Fujitsu N7100 Operator's Manual page 293

To automatically set a keyword for a PDF file, change the settings as shown below.
ATTENTION
 Conversion to searchable PDF may take extra time.
 If the same character string is marked at multiple locations of a document, the same keyword
is added to the PDF file multiple times.
 The total number of characters for keywords is limited up to 255 characters, including
delimiters between keywords.
 When keywords are viewed in Adobe Acrobat and Adobe Reader, the appended quotation
marks (") may be found at the beginning and end of keywords.
1. Select [Text Recognition] under [Save] on the scan settings window.
 The [Text Recognition] window appears.
2. For [OCR Highlighted Text Recognition], select [First marked section
only] or [All marked sections].
HINT
For details of automatic color mode selection, refer to
283).
5.9 Setting the Scan Options
"5.9.2 Setting Image Mode" (page
293