Scanning Basics
2-23
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.
Note:
❏
Use of the tone curve is recommended for fine adjustments after you
have previewed the image and adjusted the highlights and the
shadows using Auto Exposure and the Image Controls dialog box.
Use of the tone curve to make initial settings is not recommended.
❏
The Tone Correction button appears dimmed and is not available
when Pixel Depth is set to
Black & White
and Halftone is set to
None
, or B/W Option is set to
Text Enhancement
Technology
in the Image Type dialog box.
The tone curve is located in the Tone Correction dialog box, which
appears when you click the
Tone Correction
button in the
Manual mode window. The following section describes how to
use each of the controls in the Tone Correction dialog box.
Tone Correction button
Summary of Contents for 1640SU - Perfection Photo Scanner
Page 2: ... 2 ...
Page 44: ...2 20 Scanning Basics High Contrast Increases the contrast of dull images Open Shadow ...
Page 54: ...2 30 Scanning Basics ...
Page 98: ...4 10 Calibrating Your System ...
Page 114: ...5 16 Options Paper support Spare paper path guide ADF Document Mat ...
Page 130: ...5 32 Options ...
Page 172: ...6 42 Maintenance and Troubleshooting ...
Page 185: ...Contacting Customer Support B 1 Appendix B Contacting Customer Support Overview B 2 ...
Page 192: ... 6 Glossary ...