Epson Macintosh - Manual (Page 68)

Auto Locate. Allows you to automatically select just the
image. If your preview window contains more than one
image and you only need one, roughly select the image you
want by dragging the mouse pointer and clicking the Auto
Locate icon. When you select Scan from the easy screen,
TWAIN uses this setting.
Lock and Unlock. Allow
you
to lock or unlock the
current width, height, unit, or scale settings for an image.
The default setting is unlock.
Image Controls. Opens the Image Controls dialog box,
which contains settings described below.
Brightness Comparison. Allows you to compare three or
five image samples of varying brightness. The middle
sample reflects the current setting.
Contrast Comparison. Allows you to compare three or five
image samples of varying color contrast. The middle
sample reflects the current contrast setting.
Highlight Comparison. Allows you to compare three or five
image samples of varying highlight intensity or color. The
middle sample reflects the current highlight setting.
2 Icon Glossary