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Color Balance Professional only:
Adjusts the balance of red, green, and blue colors in the overall 
image.
Click the  Image Adjustment button to access the Color 
Balance setting.
Auto Exposure Home: Automatically applied.
Professional: Click the  Auto Exposure button. To turn it on 
continuously, click the Configuration button, click the Color tab, 
and select Continuous auto exposure. You can adjust the level 
of exposure adjustment using the slider.
Unsharp Mask 
Filter
Home: Automatically applied.
Professional: Turn on to make the edges of image areas clearer 
for an overall sharper image. The level of sharpness is 
adjustable. Turn off to leave softer edges.
Descreening Filter Home and Professional:
Removes the rippled pattern that can appear in subtly shaded 
image areas, such as in skin tones. Also improves results when 
scanning magazine or newspaper images which include 
screening in their original print processes. The results of the 
Descreening Filter do not appear in the preview image, only in 
your scanned image.
Histogram Professional only:
Provides a graphical interface for adjusting highlight, shadow, 
and gamma levels individually. For advanced users only.
Click the  Histogram Adjustment button to use the Histogram 
settings.
Tone Correction Professional only:
Provides a graphical interface for adjusting tone levels 
individually. For advanced users only.
Click the  Tone Correction button to use the Tone Correction 
settings.
Threshold Home and Professional:
Adjusts the level at which the black areas in text and line art are 
delineated, improving text recognition in OCR programs. 
(Available only when you select Black & White as the Image 
Type setting.)
In Home Mode, click the Brightness button to access the 
Threshold setting.