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What is the most suitable output device for producing a warning when a bar code is read incorrectly?
Wiki User
∙ 6y ago
What is most often used to indicate an incorrectly read bar code is an audible annunciator of some kind. A bell or tone or "uh-oh" sound alerts clerks that something read wrong.
In newer machines an error file is created that shows date and time plus till number /operator number where a scan fail has occurred . This can be used if there is a security request logged against the operation
Wiki User
∙ 6y ago
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