Epson Series Perfection 1240U Series, Reference Manual

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Scanning Basics
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When a value’s check box is clear, its point on the tone curve editor
automatically shifts to smooth out the tone curve when one of the
other points is moved.
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When a value’s check box is selected, it means that its point is fixed
and it will not shift when other points are moved.
Saving your own tone curve
Use the following procedure to assign a name to a tone curve you
have customized and want to save for later use:
1. Modify the tone curve settings as desired. This causes the
name shown in the Tone Curve Name list to change to User
Defined .
2. After customizing the tone curve, enter a name for the new
curve (up to 32 characters) in the list box.
3. Click Save to save your new tone curve settings under the
name you specified.
Deleting a customized tone curve
Use the following procedure to delete a custom tone curve. You
cannot, however, delete the six preset tone patterns.
1. Use the Tone Curve Name list to select the custom tone curve
you want to delete.
2. Click Delete .
3. When a dialog box appears, click Yes to delete the curve.