User’s Guide

34 Operating your monitor
To unlock the button(s).
Press and hold 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.
Dell 24 Monitor
Select option:
Dell 24 Monitor
Select option:
Dell 24 Monitor
Select option:
Options Description
1
Menu Buttons unlock
Use this option to unlock OSD menu function.
2
Power Button unlock
Use this option to unlock power button.
3
Menu and Power Buttons
unlock
Use this option to unlock OSD menu and power button.
4
Built-in Diagnostics
Use this option to run the built-in diagnostics, see Built-
in diagnostics.