User`s guide
Appendix A:Scanner and Printer Specific Features
132 - ScanShop User’s Guide
Bits Per Pixel
Three levels of bits per pixel are offered: 1 bit/pixel for black and white,
8bits/pixel for gray scale, and 24 bits/pixel for color.
Brightness
The brightness slider bar varies the brightness of the image, ranging from darkest
on the left to lightest on the right.
Contrast
The contrast slider bar allows you to vary the image contrast. Sliding the bar to
the right increases the contrast.
Threshold
The threshold slider bar allows you to select the level, below which all pixels are
set to black, and above which all pixels are set to white. Moving the slider bar
setting to the right increases this threshold level.
Transparency Unit
If you have a transparency unit on your scanner, you can toggle the transparency
unit option to turn it on or off.
Document Size
In selecting the size of the area to be scanned, the following standard document
sizes are typically offered:
letter
letter (land)
legal
11" x 17"
B5
B5 (land)
B4
A5