Chapter 4 Scanning 4-34
Adjusting Histogram Tone Levels
You can use a histogram tool to adjust the tone shadow for the preview image.
Using the Black-point, Mid-point, and White-point buttons, you can sample the respective tone
in the preview image and base the image tone settings on the sampling. You can also type a
value in the Black-point, Mid-point, and White-point boxes.
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