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There are three levels of lock.
Menu
1
Menu Buttons
2
Power Button
3
Menu + Power
Buttons
+
4
Built-in Diagnostics See
NOTE: To get into the Lock or Unlock menu – Press and hold the Exit
key (button 4) for 4 seconds.
The
icon will appear on center of display screen when in the following
conditions which mean Menu and Power buttons is in lock state.
1. Press the Up key (button 1), Down key (button 2), Menu key (button 3) or Exit
key (button 4) when in "Menu Buttons" lock state.
2. Press the Power key (button 5) when in "Power Button" lock state.
3. Press any button of the monitor when in "Menu + Power Buttons" lock state.
50
│
Operating your monitor
Dell 27 Monitor
Select Option:
Description
When "Menu Buttons" is selected, no user
adjustments are allowed. All buttons are locked except
Power button.
When "Power Button" is selected, user is now not able
to turn off the display via Power button.
When "Menu + Power Buttons" is selected, no user
adjustments are allowed and the Power button is
locked.
Built-in diagnostics
for more information.
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