I thought I saw a 3100 operate the Nak Plasma while during an east coast trip 2 weeks ago (forgot the name of the shop.) I just bought the 3100 and can trach it commands (power and function) but the Nak will not respond. After a number of tries I call Sony and after over an hour, they gave up. The 3100 will talk to Nakamichi audio components. Any ideas how I might teach the 3100? Thanks in advance