Samsung 1100DF Brightness/Contrast, OSD lock/unlock

On-Screen Display
Adjust Brightness and Contrast.
1 Push the () or ( ) button. The brightness/contrast display
will appear.
2 Push the button to increase the brightness or the button to decrease
the brightness.
3 Push the button to increase the contrast or the button to decrea se the
contrast.
1 Push and h old in the Menu ( ) button for 10 secon ds or more to Lock
the OSD.
(In this case, even if you click the Menu button( ), the control screen
will not be printed.)
2 Push and hold in the Menu ( ) button for 10 seconds or more to
UnLock the OSD.
Menu How to adjust
Brightness/Contrast
OSD lock/unlock