Unmatching Barcode
Scheduling a J1 visa appointment in ghana, the bar code for my previous B1 visa was generated on the current J1. Been asked to schedule a new appointment after 2 working days. Would like to know how that happened so that I don't repeat that mistake again.
Best Answer
Only the US visa center would be in a position to identify what might have caused the error, be it human or system:
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Pictures about "Unmatching Barcode"
Can you scan the same barcode twice?
The bar code will program the scanner not to scan the same bar code twice in a row unless the bar code is removed from the scan field or a different bar code is scanned in between.Can a barcode scanner misread?
Scanners can also misread otherwise acceptable barcodes. Most often the cause can be traced to damaged or dirty optics, but faulty decode algorithms area known cause, albeit a rare one.What produces a warning when a barcode is read wrongly?
Typically that would be caused by the barcode itself being damaged (e.g. some ice on a frozen product making it read incorrectly). If an error is detected, the scanner will usually make a warning sound to alert the operator.Do all barcodes read the same?
Barcodes are used to identify products throughout the supply chain from the moment they are manufactured up until when they are purchased in a retail store. Each barcode is unique to the product that it represents.Mobile Match Code - Barcode Matching Application
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