Avision AN360W, User Manual, Page: 148 / 207

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The Multi-Feed Detection Tab
Multi-Feed Detection
Multi-Feed Detection allows you to detect overlapped document that go through
the auto document feeder. Multi-Feed usually occurs due to stapled documents,
adhesives on documents, or electro-statically charged document. Note
：
The
availability of the function varies based on type of scanner.
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.
Ultrasonic Detection
Ultrasonic Detection allows you to set overlapped document by detecting paper
thickness between documents. Note
：
The availability of the function varies
based on type of scanner.
There are two options available if Multi-Feed is detected.

Stop Scanning after Multi-Feed
If this is selected, the scanner will stop the feeder and display the following
Warning dialog box if multi-feed is detected.