Epson 600 - Manual (Page 52)

Advanced Scanning
Page 45
Contrast Controls the extreme ranges of the
gradation curve without affecting the
middle tones.
Brightness Adjusts the overall lightness or
darkness of the image.
Move the slider bar to the right to
increase brightness (raise every
point along the gradation curve).
Move the slider bar to the left to
decrease brightness (lower every
point along the gradation curve).
Highlights Controls only the points to the far
right on the gradation curve. Adjust
these anchors with the slider when
you want to adjust white areas
without affecting shadows.
Midtones Adjusts the three anchor points in the
middle of the curve without affecting
the values of the highlight or shadow
points. When the midtone slider is
used, all three of these points are
adjusted in relation to each other.
TWAIN.bk : advanced.fm5 Page 45 Monday, September 8, 1997 2:06 PM