I.R.I.S. Cardiris 4 - Manual (Page 20)

Chapter 4 – Scanning Cards
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When you're scanning with a flatbed scanner, you can scan several
cards simultaneously on the flatbed and have them split up by the
software. The background must be black to extract the various
business cards. To create a black background, scan cards with the lid
open.
The complete page as you scanned it will never appear as such on the
computer screen; only the segmented business cards will.
 Specify the card style of the business cards: click the globe icon
to select the country the business card belongs to.
You can activate one card style at a time.
Apply drag-and-drop OCR in case you need only part of the data on
the card.
 Scan the business cards with your scanner - the card recognition
is automatic.
Note that the option Card Orientation Detection is enabled
automatically to have the business cards straightened for you.
To disable automatic card orientation:
 Go to the Settings menu