Epson Expression 1600 Podręcznik Użytkownika Pobierz pdf (Strona 39)

2-8

Understanding EPSON TWAIN Pro Features

R4C0910

long.bk Rev. C

A5 size TWAIN.FM

1/12/00 Pass 2

Proof Sign-off:

M.Fujimori _______

J.Hoadley _______

Image Type Name:

The names of predefined settings and any custom settings you

have saved appear in the Image Type Name list.

Pixel Depth:

Select the scanning depth from:

36-bit Color, 24-bit Color, 12-bit Gray, 8-bit Gray, and

Black & White

Scanning Mode:

Use this setting to select between speed and quality.

Best

provides the best quality image, while

Draft

provides faster

scanning with some loss of quality. Note that you can also

change the scanning mode of the preview image using the

procedure under "Configuration".

De-screening:

Select either

Off

. When

is selected, moiré patterns

are automatically removed from scanned images, but

scanning takes longer.

Note:

A moiré is a cross-hatch pattern that appears on scanned images

when scanning printed material. It is a result of interference that

occurs due to the difference between the pitches of the scanning and

the halftone screens.

Dropout:

Select a color to subtract from a black and white scan of a

colored original. Proper use of dropout can improve the

quality of your black and white scans. Available dropout

options are:

None

Red

Green

, and

Blue

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