Samsung CF21MSBU-XBM - Manual (Page 24)

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 decrease the
contrast.
1 Push and hold in the Menu ( ) button for 10 seconds 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