Canon DR 7090C User Manual - Page 106
Gamma Settings Dialog Box, Custom] Check Box, Select, Input method
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Gamma Settings Dialog Box This dialog box appears when you click the [Gamma] button in the Advanced Settings dialog box. This dialog box allows you to change the settings for the gamma correction value. Chapter 8 ISIS/TWAIN Driver Settings • The gamma correction value, gamma curve graph, and sample image color are interlinked. • Clicking 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. [Freehand] The output value for a particular input value in the gamma table can be specified with the mouse. • Click any point in the gamma curve graph to set that point as an output value. • Drag the mouse over the gamma curve graph to set the output value according to the mouse movement. [Custom] Check Box Select this check box to enable custom settings for gamma correction. Select Select the side and color for the 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. [Import] Button Click this button to load gamma table data (*.pxg file) that was previously exported with the [Export] button. Imported gamma data is reflected in the gamma curve graph. [Export] Button Click this button to export the set gamma correction value to a file as gamma table data (*.pxg). 8-15