Canon CanoScan FB 1200S Printing Guide - Page 40
Change Tone Using the Histogram Tool, The default values are
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CONTENTS GLOSSARY INDEX Chapter 3 Scanning 40 Change Tone Using the Histogram Tool The Histogram settings let you adjust the tone shadows for the preview image. Using the eyedroppers, you can sample the Black-point, Mid-point, and White-point tones in the preview image and base the image tone settings on the sampling. Using the corresponding text boxes, you can type a value in the Black-point, Mid-point, and White-point text boxes. The default values are: • Black-point: 0 • Mid-point: 128 • White-point: 255 Under the histogram chart, you can slide the black, gray, and white arrows to adjust the tones. You cannot edit the histogram directly. When you find a combination of tone settings you like, you can save the settings in a file and use it in future scanning sessions. 40