Canon CanoScan N670U CanoScan N670U/N676U/N1240U ScanGear CS-U 6.2 for Win/Mac - Page 95

End points, Executive, Eyedropper, Full Platen, Gamma Curve

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Glossary Contents Troubleshooting Glossary Index End points The points at each end of a preset or custom tone curve. The curve end points cannot be deleted. If they are dragged to or past an edge, they remain on the edge. Add points to the curve by clicking anywhere in the curve box. Executive A standard U.S. paper size measuring 7.25 x 10.5 in (184.2 x 266.7 mm) Eyedropper A Histogram tool used to sample the Black-point, Mid-point, and Whitepoint areas in the previewed image. (Tone tab - Histogram) Full Platen The maximum scanning area on the scanner's document glass, 216 x 297 mm (width of U.S. Letter and length of A4 paper sizes). Gamma Curve The Gamma Curve lets you change the midtones of colors to increase the contrast between colors and enhance the overall image. When you increase the Gamma value, light colors are made lighter, and dark colors are made darker. The graphed curve represents the relationship between input and output values for the midtones of the preview image. 95

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95
Glossary
Troubleshooting
Glossary
Contents
Index
End points
The points at each end of a preset or custom tone curve. The curve end
points cannot be deleted. If they are dragged to or past an edge, they
remain on the edge. Add points to the curve by clicking anywhere in the
curve box.
Executive
A standard U.S. paper size measuring 7.25 x 10.5 in (184.2 x 266.7 mm)
Eyedropper
A Histogram tool used to sample the Black-point, Mid-point, and White-
point areas in the previewed image. (Tone tab - Histogram)
Full Platen
The maximum scanning area on the scanner's document glass,
216 x 297 mm (width of U.S. Letter and length of A4 paper sizes).
Gamma Curve
The Gamma Curve lets you change the midtones of colors to increase
the contrast between colors and enhance the overall image. When you
increase the Gamma value, light colors are made lighter, and dark colors
are made darker. The graphed curve represents the relationship between
input and output values for the midtones of the preview image.