Rockwell Automation 2755 Enhanced Decoder Series B - Manual (Page 215)

15–27 ASCII Host Commands
Publication 2755-833
AL - Autoload (continued)
Example:
Command: AL
Parameters: 1110ABCDE12345
Command
Parameters
Parameter Function Valid Values
a Source 1=A
b Symbology 1=Code 39
ee Length of match string 10 Characters
String Match string ABCDE12345
Response: = 00CR
00 = command complete
response code
CR = end of message control code
for Carriage Return.