Epson EXPRESSION 1640XL User Manual page 81

The following window appears.
You can see the effects of the following settings in the preview
image.
Pixel Depth, Halftone, and Dropout in the Image Type dialog
box
Exposure, Gamma, Highlight, Shadow, and Threshold in the
Image Controls dialog box
Tone Correction in the Tone Correction dialog box
Gray Balance Intensity, and Saturation in the Color
Adjustment dialog box
Auto Exposure
Note:
Although the image in the Preview window changes as you make
settings, the settings do not affect the actual image until you scan or
rescan the image.
Using Your Scanner
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