Xerox CX250 用户手册

Color Tools

137

Contrast increases the image contrast mainly in the midtones. Using 
Contrast Center, you can adjust where the contrast is increased. To 
enhance contrast in highlights, the Contrast Center is shifted toward the 
highlights. To enhance contrast in shadows, the Contrast Center is shifted 
toward the shadows.

¾

Set the image contrast, by adjusting the 

 slider.

Your change affects the gradation graph by moving the point where the 
curve changes from convex to concave.

Organizing Gradation Tables

The Gradation window provides a number of options for organizing 
gradation tables, including 

, 

, 

 and 

.

If you work only with the default gradation table, the 

 and 

options are activated. This option enables you to use the default gradation 
table as a base on which to build and save new gradation tables. When you 
work on gradation tables other than the default table, 

 and 

 are 

also active.

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To reset all Gradation window settings, click 

. 

The gradation curve is reset to a 45° line. 

¾

To delete the selected gradation table, click 

. 

¾

To save the specified gradation settings, click 

.

¾

To create new gradation tables by saving existing gradation tables with 
new names, click 

.

Note:  Contrast Center only affects the image if Contrast has also been 
adjusted.

Note:  You can not delete the DefaultGradTable.

Note:  You can only save the default gradation table under a new name.