Kodak RFS 3570 - Manual (Page 86)

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5-30  Using the KODAK Driver for Adobe Photoshop (Macintosh) G
V
IEW
C
HANGES
Using the last scanned or prescanned image, this button
produces an image on which you observe the results of any
changes you make to the color, brightness, and/or contrast
settings in the B
ALANCE area of the KODAK Driver window.
You can use this choice after each set of adjustments to view
changes before final scanning.
NOTE: Normally no scanning occurs, so V
IEW
C
HANGES
is faster than
using P
RE
S
CAN
. Like P
RE
S
CAN
, it does not load an image into Adobe
Photoshop. However, V IEW C HANGES does scan the image:
 When the Scanner is first accessed and V IEW C HANGES is
selected before S CAN or P RE S CAN has been selected.

When the last image scanned or prescanned was black-and-
white and you select V
IEW C HANGES with the B & W box now
unchecked.