Dell E2723H 27" Monitor - Manual (Page 36)

36 │ Operating your monitor
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
Menu Buttons lock
Select this option to lock OSD menu function.
2
Power Button lock
Use this option to lock power button. This will
prevent the user to turn off the monitor using
the power button.