Dell S2721QSA User Manual page 54

Menu
Language
Transparency
Timer
│
54 Operating the monitor
Select this option to adjust the settings of the OSD,
such as, the languages of the OSD, the amount of
time the menu remains on screen, and so on.
Sets the OSD display to one of the eight languages
(English, Spanish, French, German, Brazilian
Portuguese, Russian, Simplified Chinese, or
Japanese).
Select this option to change the menu transparency
by pressing the
100).
Sets the length of time the OSD will remain active
after the last time you pressed a button.
Use or to adjust the slider in 1 second
increments, from 5 to 60 seconds.
and buttons (min. 0 / max.