(57) [summary] [purpose] bar code data is I want to be able to reliably recognize whether or not read correctly. [Configuration] The reading unit 4 to read the bar code data, And a reading determination unit 5 for reading the bar code data by the reading unit 4 determines whether or not successful, lighting the abnormal display unit 3 composed of a red LED when the reading determination unit 5 determines that whether together, to notify an abnormality by sending an abnormal noise from the transmission clef 6. When the reading determination unit 5 determines that the normal I lights the normal display part 2 composed of a blue LED. Thus, it becomes whether read bar code data normally be confirmed by visual and auditory.
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