Epson DS-30 User Manual page 28

Image Type: Black & White
The table below describes the settings available. For details on adjusting these settings, click Help.
Setting
Brightness
Contrast
Unsharp Mask
Descreening
Description
Adjusts the overall image lightness and darkness. When the Image Type is
set to Black & White, this setting is available only if the Auto Area
Segmentation checkbox is selected.
Adjusts the difference between the light and dark areas of the overall image.
When the Image Type is set to Black & White, this setting is available only if
the Auto Area Segmentation checkbox is selected.
Turn on to make the edges of image areas clearer for an overall sharper
image. Turn off to leave softer edges. This setting is available only when the
Image Type is set to Auto, Color, or Grayscale.
Removes the rippled pattern (called moiré) that can appear in subtly shaded
image areas such as skin tones. Also improves results when scanning
magazine or newspaper images which include screening in their original print
processes. This setting is available only when the Image Type is set to Auto,
Color, or Grayscale. The results of descreening do not appear in the preview,
only in your scanned image.