SCANTECH ID (Champtek company) FI300 - Manual (Page 33)

7.3.3 Postambles
The scanner can be programmed to output Barcode
data according to the following format: [BAR CODE
DATA] [POSTAMBLE STRING]
Example:
To send a <ETX> after the Barcode, scan only
programming code <ETX>.
As a result, the scanner will give the following barcode
data output:
[BAR CODE DATA] [<ETX>]
Postamble None
<CR+LF >
CR
LF
TAB
SP
31