Avision FB5000 (BT-1007B) - Manual (Page 59)

User’s Manual
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Additional Length Detection
Additional Length Detection allows you to define the length of
document being multi-fed. This value indicates the additional
length exceeding your scan area. The Display window will
show the size of the document as you change the value. A
value of 0 indicates no additional length detection. The
Additional Length Detection is best used when scanning same-
size documents in the auto document feeder.
Intelligent Mode (Skip Multi-Feed) By Ultrasonic
Detection
Some documents which are glued with a photo or a label may
easily be detected as multi-feed yet you wish to bypass these
multi-feed conditions. In this case, you can use the intelligent
mode to let the scanner memorizes and skips these multi-feed
conditions. Choice includes Disable, By Length, By
Position, By Length+Position. Note: The availability of
this feature varies based on scanner type.
By Length: When a multi-feed is detected for the first time,
the scanner memorizes the length of the paper attached to the
document. When you perform next scanning, this pattern of
multi-feed will be bypassed.
By Position: When a multi-feed is detected for the first time,
the scanner memorizes the position of the paper attached to
the document. When you perform next scanning, this pattern
of multi-feed will be bypassed.