LCD (flat panel)

Please adjust your monitor (LCD). (1) position monitor so that eyes view square straight on,        both vertically and horizontally. (2) Turn off / shade all light. (3) set contrast 50%. (4) adjust brightness so inner square is dark as possible, but not black.        the inner square will be just barely visible.

 

 

CRT (old style tube type monitor)

Please adjust your monitor (CRT). (1) Allow monitor to warm up ten - twenty minutes. (2) Turn off / shade all light. (3) Turn contrast all the way up. (4) adjust brightness so inner square is dark as possible, but not black.        the inner square will be just barely visible.