Dell P2223HC 21.5" 16:9 IPS Monitor - Manual (Page 73)

Troubleshooting
│
73
Using the joystick to lock/unlock buttons
Locking the power and joystick buttons
You can lock the joystick and power buttons to prevent access to the OSD menu
and/or power off the monitor.
To lock the buttons:
1. Toggle and hold the joystick to the up or down or left or right for about 4
seconds until a pop menu appears.
2. Select one of the following options:
• Menu Buttons : All joystick functions are locked and not accessible by the
user.
• Power Buttons : Only the Power Button is locked and not accessible by
the user.
• Menu + Power Buttons : Both the joystick & the Power Button are locked
and not accessible by the user.