Twain Driver Settings - Brother ADS-2000 User Manual

TWAIN Driver Settings

TWAIN Driver Settings
1. Resolution
You can select a scanning resolution from the Resolution drop-down list. Higher resolutions take more memory
and transfer time, but produce a finer scanned image.
Resolution
100 x 100 dpi
150 x 150 dpi
200 x 200 dpi
300 x 300 dpi
400 x 400 dpi
600 x 600 dpi
1200 x 1200 dpi
2. Scan Type
Select one of the following type:
• Black & White
Use for text or line art images.
• Gray (Error Diffusion)
Use for photographic images or graphics. (Error Diffusion is a method for creating simulated gray images
without using true gray dots. Black dots are put in a specific pattern to give a gray appearance.)
• True Gray
Use for photographic images or graphics. This mode is more exact due to using up to 256 shades of gray.
• 256 Color
Use for simple color illustrations that do not use the full color spectrum. Uses up to 256 colors to create images.
file:///C|/Documents%20and%20Settings/mcampbell.AM/My%20Documents/ADS2000solutions/chapter3_10_3.html[3/11/2013 10:25:54 AM]
Black & White/Gray
(Error Diffusion)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
256 Color
Yes
Yes
Yes
Yes
Yes
Yes
No
True Gray/24bit Color
Yes
Yes
Yes
Yes
Yes
Yes
Yes