User`s manual

88 Microtek ScanWizard Pro for Mac OS X
Check to enable the Saturation Range
option. Then drag the sliders or enter the
values in the edit boxes to define the
saturation (chroma) range. The colors
outside the chroma range will not be
affected by the Gradation curve
In this example, the lower chroma
section (0 to 50) will be affected by the
Gradation adjustment. The higher
chroma section (51 to 100) outside the
chroma range will not be affected
Defining a chroma range is helpful if you
wish to prevent images from losing
saturation or color intensity
Click to create handles from
which to drag and manipulate
a portion of the curve . The
more handles are created, the
easier and smoother it is to
manipulate the curve. To
remove a handle, drag it off
the graph or the grid
Click Auto to let
ScanWizard Pro
calculate the
Gradation setting
automatically
Coordinates of cursor
position within the grid
Choose the method you
wish to display the gradation
curve. Select from Curve,
Line, or Gamma
Gradation tool cont.