Samsung LS20HABKBQ-XAA - Manual (Page 28)

Menu Description Play/Stop
Brightness
You can use the on-screen menus to change the
brightness according to personal preference.
Direct Access Feature : When OSD is not on the screen,
push the button to adjust brightness.
Contrast
You can use the on-screen menus to change the contrast
according to personal preference.
Color
Menu Description Play/Stop