Microtek 35t plus User Guide

Here, points along the curve
have been moved up, so that
pixels are lightened as they are
plotted to new points. The net
effect creates a lighter image.

Here, points along the curve
have been moved down, so that
pixels are darkened as they are
plotted to new points. The net
effect creates a darker image.

Here, the original curve is
a straight diagonal,
indicating that input and
output values are equal.