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OPR 3201
Specifications Manual
23
e) ACK/NAK
After data has been transmitted, the scanner expects to receive one of the
following responses from the host:
ACK response—Action: The scanner completes transmission with the good-
read buzzer and returns to the initial state.
NAK response—Action: The scanner sends the data again and waits for the
response from the host.
DC1 response—Action: The scanner returns to waiting for the trigger, if it has
a trigger (the initial state).
None response—Action: The scanner sounds the error buzzer and returns to
the initial state.
ACK/NAK timeout is 100 ms.
ACK/NAK timeout is 100 ms.
Figure 17: ACK/NAK