I.R.I.S. IRISPen Express 6 for Mac - Manual (Page 34)

IRISPen Express 6 - User's guide
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N EGATIVE IMAGE
With the IRISPen, you can scan negative images, i.e. light text or
graphics on a dark background. The image produced by scanning is
automatically inverted by the software and displayed in the Scan
window: the black pixels will become white, and the white pixels
will become black. The recognition is carried out on the inverted
image.
To scan negative images:
• Select the option Negative Image under the Options menu.
Your IRISPen is ready to scan the negative images.
• Operate as for any other type of printed data: just slide the pen
scanner over the text line. See: Introducing the IRISPen, How
does it work?