The buttons and their functionality are:
Button
Function when OSD is not displayed:
Function when OSD is displayed:
Menu
Display OSD main menu
Return to previous OSD menu
Display OSD Brightness submenu
Decrease value of selected parameter /
select previous menu item
Display OSD Contrast submenu
Increase value of selected parameter /
select next menu item
Select Auto
Adjust
Select parameter for adjustment /
select submenu to enter
User Manual: 1523L, 1723L
SW601951 Rev A, Page 17 of 29