Canon CanoScan FB 630U, Руководство пользователя

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Glossary
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Index
53
chapter 5
What is on
the ScanGear CS
Main Window?
Eyedroppers (Black-point, Mid-point, White-point)
Click one of the three eyedroppers then click the portion of the
image in the Preview Area that you want to sample, or enter
values in the text boxes, or drag one of the three triangles at the
bottom of the graph to adjust the value. The shape of the tone
curve and histogram changes to reflect the current Histogram
setting for the current Channel.
A White-point value must be larger than a Black-point,
and a Mid-point value must be between the Black-point
and White-point.
Channel
Click the Channel down-arrow and select one of the primary colors
(Red, Green, Blue) for adjustment or leave the setting at Master to
adjust all colors.
Load
Loads a file with previously saved tone settings.
Save
Saves the current tone settings reflected in the histogram chart as
a file so you can use the Load button to load the settings again
whenever you need them.
Reset
Resets the default values:
Black-point:
0
Mid-point: 128
White-point: 255
Note