Alienware AW3821DW 37.5" 1600p 144 Hz Curved Gaming Monitor - Manual (Page 51)

Operating the monitor | 51
Menu 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.
Language Sets the OSD display to one of the eight languages
(English, Spanish, French, German, Brazilian
Portuguese, Russian, Simplified Chinese, or Japanese).
Transparency Select this option to change the menu transparency by
moving the joystick up or down (min. 0/max. 100).
Timer Sets the length of time for the OSD to remain active
after you move the joystick or press a button.
Move the joystick to adjust the slider in 1 second
increments, from 5 to 60 seconds.
Reset Menu Resets all settings under the Menu menu to the factory
defaults.