Avision AV220G (FF-0609H) - Manual (Page 40)

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4.2.4 Scanning grayscale images
The following options are available for scanning gray images.
y
Brightness
y
Contrast
y
Resolution
y
Invert
4.2.5 Scanning B&W images
The following options are available for scanning B&W images.
y
Binarization (Dynamic Threshold)
y
Resolution
y
Invert
Or
y
Binarization (Fix Processing)
y
Threshold
y
Brightness
y
Resolution
y
Invert