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User’s Manual
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 DL-1101S
Page 1: ...Document Scanner User s Manual Regulatory model DL 1101S DL 1103S Avision Inc ...
Page 38: ...4 10 Error Diffusion Image ...
Page 41: ...User s Manual 4 13 Normal Photo Document Threshold 230 Normal Photo Document Threshold 230 ...
Page 52: ...4 24 The Compression tab dialog box ...
Page 54: ...4 26 The Color Dropout dialog box ...
Page 56: ...4 28 Remove Blue Threshold 20 Background 255 Remove Blue Threshold 20 Background Level 210 ...
Page 70: ...4 42 Detection Area Outside the Range Box Top 3 Bottom 7 ...
Page 105: ...User s Manual 8 3 Feeding Roller ADF Pad ...
Page 109: ...User s Manual 8 7 3 Move the tab of the ADF roller UP as indicated ...
Page 110: ...8 8 4 Detach the right end of the ADF roller from the scanner and remove the ADF roller ...
Page 113: ...9 2 Document ...