Epson PERFECTION 1240U Reference Manual page 45

2. Move the eyedropper to the location you want to select as the
shadow point, and then click.
The brightness of the pixel at the point you click is set as the
shadow level, and the other parts of the image are adjusted
accordingly.
3. To change the shadow level (darkness) of the point you
selected, move the Shadow slider left or right, or enter a value
in the text box. You can enter a value between 0 and 60 for the
shadow.
Note:
See "Image Controls" on page 3-19 for further information on
adjusting the shadow level.
Scanning Basics
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