FUJITSU 32 - Manual (Page 97)

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[Vertical magnification Adjustment]
The Vertical magnification correction value of sub-scanning direction can be changed.
For ADF scanning, the image is expanded or shrunk in the paper feeding direction based on
the setting value at shipment.
For FB scanning, the image is expanded or shrunk in the direction to which the scan head
moves based on the setting value at shipment.
This function is used to adjust the image whose ratio of length and width seems different
from the original document.
*The settable value varies depending upon the device used.