Avision AD 250F, Руководство пользователя

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User’s Manual
4-57
Background Processing: The [Background Processing]
option allows you to smooth background color or remove it to
make image clearer. The option is especially useful for
documents with color forms such as invoices.
Choices: None (default), Smooth, Removal
- None - no background processing will be performed
(default)
- Smooth - produces images with a more uniform
background color. This option improves image quality.
- Removal - identifies the background color and then
removes it.
Sensitivity: Choice: 0, 1, 2, 3, 4. Default: 0
- The higher the value, the more background color will be
kept.
Mode: Auto, Moiré
If [Smooth] is selected in the [Background Processing]
option, then the choices for the [Mode] option includes Auto,
and Moiré.
- Auto - uses the factory preprogrammed mode to proceed
background smoothing.
- Moiré – Remove the moiré patterns that appear on the
background of the image when scanning printed material.
If [Removal] is selected in the [Background Processing]
option, then the [Mode] option will be replaced with [Fill
Color]. Choices: White, Auto.
- White - identifies the background color and substitutes it
with white.
- Auto - identifies the background color and substitutes it
with the color of the largest background zone.