Opticon MDI-4100 - Command Trigger Control; Figure 32: Start from Trign Signal End; Figure 33: Start from Trign Signal Start; Figure 34: Command Trigger Control

MDI-4000 Series Serial Interface Manual
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Figure 32: Start from TRIGn Signal End
Figure 33: Start from TRIGn Signal Start
5.6.3 Command Trigger Control
To read a command, start reading by sending the “Z” command and stop reading by sending
the “Y” command.
Figure 34: Command Trigger Control
The scan engine stops reading a barcode when the read time elapses. You can also stop the
scan engine from reading a barcode by sending the “Y” command.
Figure 35: Command Trigger Control with Effective Read Time
TRIGn
TRIGn signal duration
Scan time
Read time option
TRIGn
TRIGn signal duration
Scan time
Read time option
“Z” Command
“Y” Command
Scan time
RxD
or
USB+
“Z” Command
Scan time
Read time option
RxD
or
USB+