Dell S2421Ht - Page 34

34 | Operating the 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 24/27 Monitor
Select Option:
Dell 24/27 Monitor
Select Option:
Dell 24/27 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 to turn off
the monitor.
3
Menu and Power Buttons
unlock
Use this option to unlock 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.