Allen-Bradley 2755-HDG-4 User Manual page 38

Beep During Code 39 Buffering
This Response
1 Beep (high / low tone)
3 Beeps (long high tone)
1 Beep (low / high / low tone)
2 Beeps (long high tone)
1 Beep (low / high tone)
Connecting and Operating Scanner
New Code 39 data entered into the buffer.
Code 39 buffer is full.
Buffer cleared or an attempt to transmit an empty
buffer occurred.
Error in data transmission, check cable
connections.
Transmission of buffer data successful.
Indicates
Publication 2755-6.2
2-19