Planet Technology 2-Bay SATA NAS RAID Server NAS-7200 - Manual (Page 50)

Operation
To Add Access
Rights Select the Group or Groups in the right-hand column, then click the "<<
Read Access" to provide Read-Only access, or the "<< R/W Access"
Button to provide Read-Write access. Multiple Groups can be selected
by holding down the CTRL Key while selecting.
To Remove Access
Rights Select the Group or Groups in the left-hand column, then click the "No
Access >>" Button. Multiple Groups can be selected by holding down
the CTRL Key while selecting.
When finished, click the "Close" Button.
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