Canon CanoScan D660U User Manual

Also see for CANOSCAN D660U: Brochure & specs User guide Getting started guide User guide Service manual

Contents

100GlossaryTop PageGlossaryContentsIndexTest Scanner buttonThe Test Scanner button on the Scanner sheet starts diagnostic tests andreports if there are any problems with the scanner.Text Enhanced(OCR)A feature used by ScanGear CS-U to increase the accuracy of text scans.When Text Enhanced is selected for the Color Mode, images are scannedas Grayscale (8 bits per pixel) and converted to Black and White (1 bitper pixel) using Canon ImageTrust processing software.ThresholdIn a black-and-white image, the point at which a gray pixel is determinedto become either black or white. The Threshold slider is on the Halftonesheet. Adjust the Threshold value when you are scanning a grayscale orhalftone original with the Black and White setting.Tone CurveThe curve displayed with the Tone tab tools to indicate the Black-, Mid-,and White-point tones in a color or grayscale preview image. You cannotedit the curve except with the Special Tone Curves tool.Tone sheetThe Tone sheet contains tools that let you adjust and correct the imagetone. The Tone sheet tools include Auto Tone, Contrast/Brightness,Gamma, Histogram, and Special Tone Curves.ToolbarA set of ScanGear CS-U tool buttons, located above the Preview Area,for image selection, orientation, and other basic adjustments.