Lenovo T24t-20 23.8" 16:9 Multi-Touch IPS Display - Manual (Page 19)

Adjusting your monitor image
This section describes the user control features used to adjust your monitor image.
Using the direct access controls
The direct access controls can be used when the On Screen Display (OSD) is not displayed.
Icon Control Description
1
DDC-CI
Press and hold for 10 seconds to enable or disable the
DDC-CI function.
Exit Exit from menu.
2
Input Source Switches the video input source.
Up Up browsing key.
3
Brightness Direct access to Brightness adjustment.
Down Down browsing key.
4
Menu
To access OSD menu.
Press to confirm selection.
Press and hold for 10 seconds will lock menu/un-lock
menu.
Enter
Press to enter next level on main menu/sub menu
status or enter previous level on adjustment bar.
2-2 Flat Panel Monitor User’s Guide