Fujitsu FI-800R Operator's Manual page 169

3
Adjust the level of offset/vertical magnification as needed.
Offset Setting
Unit
Select a unit for an offset adjustment.
The factory default setting is [U-turn (Front)].
Main
Specify the horizontal (width) offset.
The specified value can range from -2 to +2 mm (in increments of 0.5).
The factory default setting is "0".
Sub
Specify the vertical (length) offset.
The specified value can range from -2 to +2 mm (in increments of 0.5).
The factory default setting is "0".
Scanner Settings (Software Operation Panel)
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