Chapter 8 ISIS/TWAIN Driver Settings

[Gamma Settings] Dialog Box

Use the [Gamma Settings] dialog box to adjust the gamma correction value.

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.

[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.

[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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