Avision AV360CS - Manual (Page 27)

4-5
Each image type is described as follows:
Line art
Line art includes only black and white areas.
There are no intermediate shades of gray in
between.
Halftone
Halftone simulates different shades of gray by
varying the threshold value of a matrix.
Gray (256 levels gray scale)
Scanner recognizes each point in the image as a
shade of gray (continuous tone). 8-bit gray gives
more detailed information about the image.
True Color (16.7 million colors)
Color image have continuous tones along with its
color hues.
256 Colors
The 256 colors image provides 256 levels of color
hues.