disk will ERASE all data which have been stored
in the hard disk.