User’s ManualChoose “Unknown Length” if you have a batch of long pagedocument with unknown length. Choose “Enter Length” toenter the length and width of your documents or your desiredscan size on documents. This is useful when you have a batchof documents with the same scan size or a batch of same-sizeddocuments.OverScanOverscan allows you to add a specific margin at top and bottomor right and left (Options vary based on the type of scanner) ofthe edge of the image. This is used to reduce possible cornerclipping on the skewed images and often applied to a batch ofskewed document to be scanned in the auto document feeder.Select a value between 0 and +5 mm. Note the overscanresult will not be shown in the Display window and that theavailability of the function varies based on type of scanner.Pre-FeedChoice: Enable, Disable. If enable is selected, you can set theamount of time the scanner starts pre-feeding your paper afteryour documents has been loaded into the feeder. The default isdisable.Transport TimeoutSet the amount of time the scanner will wait and then startauto scan after the first scan job is completed. If you havemany separate documents need to be scanned at the samescan settings, this feature is especially useful. The default is 0.The value ranges from 0 to 30 seconds.4-37