Avision AD340GWN User Manual

User’s Manual4-57Background Processing: The [Background Processing]option allows you to smooth background color or remove it tomake image clearer. The option is especially useful fordocuments 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 backgroundcolor. This option improves image quality.- Removal - identifies the background color and then removesit.Sensitivity: Choice: 0, 1, 2, 3, 4. Default: 0- The higher the value, the more background color will be kept.Mode: Auto, MoiréIf [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 proceedbackground smoothing.- Moiré – Remove the moiré patterns that appear on thebackground of the image when scanning printed material.If [Removal] is selected in the [Background Processing]option, then the [Mode] option will be replaced with [FillColor]. Choices: White, Auto.- White - identifies the background color and substitutes itwith white.- Auto - identifies the background color and substitutes it withthe color of the largest background zone.