Setting Color and Bit Depth Level
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The following TwainSave options allow you to set the color type (Black and White, Grayscale, Color/RGB), and the bit-depth level (1, 4, 8, 16, 24 bits-per-pixel).
For devices that support "halftoning", the --halftone option can be used to lessen the size and memory the image will use. Halftoning will fill in solid colors with a dithered pattern.
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