In another thread, you mentioned that you could not get it to "connect to scanner." So, you've overcome that (because that is not a limitation of the demo...)? Generally, if you get an error when you try to connect:
1) You haven't selected the COM port that the scanner is connected to; or
2) Something else (like ActiveSync or Palm Sync software) is using that port; or
3) If you are using a USB --> Serial adapter, you might need to get more current drivers (generally available from the vendor's web site); or
4) You are trying to use the rear port with a straight cable (it requires a null modem); or
5) If you are using the rear port, you haven't set the port's baud rate to 115200 (using the scanner's menu).