Fujitsu PA03541-B105 Operator's Manual page 173

6.1 Using ScanSnap Manager
3. You see the view direction is changed.
For details on this function, refer to Preview Help.
HINT
A page view can be rotated per page with Mac OS X v10.5.
6
ATTENTION
A page view cannot be rotated per a page with Mac OS X v10.4 or earlier.
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ScanSnap S300M Operator's Guide