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Chapter 8 ISIS/TWAIN Driver Settings

■ [Gamma Settings] Dialog Box

Use the [Gamma Settings] dialog box to adjust the gamma

correction value.

[Custom] Check Box

Select this check box to set custom gamma correction.

Select

Select the side and color for custom setting.

Hint

The color bar and color of the sample image are changed to

show the specified color.

Input method

Select the setting method for gamma correction.

[Factor]

Move the slider to the left or right to adjust the gamma

correction factor between 0.2 and 5.0.

Hint

• The gamma correction value, Gamma Curve Graph, and

sample image color are interlinked. When you adjust one of

these items, the others are also adjusted automatically.

• Clicking at a point in the Gamma Curve Graph with your

mouse changes the gamma curve and color of the sample

image to match that point.

• You can also move the gamma curve by dragging it with the

mouse.

[Free hand]

The output value for a particular input value in the gamma

table can be specified with the mouse.

Hint

• Click any point in the Gamma Curve Graph to set that point as

an output value.

• Drag the mouse on the Gamma Curve Graph to set the output

value according to the mouse movement.

[Import] button

Clicking this button loads the gamma table data (*.png

file) that was previously stored with the [Export] button.

Hint

Imported gamma data is reflected in the Gamma Curve Graph.

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