Epson ActionScanner II Mac User Manual - TWAIN Mac - Page 29

Halftone, and Best Quality

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The following table identifies the options available with each Pixel Depth setting. Since both the Draft and Best Quality settings are available with all the Pixel Depth settings, this option is not included in the matrix. Pixel Depth option selection matrix Pixel Depth Black & While 16 Gray Halftone* None Mode A (Hard Tone) Mode B (Soft Tone) Mode C (Net Screen) Dither A (4 x 4 Bayer) Dither B (4 x 4 Spiral) Dither C (4 x 4 Net Screen) Dither D (8 x 8 Net Screen) 256 Gray 8 Color 256 Color 16 Million Colors None Mode A (Hard Tone) Made B (Soft Tone) Mode C (Net Screen) Dither A (4 x 4 Bayer) Dither B (4 x 4 Spiral) Dither C (4 x 4 Net Screen) Dither D (8 x 8 Net Screen Dropout None Red Green Blue Scanning Sequence 1 pass None Red Green Blue None Red Green Blue 1 pass 1 pass 1 pass 1 pass 1 pass 3 pass** l Dither options are not available for the ES-300C scanner. l * When you choose 3 pass scanning, your application does not use the Calibration, Color Filter, or Saturation features in TWAIN; see Chapter 4 for more information. 3-8 Capturing Images From Within Applications

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The following table identifies the options available with each
Pixel Depth setting. Since both the
Draft
and Best Quality
settings are available with all the Pixel Depth settings, this
option is not included in the matrix.
Pixel Depth option selection matrix
Pixel Depth
Halftone*
Black & While
None
Mode A (Hard Tone)
Mode B (Soft Tone)
Mode C (Net Screen)
Dither A (4 x 4 Bayer)
Dither B (4 x 4 Spiral)
Dither C (4 x 4 Net Screen)
Dither D (8 x 8 Net Screen)
Dropout
16 Gray
256 Gray
1 pass
1 pass
8 Color
None
Mode A (Hard Tone)
Made B (Soft Tone)
Mode C (Net Screen)
Dither A (4 x 4 Bayer)
Dither B (4 x 4 Spiral)
Dither C (4 x 4 Net Screen)
Dither D (8 x 8 Net Screen
256 Color
16
Million
Colors
None
Red
Green
Blue
None
Red
Green
Blue
None
Red
Green
Blue
Scanning
Sequence
1 pass
1 pass
1 pass
1 pass
3 pass**
l
Dither options are not available for the ES-300C scanner.
l
*
When you choose 3 pass scanning, your application does not use the
Calibration, Color Filter, or Saturation features in TWAIN; see Chapter 4 for
more information.
3-8
Capturing Images From
Within Applications