4-8Threshold Used to convert a grayscale image to abi-tonal image. The value ranges from 0 to255. A low threshold value produces alighter image, and can be used to subduebackgrounds and subtle, unneededinformation. A high threshold value producesa darker image, and can be used to help pickup faint images.Adjust the threshold setting by dragging theThreshold sliding bar to the left or right toachieve the desired threshold setting.200 dpi,Threshold:80,Brightness: 0200 dpi,Threshold:170,Brightness: 0
