Dell NSA E5500 Getting Started Manual page 15

The Restore Defaults option will reset the appliance to default
factory settings. If selected it will prompt for confirmation twice
before restoring defaults.
If an option is selected but not modified, the appliance will
display a message stating that no changes were made and will
return the user to the edit value screen. If a change was made,
it will prompt the user for confirmation before effecting the
change.
Restart
This option allows you to safely restart without resorting to
power cycling the appliance. Once selected, the LCD will
display a confirmation prompt. Select Y for yes and press the
Right button to confirm. The appliance will reboot.
SafeMode
This option will set the appliance to SafeMode. Once selected,
the LCD will display a confirmation prompt. Select Y for yes and
press the Right button to confirm. The appliance will change to
SafeMode. Once SafeMode is enabled, the NSA E5500 must
be controlled from the Web management interface.
15 | Front Bezel Control Features
Screen-Saver
If no button is pressed for over 60 seconds, or if the Left button
is pressed from the Main Menu, the appliance will enter Screen-
Saver mode. In this mode, the Status List will cycle, displaying
every entry for a few seconds.
If the Up or Down button is pressed while in Screen-Saver
mode, the appliance will display the adjacent status entry.
To exit Screen-Saver mode, press the Right button.