Xerox 480cx 用户指南

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6-35
When this button is selected, the Level Adjustment window is 
displayed by default.
Level Adjustment
The Level Adjustment dialog box shows the distribution of 
brightness levels in your image.  To adjust the histogram plot, drag 
the triangles located below the horizontal bar to the desired values.  
The left (black) triangle changes the shadow levels.  The right 
(white) triangle changes the highlight levels.  The middle (gray) 
triangle controls the midtone levels.
The Advanced... button
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