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User’s M anual
4- 15
Thr eshold Used to convert a grayscale im age t o a
bi- t onal im age. The value ranges from 0 t o
255. A low threshold value produces a
light er im age, and can be used t o subdue
backgrounds and subt le, unneeded
inform ation. A high t hreshold value produces
a darker im age, and can be used t o help pick
up faint im ages.
Adj ust the t hreshold set t ing by dragging t he
Threshold sliding bar t o the left or right to
achieve t he desired threshold setting.
2 0 0 dpi,
Thr eshold:5 0 ,
Bright ness: 0
2 0 0 dpi,
Thr eshold:1 0 0 ,
Bright ness: 0
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