Dell P2425E - Locking the control buttons

88  │  Operating the monitor
Locking the control buttons
You can lock the monitor control buttons to prevent access to the OSD menu and/
or power button.
1. Mo
ve and hold the joystick up or down or left or right for about 4 seconds
until a pop-up menu appears.
2. Move the joystick to select one of the following options:
3. Pr
ess the joystick to confirm the configuration.
To unlock, move and hold the joystick up
or down or left or right for about 4
seconds until a menu appears, and then select
to unlock and close the pop-up
menu.
• : The OSD menu settings are locked and not accessible.
•
: The power button is locked.
•
: The OSD menu settings are not accessible and the power button is
locked.