Kodak i800 Series manual Fixed thresholding ATP disabled

When Adaptive Thresholding is selected, Contrast values may range from 1 to 100. A Contrast value of 100 is considered fully adaptive thresholding.

Fixed thresholding ATP disabled ATP enabled

Error Diffusion  screens photographic areas of a document to simulate gray levels yet sharpens the edges of text. It is recommended that error diffusion be used when a mix of text, graphs, pictures and colors in the documents are being scanned.

NOTE: When using error diffusion and compression together, negative compression (less than one-to-one) is more likely to occur.

Dithering  a method used to simulate gray levels. The following Dither options are available:

•64-Level Bayer Dither, 64-Level 45 Degree Clustered Dot Screen and 64-Level Dispersed Dot Screen: these represent alternative screening options to emulate gray.

A-61510 January 2005 4-10