S300 Manual V.5 Aug 2010
4-11
Threshold
Used to convert a grayscale image to a
bi-tonal image. The value ranges from 0 to
255. A low threshold value produces a lighter
image, and can be used to subdue
backgrounds and subtle, unneeded
information. A high threshold value produces
a darker image, and can be used to help pick
up faint images.
Adjust the threshold setting by dragging the
Threshold sliding bar to the left or right to
achieve the desired threshold setting.
200 dpi,
Threshold:80,
Brightness: 0
200 dpi,
Threshold:170,
Brightness: 0
Summary of Contents for BulletScan S300
Page 1: ...iVina Hybrid Sheetfed and Mobile Scanner User s Manual Aug 2010 ...
Page 18: ......
Page 30: ......
Page 40: ...4 10 Error Diffusion Image ...
Page 54: ...4 24 The Compression tab dialog box ...
Page 56: ...4 26 The Color Dropout dialog box ...
Page 58: ...4 28 Remove Blue Threshold 20 Background 255 Remove Blue Threshold 20 Background Level 210 ...
Page 86: ......
Page 90: ...7 2 3 Close the front door Scanner glass ...
Page 92: ...7 4 3 Close the scanner front door Rollers Sensor arm ...
Page 96: ...7 8 3 Remove the roller ...
Page 98: ...7 10 3 Close the rear cover by pushing two latches to its original positions ...
Page 106: ......