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♦ Halftone
Selects the halftone pattern for halftone scanning from the built- in pattern list.
Select the desired halftone pattern for displaying the obtained image. This setting is
effective when "Halftone" or "Automatic Separation" is selected in "Image Mode".
Dither Pattern 0
Executes pattern processing that is suitable for scanning a dark photograph.
Dither Pattern 1
Executes pattern processing that is suitable for scanning a dark-colored document
containing both text and photographs.
Dither Pattern 2
Executes pattern processing that is suitable for scanning a light photograph.
Dither Pattern 3
Executes pattern processing that is suitable for scanning a light-colored document
containing both text and photographs.
Download Pattern
Executes processing using the dithered download pattern specified in the dithered
download file (described later). Some scanner models do not support this function. See
"Image Scanner Specification" in Appendix.
Error Diffusion
Error Diffusion minimizes the difference between the pixel density of the scanned image
and the pixel density of the printed image to create better reproduction of a scanned
photograph.
Some scanner models do not support this function. See "Relevant Image Scanner
Specification" in Appendix.
♦ Scanning Parameters
For fine scan adjustments.
Since there is no fixed set of values, set by trial and error.
♦ Brightness:
Sets the brightness of the overall image.
Specify the brightness with a number in the range of 1 (bright) to 255 (dark).
To brighten the overall image, decrease the value of the setting. To darken the overall
image, increase the value.