Kodak Document Scanner 9500 with/without Image Manager 9500 Manual do Utilizador descarregar pdf (Página 77)

E-4 A-61122/A-61124 March 1999

Contrast (without ATP)

Contrast determines the ability of the scanner to detect subtle

differences in gray levels. It is defined as a percentage, from

0 to 100%. A high contrast value will produce a scanned output

of mostly blacks and whites (only large changes in gray levels are

detected). A low contrast value will produce a scanned output of

mostly midtones (more subtle change in gray levels are detected).

It is recommended that a relatively high contrast value be used to

optimize the quality of text.

Refer to Chapter 6,

Scanner-unique Commands

for a description

of the KX/Y/Z command.

This document was scanned using a high contrast value:

This is the same document, scanned using a low contrast value:

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Kodak Document Scanner 9500 with/without Image Manager 9500 Manual do Utilizador Página 77