Epson Expression 800 TWAIN Pro Guide de l'utilisateur télécharger pdf (Page 39)

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

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.

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Epson Expression 800 TWAIN Pro Guide de l'utilisateur Page 39