Avision AV810C+ - Manual (Page 40)

4-15
Highlight/Shadow:
Highlight refers the lightest point in a scanned image
while shadow refers the darkest point. Using Highlight
and Shadow tool together allow you to extend the
range of color and reveal more details in a gray or color
image.
Highlight: 255/Shadow: 0(Normal) Highlight: 210/Shadow:10
Highlight: 200/Shadow:0 Highlight: 255/Shadow: 50