How to test PIONEERPOS's customer display, OPOS model. OPOS driver can be downloaded from http://www.pioneerpos.com/support.html. Once installed: 1. run the application called "PPOSConfig" 2. click on tab "Line Display" 3. select Device Name = "pposdisp" 4. set Device Type = Aedex COM? (please check which COM port the display is connected to) 5. click [Save] 6. click [Test] 7. click [Update Display] 8. the display will show scrolling text 9. click [Exit] If successful, run your POS application, and setup the pole display name to "pposconfig" For more assistance, please contact support@pioneerpos.com, or 909-468-9757.