
4-18
Brightness
Adjusts the lightness or darkness of an
image. The higher the value, the brighter
the image. Drag the slider to the right or
left to increase or decrease the brightness.
The range is from –100 to +100.
Contrast
Adjusts the range between the darkest and
the lightest shades in the image. The
higher the contrast, the bigger the different
grayscale. Drag the slider to the right or left
to increase or decrease the contrast. The
range is from –100 to +100.
Brightness: -50 Brightness: 0
(Normal)
Brightness: +50
Contrast: -50
Contrast: 0
(Normal)
Contrast: +50
Summary of Contents for AD345GF
Page 1: ...Document Scanner User s Manual Regulatory model DL 2011B Avision Inc...
Page 27: ...3 11 Document Feeding 1 Unfold the document feeder and its extension 2 Raise the paper stopper...
Page 42: ...4 5...
Page 51: ...4 14 Error Diffusion Image Dynamic Threshold Dynamic Threshold AD...
Page 54: ...4 17 Normal Photo Document Threshold 230 Normal Photo Document Threshold 230...
Page 67: ...4 30 The Compression tab dialog box...
Page 71: ...4 34 The Color Dropout dialog box...
Page 140: ...7 17 3 Move the belt UP as indicated 4 Move the tab of the ADF roller DOWN as indicated...