Samsung SyncMaster 731B, 931B, 731BF, 931BF Owner's Manual page 54

Menu
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,
Brightness
push the button to adjust brightness.
>> Click here to see an animation clip
MENU
You can use the on-screen menus to change the contrast
according to personal preference.
Contrast
MENU
Color
Description
→ → → →
, MENU
→ → → → →
, , MENU
Play/Stop