Zyxel NSA-2401 Guide De Démarrage Rapide page 16

ENGLISH
You may access the wizard again by clicking on the icon in the top-right of the
screen as shown. Access any of the menus in the navigation panel on the left
for more advanced configuration.
See your User's Guide for more information on these advanced
screens.
Although the hard drives are hot-swappable, it is recommended that you use
the web configurator to shut down a hard drive before removing it. If you are
not using RAID, notify the users before you remove a drive.
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