Epson Perfection 640U Series, Справочное руководство

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Scanning Basics
Note:
See “Color Adjustment” on page 3-14 for more information on
adjusting the gray balance intensity level.
Adjusting the Saturation Setting
Saturation is the density of a color. Higher saturation makes the
color appear richer, while lower saturation makes it appear paler.
To change the saturation level of the image, move the Saturation
slider left or right, or input a value in the text box.
You can enter a value between -100 (lowest color density) and 100
(highest color density).
Note:
See “Color Adjustment” on page 3-14 for more information on adjusting
the saturation level.
Using the Tone Curve
The tone curve provides you with a versatile means for adjusting
the intensity of the colors of the image being scanned. You can
adjust the shadow, mid-tone, and highlight values, which helps
to ensure well-balanced coloring of the image.