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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 22 Monitor
Select option:
Dell 22 Monitor
Select option:
Dell 22 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
.