Dell UltraSharp 25 Series User Manual page 49

Lock With the control buttons on the monitor locked, you
can prevent people from accessing the controls. It
also prevents accidental activation in multiple
monitors side-by-side setup.
• Menu Buttons: All Menu/function buttons
• Power Button: Only the Power button is locked
• Menu + Power Buttons: Both the Menu/
The default setting is Disable.
Alternative Lock Method [for Menu/function
buttons]: You can also press and hold the Menu/
function button next to the Power button for 4
seconds to set the lock options.
NOTE: To unlock the button(s), press and hold the
Menu/function button next to the Power button for
4 seconds.
Reset Menu Resets all OSD settings to the factory preset values.
(except the Power button) are locked and not
accessible by the user.
and not accessible by the user.
function & Power buttons are locked and not
accessible by the user.
Operating the monitor
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