| Gamma
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| Image Gamma is used to adjust the colors in the image that will be scanned into the computer. Gamma values follow a smooth curve. By adjusting the gamma, you can change the tonal range of the selected color channel. Gamma values are primarily a measure of the brightness of a color. The larger the gamma value, the brighter the color becomes.
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| To adjust the image gamma:
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| 1. | Select the channel.
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| 2. | Slide the thumb of the scroll bar to the right or left, or click the arrow signs on the right and left ends.
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| The current value is shown to right of the scroll bar.
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| Gamma
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| Adjusting the gamma on the Master channel affects the tonal range for all colors equally.
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| Adjusting the gamma for the individual Red, Green or Blue channels only affects pixels containing that color.
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| Default
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| Clicking the Default button on the lower right corner revert the settings to its original values and discard all adjustments you have made.
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This feature is not available when Black & White is selected as