Menu And Power Button Lock - Dell S3221QSA User Manual

Menu and Power button lock

Prevents users to access or change OSD menu settings on the display.
By default, the Menu and Power button lock setting is disabled.
To access the lock menu, press and hold the Exit button (button 4) for four seconds.
A lock menu appears at the bottom right corner of the display.
NOTE: The lock menu can be accessed using this method when the
Menu and Power buttons are in unlocked state.
To access the unlock menu, press and hold the Exit button (button 4) for four
seconds. An unlock menu appears at the bottom right corner of the display.
NOTE: The unlock menu can be accessed when the Menu and Power
buttons are in locked state.
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