Auto Exposure button to automatically adjust the Gamma, Highlight, and Shadow settings, then make any further adjustments in the order explained below.
Optimizing Scanning / Adjusting Image Quality
The Adjust tools in EPSON TWAIN Pro's Preview window offer you a powerful means of improving image quality, but the order in which you use these tools can greatly affect your results.
For optimum image enhancement, first click the Auto Exposure button to automatically adjust the Gamma, Highlight, and Shadow settings, then make any further adjustments in the order explained below.
 | Adjust the Highlight and Shadow settings in the Image Controls dialog box. See Making the Highlight setting and Making the Shadow setting. |
 | Adjust the Gamma setting in the Image Controls dialog box. See Making the Gamma setting. |
 | Adjust the tone curve with a predefined tone correction setting in the Tone Correction dialog box. See Applying a preset tone curve. |
 | Adjust the Gray Balance Intensity setting in the Color Adjustment dialog box. See Making the Gray Balance Intensity setting. |
 | Adjust the Saturation setting in the Color Adjustment dialog box. See Making the Saturation setting. |
 | Manually adjust the tone curve for individual colors in the Tone Correction dialog box. See Making tone curve settings. |
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