Samsung AN19LS9L-USM - Manual (Page 23)

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.
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