Dell C2722DE 27" 16:9 IPS Video Conferencing Monitor - Manual (Page 66)

66 | Operating the monitor
Front-panel button
Use the buttons on the front of the monitor to adjust the image settings.
Front Panel Description
1
Up Down
Use the Up (increase) and Down (decrease) buttons to
adjust items in the OSD menu.
2
Previous
Use the Previous button to go back to the previous
menu.
3
Next
Use the Next button to confirm your selection.
4
Tick
Use the Tick button to confirm your selection.