User`s guide

Chapter 6:The Scanner Set-up Window
50 - ScanShop User’s Guide
pixels that are lighter than the threshold to white and all pixels that are darker
than the threshold to black. The effects of thresholding are most noticeable when
an image with many medium gray shades is scanned.
The Threshold option works in 1 bit/pixel mode only. In gray-scale and color
modes, the Threshold option is disabled (i.e. grayed out).
Automatic Document Feeder (ADF)
The Automatic Document Feeder (ADF) (not shown in the scan window
example above) feeds documents for scanning in portrait (vertical) or landscape
(horizontal) orientation. Automatic Document Feeders are standard for some
scanners, and either optional or not available for others.
Document Size
You can specify the area to be scanned from a predefined list of typical paper
sizes, or define your own area by using the mouse, or by entering the dimensions
numerically through the keyboard. ScanShop dynamically loads information
about standard document sizes supported by your scanner (for example, letter,
legal, A4, etc.). The Document Size menu button will display them and you may
Figure 6-7 Selecting Threshold
Figure 6-8 Selecting ADF Usage