Hi everyone, I desperately need some guidance! I just bought a 2nd hand POS system (IBM) for our new RC Hobby Shop here in Arizona. The previous owner had "Copper POS" installed but removed it before he sold it to us. I decided to try it out for our needs. OK so here is the trouble: RE: the barcode scanner (it is a Symbol M-2007). It scans (makes the high-pitched "beep" sound) but nothing shows up on the computer screen! It's as if it is reading air! I read someone else's thread re: the same problem, and did what they said to do (open Copper, then 'add item'