Canon FB636U User's Guide download pdf (Page 53)

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Glossary

Contents

Index

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

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Canon FB636U User's Guide Page 53