Avision AV36 (FL-0914S) - Manual (Page 27)

Example 2：Scanning a two-sided color document, one in
B&W(Drop Blue Color：Threshold：10, Background：79), the
other in color
Side/Image
Selection
Front
Rear
2
Image
Type
Description
Color Choose Color if you wish to scan a color
image for your original in color.
Gray Choose Gray image if your original contains
actual shades of gray.
B&W Choose B&W if your original contains only
text, pencil or ink sketch.
B&W Gray Color
4-6