Dell P2723D 27" 1440p Monitor - Manual (Page 53)

Operating your monitor │ 53
Select option:
There are three lock options.
Menu Description
1 Menu Buttons When Menu Buttons is selected, the OSD menu
settings cannot be changed. All buttons are locked
except Power button.
2 Power Button When Power Button is selected, the display cannot
be turned off using the Power button.
3 Menu + Power
Buttons
When Menu + Power Buttons is selected, the OSD
menu settings cannot be changed and the Power
button is locked.
NOTE: To access the Lock or Unlock menu – Press and hold the Up or
Down or Left or Right direction for four seconds.
In the following scenarios, the icon appears at the center of the display:
• When Up or Down or Left or Right direction are pressed. This indicates the
OSD menu buttons are in lock state.
• When the Power button is pressed. This indicates the Power button is in lock
state.
• When Up or Down or Left or Right direction or Power button are pressed.
This indicates OSD menu buttons and the Power button is in lock state.