Epson Expression 800 TWAIN Pro Guide de l'utilisateur télécharger pdf (Page 31)

Advanced Scanning Page 31

* Dropout is available only when the Pixel Depth setting is set to 8-bit Gray, 12-bit Gray, or Black & White.

** Halftone is available only when the Pixel Depth setting is set to Black & White.

Halftone** None Lets the data format of your image determine the tone

Mode A (Hard

tone)

Converts the image into a hard toned distinct image of 1

and 2 bits/pixel/color

Mode B (Soft

tone)

Converts the image into a softer tone for images with

large areas of similar tones (1 bit/pixel/color)

Mode C (Net

screen)

Represents images in net screen, similar to newspaper

photographs (1 bit/pixel/color)

Dither A (4

Bayer)

Represents images in a 4

4 Bayer dither

pattern

Dither B (4

Spiral)

Represents images in a 4

4 spiral dither pattern

Dither C (4

Net screen)

Represents images in a 4

4 net screen dither pattern

Dither D (8

Net screen)

Represents images in an 8

4 net screen dither pattern

Image Type setting Options Description

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Epson Expression 800 TWAIN Pro Guide de l'utilisateur Page 31