Dell P2225H User Manual page 72

Lock
Reset Menu
│
72 Operating the monitor
With the control buttons on the monitor is locked, you
can prevent others from accessing the controls.
• Menu Buttons: All joystick functions are locked and
not accessible by the user.
• Power Button: Only the Power button is locked and
not accessible by the user.
• Menu + Power Buttons: Both the joystick & Power
button are locked and not accessible by the user.
The default setting is Disable.
Alternative Lock Method: You can move and hold the
joystick up or down or left or right for 4 seconds to set
the lock options using the pop-up menu, and then press
the joystick to confirm the configuration.
NOTE: To unlock, move and hold the joystick up or
down or left or right for 4 seconds, and then press the
joystick to confirm the changes and close the pop-up
menu.
Resets all OSD settings to the factory preset values.