2014/07
Trigger
To activate the read process, a trigger signal is to be sent via the serial RS 232 interface or USB interface (COM port emulation
only). The command is to be sent at the set baud rate, parity, and data and stop bits.
The command for activation is:
SYN T CR
ASCII decimal values: 022; 084; 013
To cancel read readiness, send a deactivation.
The command for deactivation is:
SYN U CR
ASCII decimal values: 022; 085; 013
Following a successful read operation, the IT 3820 deactivates itself.
The second option is activation via the built-in trigger button.
Configuration for the Leuze standard protocol
To set the Leuze standard protocol, you must first reset the scanner to factory settings and then individually define each of the
transmission parameters using a barcode
Procedure:
1.
Scan the adjacent barcode.
The IT 3820 is reset to factory settings.
2.
Return the IT 3820 to the base station to apply the settings.
This procedure is concluded with audible confirmation sig-
nals.
3.
Successively scan the 4 barcodes shown below. Each read operation is confirmed by a beep.
The IT 3820 is set to the following transmission parameters: RS 232 transmission with 9,600 baud, 8 data bits, 1 stop bit, no par-
ity, prefix <STX>, terminators <CR><LF>.
9600 Bd
Terminal ID
Prefix STX
Postfix CR/LF
IT 3820/3820i
