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The ScanPlus III 40" from GTCO Calcomp Inc., (Scottsdale, Arizona), scans an E-size (AO) color original at 400 dpi turbo in only 18 seconds. Color is captured at 36 bits for maximum color precision, passing the best 24 bits of color data to the computer to enhance color fidelity. Its color correction and 2D-filters for color sharpening, softening and blur are said to provide superior results with a wide variety of input images. It is also said to produce crisp, clear black/white images. Dual 2D-adaptive enhancement processing is performed simultaneously on individual aspects of the original. Enhancement includes ADL+ error diffusion halftoning, 2D-adaptive foreground thres holding, 2D-adaptive background suppression and 2D-auto edge enhancement. These image enhancements are said to produce clean, crisp scans even from poor quality drawings. Three models are available and can handle originals up to 0.6 inches. On the ScanPlus III 840C, enhancement processing is embedded in the hardware, enabling users to perform powerful image enhancement without scanning time overhead and at speeds incomparable to standard software image enhancement processing. The three ScanPlus III scanner models, 340C, 640C and 840C differ in performance from entry level to high-- end. They range from $20,500 to $25,500. www.gtcocalcomp.com.