Dell C2722DE 27" 16:9 IPS Video Conferencing Monitor - Manual (Page 63)

Operating the monitor | 63
Using the OSD lock function
You can lock the front-panel control buttons to prevent access to the OSD menu and/
or power button.
Use the Lock menu to lock the button(s).
1. Select one of the following options.
Power Button
Menu + Power Buttons
Disable
Rotation
Reset Menu
Timer
Menu Buttons Lock
Transparency
Language
Exit
24/27/34 Monitor
Input Source
Color
Brightness/Contrast
Display
PIP/PBP
Personalize
Others
Menu
USB
Audio
2. The following message appears.
Are you sure you want to lock the Menu Buttons?
To unlock the Button, refer to the User’s Guide.
Yes
No
3. Select Yes to lock buttons. Once locked, pressing any control button will display
the lock icon .