They replied stating "The Emulator 122 - 3270 does transmit unique codes for every key. It is a PS2 keyboard and you will need a driver to use the extra, non-stadard scan codes. We do not provide drivers for any of our keyboards."
So, the next question is obvious ... I started another thread about it, but if anyone viewing this one knows where one might obtain such drivers to suit Windows 7, please share!