Microtek ScanMaker 4700 User Manual page 69

Filters
Advanced Control Panel > Settings window
Filters
The Filters tool lets you apply or create special effects to your images.
The filters include Blur, Blur More, Sharpen, Sharpen More, Edge
Enhancement, Emboss, Gaussian Blur, and Unsharp Masking.
In using the Filters tool, keep in mind that the image you obtain in the
preview window may differ from the way the image appears when you
finally scan it in. The appearance of the image in the preview window and
how it is affected by a filter will depend on the resolution of the image. The
higher the resolution, the less obvious the effect of certain filters (such as
Blur).
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