Expression 636 Scanner Settings B-9
❏ Dither pattern A
Halftone is expressed in 4 by 4 bayer dither pattern.
❏ Dither pattern B
Halftone is expressed in 4 by 4 spiral pattern.
❏ Dither pattern C
Halftone is expressed in 4 by 4 net screen dither pattern.
❏ Dither pattern D
Halftone is expressed in 8 by 8 net screen dither pattern.
Note:
Changing the size of a halftone-processed image with your application
software may degrade the image. Instead use the scanner’s scale function
at the time of scanning to select your desired image size.
Dither pattern A Dither pattern B
Dither pattern C Dither pattern D