I.R.I.S. Cardiris Pro 5 - Manual (Page 61)

Cardiris TM 5 – User Guide
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
Or right-click the selection and click Recognize in the context
menu.
R
ECOGNIZING THE BACK SIDE OF CARDS
AUTOMATICALLY
Sometimes business cards contain useful information on the back
side, such as additional contact information, private telephone
numbers, logo's, etc. That's why with Cardiris you can recognize the
back side of your business cards automatically, immediately after
you recognize the front side.
Note: the information that is extracted from the back sides of cards
does not replace the info from the front side, but complements it.
Note: back side recognition only works if the back side of the card is
written in the same language as the front side.
To recognize the back side of cards:

On the Settings menu, select the option Recognize back side
after front side.