I.R.I.S. Readiris Pro 12 for Windows User Guide - Manual (Page 30)

Chapter 5 – Scanning documents
24
This way, scanned or opened images will be split up in windows
automatically.
You can also use the windowing tools on the image toolbar to
modify the page analysis results or to window documents manually.
For more information, see the chapter Windowing documents.
 When you are done defining all the settings (Scanner settings,
Options), click the Scan or Open button to scan documents or
open image files.
Note that the above-mentioned options are also available on the
Settings menu.
O PENING IMAGE FILES
With Readiris you can either process paper documents you scan
with your scanner or process already existing images files of
various formats.
To open existing image files:
 Click the Open button to search for image files.