User’s Manual
4-9
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 300500001
Page 1: ...High Speed Document Scanner User s Manual Regulatory model 300500001 300500002...
Page 20: ...2 12 Figure 2 7 Cable Connection SCSI Port USB Port Power Switch...
Page 46: ...User s Manual 4 19 The Compression tab dialog box...
Page 49: ...4 22 Remove Blue Threshold 20 Background 255 Remove Blue Threshold 20 Background Level 210...
Page 75: ...6 2 ADF Roller ADF Unit ADF Pad...
Page 79: ...6 6 6 4 Replacing the ADF Paper Feed Roller 1 Open the ADF cover 2 Lift the tabs ADF cover Tab...