Honeywell 4600RSF051CE User Manual page 157

n U
Apply document image filter using grayscale threshold n. Use
lower numbers when the image contrast is lower. 1U will have a
similar effect to setting
Range: 0-255.
Example of Document Image
Filter set to 0U:
V - Blur Image
Smooths transitions by averaging the pixels next to the hard edges of defined
lines and shaded areas in an image.
0V Don't blur (default)
1V Blur
Example of Blur Image Off (0V):
E - Edge Sharpen
Example of Document Image
Filter set to 26U:
Example of Blur Image On (1V):
(page 8-7) to 22e.
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