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Threshold (B/W Only) :
This function is only available when scanning in B/W mode. You use the
slider to adjust the Threshold value (-255 ~ 255) until you are satisfied
with the result as following examples:
Manually
Example:
Checked "
Auto"
(Default)
It finds an adequate threshold
value automatically to obtain a
clear image andremove dark
backgrounds from the image.
Example:
Manual threshold value to
110
.
Example:
Manual threshold value to
170
.
Adjustments
The "Adjustments" includes Brightness, Contrast, and Threshold
settings. You can make adjust as following examples:
NOTE:
After adjusting slider, always make sure to click [
OK
] at the
bottom of the menu.
Brightness:
Use the slider to increase or decrease the value (-100 ~ 100) and to
adjust the image brighter or darker.
Brightness
-60
Brightness
0
Brightness
60
Contrast:
Use the slider to increase or decrease the value (-100 ~ 100) to adjust
the contrast higher or lower. The bigger the value is to set towards 100,
the more contrast is between lighter and darker areas.
Contrast -80 Contrast 0 Contrast 80
NOTE: Brightness and Contrast are enabled in “Color” and “Gray” mode only.
Scanning Using Event Utility
(Continued)