Xerox WorkCentre Pro 385 User Manual page 242

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.
Level
Adjustment
tab
Shadow
control
Midtone (Gamma)
control
By varying the Shadow points and Highlight points you can change the
relative shades and highlights of the image. The Shadow point represents
the darkest value and the Highlight point is the brightest value.
Highlight control
Overview
6
6-23