UIC680 Programmer’s Manual
UDN PM090-C2 Rev. 2.3
Section 6: Response to the Host
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^ (5EH) Acknowledge. Acknowledges correct completion of most recent command.
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* (2AH) Command was received correctly but could not be completed.
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+ (2BH) No Magnetic Stripe Card Data. Command was received correctly.
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? (3FH) Communication Error. Command was not received correctly.
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! (21H) Invalid Command or bad parameter.
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: (3AH) Power On report.
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~ (7EH) Unavailable. Hardware is not available to complete this request.
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