22
ACK/NAK mode
* You may activate or deactivate
the beeper by using the QR-
coded parameter menu given in
Chapter 4.
Start
Beeps when the QS20H
has read a code.*
Initializes the timer.
CTS High?
No
Yes
Transfers a single
character.
2 seconds elapsed?
Transfers the
last character?
Beeps if an error occurs.
(No transmission possible)
Initializes the timer.
End
Any response
received?
ACK or NAK?
One second
elapsed?
NAK
(for trans-
mission
again)
ACK
(normal end)
Beeps if an error occurs.
(No response signal received)
End
End
No
Yes
No
Yes
No
Yes
No
Yes
Содержание QS20H
Страница 1: ...2D Code Scanner QS20H User s Manual ...
Страница 20: ...10 Start setting When the White code on black background is set End setting Cancel Defaults Menu control ...
Страница 23: ...13 Transmission format Header None default STX Terminator ETX CR default LF CR LF ...
Страница 40: ...30 ...