3-22
Understanding EPSON TWAIN Features
Click the eyedropper button beneath the slider, and the mouse
pointer changes to an eyedropper. Move the eyedropper over the
preview image, and click a dark area. The eyedropper “picks up”
the color from that area, and uses it as the shadow for the entire
image. This effect shows up immediately in the preview image.
Click
Cancel
to restore the original image.
Threshold:
Available only when Pixel Depth is set to
Black & White
and
Halftone is set to
None
in the Image Type dialog box. The scanner
scans gray shades as either black or white using this setting.
You can select from 0 (lightest) to 255 (darkest) by moving the
slider.
Tone Correction
Summary of Contents for Series Perfection 1240U Series
Page 2: ... 2 ...
Page 8: ... 8 ...
Page 30: ...1 20 Using the Buttons ...
Page 50: ...2 20 Scanning Basics High Contrast Increases the contrast of dull images Open Shadow ...
Page 60: ...2 30 Scanning Basics ...
Page 94: ...3 34 Understanding EPSON TWAIN Features ...
Page 102: ...4 8 Calibrating Your System ...
Page 146: ...6 30 Maintenance and Troubleshooting ...
Page 160: ...A 14 Technical Specifications ...
Page 161: ...Contacting Customer Support B 1 Appendix B Contacting Customer Support Overview B 2 ...