Microtek ScanWizard EZ Reference Manual page 28

ACR Gray
This effect presents images use
shades of gray to simulate gradations
of color or tonal values, and contain 8
bits per pixel.
24 Microtek ScanWizard EZ Reference Manual
ACR Line Art
This effect presents images made up
of one bit of color (black or white)
per pixel. It is useful for images
consisting purely of black and white
or even single colors, such as
mechanical drawings or blueprints.
Document Adjustment Section
This effect is specifically designed for your scan material
which is paper document. You can adjust image settings from
its control panel based on the characteristics of scan
document. To enter the control panel move and click the cursor
(mouse) up on the thumbnail image.