Fujitsu SCANSNAP iX1600 Advanced Operation Manual page 73

ATTENTION
This checkbox is disabled when an unsupported language is specified for [Language].
The following languages are supported:
Japanese/English/French/German/Italian/Spanish/Chinese (simplified)/Chinese (traditional)/
Korean/Russian/ Portuguese
a The following message appears.
3.
Click the [OK] button to close the message.
4.
Specify [Select OCR] and [OCR options].
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Setting Keywords in PDF Files