User`s guide

Advanced Scanning Page 39
Using Auto Exposure
Click the Auto Exposure button on the Preview window to
automatically adjust the image exposure. Auto Exposure sets the
Exposure, Highlight, Gamma, and Shadow settings in the Image
Controls dialog box and the Gray Balance Intensity setting in the Color
Adjustment dialog box.
Adjusting Image Controls
Use the Image Controls to adjust the following settings:
Exposure
Gamma
Highlight
Shadow
Threshold*
The Auto Exposure
feature is
automatically
enabled after a full
preview and zoom
previe
w.
If you have a Macintosh
and you can’t click the
Auto Exposure button or
adjust Image Controls,
click the Configuration
button on the EPSON
TWAIN Pro Main
window to check the
Color Sync setting. You
can’t use these tools if
Color Sync is selected.