Dell SE2722H 27" 16:9 LCD Monitor - Manual (Page 37)

Operating your monitor │ 37
Dell 27 Monitor
Select option:
+
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.
3
Menu and Power
Buttons lock
Use this option to lock OSD menu and power
button to turn off the monitor.
4
Built-in Diagnostics
Use this option to run the built-in diagnostics,
see
Built-in diagnostics
To unlock the button(s).
Press and hold Built-in diagnostics button ( button 4 ) for four seconds until a
menu appears on the screen. The following table describes the options to unlock
the front-panel control buttons.