Avision AV363C - Manual (Page 24)

4-9
4.3. Scanning
Preview: Previews your image roughly and allocates the area to
be scanned.
Scan: Execute the Scans action.
Exit: Cancels the current job.
Document Size: To designate the size of your document, just click
on its icon on the margin of the preview window
As shown in the figure below, in the Preview window, you can
define the area to be scanned by dragging the four cursor auxiliary
lines.