Canon CanoScan FB 630U User Manual - Page 53

Eyedroppers Black-point, Mid-point, White-point, Channel, Reset, adjust all colors.

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chapter 5 What is on the ScanGear CS Main Window? Top Page Glossary Contents Index 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 Note 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 53

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Top
Page
Glossary
Contents
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