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2-28
Scanning Basics
2. In the Image Type dialog box, select
None
for
B/W Option
,
and then click
OK
.
3. In the Manual mode window, click the
Full Preview
button.
Then click the
Image Controls
button to display the Image
Controls dialog box.
4. Use the
Threshold
slider to change the threshold value,
monitoring the results of your changes in the Preview
window. Adjusting the threshold value can make it easier for
OCR to recognize characters.
Image Controls button
Image Controls dialog box
Содержание Series Perfection 1240U Series
Страница 2: ... 2 ...
Страница 8: ... 8 ...
Страница 30: ...1 20 Using the Buttons ...
Страница 50: ...2 20 Scanning Basics High Contrast Increases the contrast of dull images Open Shadow ...
Страница 60: ...2 30 Scanning Basics ...
Страница 94: ...3 34 Understanding EPSON TWAIN Features ...
Страница 102: ...4 8 Calibrating Your System ...
Страница 138: ...6 22 Maintenance and Troubleshooting EPSON Perfection 1240 appearing under Other devices with a question mark ...
Страница 146: ...6 30 Maintenance and Troubleshooting ...
Страница 160: ...A 14 Technical Specifications ...
Страница 161: ...Contacting Customer Support B 1 Appendix B Contacting Customer Support Overview B 2 ...