Figure 16: Handshaking: Ack/Nak-No Response - Opticon OPV 1001 Specification Manual

Opticon
OPV 1001
Specifications Manual
e) ACK/NAK NO RESPONSE
When no response from the host is received within the setting time, the
scanner assumes an ACK response, and returns to the initial state without
the error buzzer. The other actions are the same as ACK/NAK.
Figure 16: Handshaking: ACK/NAK—No response
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