Rockwell Automation 2755 2D Hand-Held Scanner - Manual (Page 142)

D–4 SLC 5/03, 5/04 Controller Application
Publication 2755-6.7
3. Send the data then the suffix by scanning these labels.
Send
Scan this Symbol First
Scan Enter after Scanning Option
4. Set the RS-232 Synapse cable to defaults by scanning the
following:
Set RS-232 Synapse Cable Defaults
5. The cable defaults will work with the SLC 5/03, 5/04. Your
application may have specific requirements. Chapter 3 lists the
settings that can be modified. If you change a communication
setting, make sure the SLC controller is configured to accept the
change.