Epson Perfection 1200U Photo User Manual - TWAIN - Page 34
Advanced Scanning, Mode A Hard tone
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Image Type setting Pixel Depth Halftone* The table below describes the Image Type settings. Options 24-bit Color 8-bit Gray 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 × 4 Net screen) Description For 24-bit color images For 8 bits/pixel images in 256 gray shades For 1 bit/pixel black and white images Lets the data format of your image determine the tone Converts the image into a hard toned distinct image of 1 and 2 bits/pixel/color Converts the image into a softer tone for images with large areas of similar tones (1 bit/pixel/color) Represents images in net screen, similar to newspaper photographs (1 bit/pixel/color) Represents images in a 4 × 4 Bayer dither pattern Represents images in a 4 × 4 spiral dither pattern Represents images in a 4 × 4 net screen dither pattern Represents images in an 8 × 4 net screen dither pattern Advanced Scanning Page 34
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