Epson ActionScanner Guide de l'utilisateur télécharger pdf (Page 39)

Capturing Images From Within Applications 3-11

The following table identifies the options available with each

Pixel Depth setting. Since both the Draft & fast and Best &

de-screening Quality options are available with all the Pixel

Depth settings, the table does not include these options. The

table also does not include the Text Enhancement Technology

and Auto Area Segmentation options; these are available only

when Pixel Depth is set to Black & White.

* When you choose 3 pass, your application does not use the Calibration,

Color Filter, or Saturation features in TWAIN; see Chapter 4 for more

information.

Pixel Depth option selection matrix

Pixel Depth Halftone Dropout

Scanning

Sequence

Black & White None

Mode A (Hard tone)

Mode B (Soft tone)

Mode C (Net Screen)

Dither A (4 × 4 Bayer)

Dither B (4 × 4 Spiral)

Dither C (4 × 4 Net Screen)

Dither D (8 × 8 Net Screen)

None

Red

Green

Blue

1 pass

16 Gray None None

Red

Green

Blue

1 pass

256 Gray None None

Red

Green

Blue

1 pass

8 Color None

Mode A (Hard tone)

Mode B (Soft tone)

Mode C (Net Screen)

Dither A (4 × 4 Bayer)

Dither B (4 × 4 Spiral)

Dither C (4 × 4 Net Screen)

Dither D (8 × 8 Net Screen)

None 1 pass

256 Color None None 1 pass

16 Million Colors None None 1 pass

3 pass*

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 129 130

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Epson ActionScanner Guide de l'utilisateur Page 39

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