Samsung SyncMaster 181T Owner's Manual page 23

On Screen Display
Menu
Brightness
Adjust the Brightness.
1 Push the Menu (
2 Push the Menu (
screen.
3 Use the + button to increase the brightness or - button to decrease
the brightness.
Contrast
Adjust the Contrast.
1 Push the Menu (
2 Push the - button or + button until the Contrast screen is displayed.
3 Push the Menu (
screen.
4 Use the + button to increase the contrast or - button to decrease
the contrast.
Note: Not Available This function doesn't work in Digital input.
How to adjust
) button.
) button to open the Brightness adjustment
) button.
) button to open the Contrast adjustment