Xerox C8 - DocuPrint Color Inkjet Printer User Manual page 373

Color Tools 359
Gradation Graph
Spire CXP8000 color server gradation tables are represented visually in the
Gradation dialog box in the form of a graph:
Modified gradation graph
DefaultGradTable (Input equals Output)
The horizontal axis represents the tone values of the image before
gradation changes (input). The vertical axis represents the tone values of
the image after gradation changes (output). All four separations (CMYK)
are shown, but if they have identical curves, the graphs appear as if there is
only one curve.
Gradation Controls
The gradation controls are used to adjust brightness in specific tone
ranges.
Click the arrow buttons to increase or decrease the graph value of the
active separation(s) for a specified section of the graph.
If only one separation is active, the gradation values are listed, ranging
from -50 to 50. If more than one separation is active, no gradation values
are listed.
Changes to gradation tables are immediately presented as changes to the
gradation graph.