Xerox Scanner 4700 Manual do Utilizador descarregar pdf (Página 161)

Xerox

DocuMate

4700

User’s Guide

161

Black Level

With this option you can set what the scanner should interpret as “black” in the final image. If you are scanning

items that have notes written with a pencil, you may want to raise the black level to have the pencil notes appear

black in the image. You can set a value for black from 0 to 127. If you set this value to 127, you are telling the

scanner that all pixels that are grey level 127 or lower (darker) should appear as black in the final image. This option

is only available when scanning in Color or Gray.

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Xerox Scanner 4700 Manual do Utilizador Página 161