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Use the front-panel control button to lock the button(s).
2
5
3
4
1
1. Press and hold button 4 for four seconds, a menu appears on the screen.
Dell 27 Monitor
Select option:
+
2. Select one of the following options:
Control Buttons
Description
1
Select this option to lock OSD menu function.
Menu Buttons lock
2
Use this option to lock power button. This will
prevent the user to turn off the monitor using
the power button.
Power Button lock
36 │ Operating your monitor