Will try your test in the morning Matte, I’m in the UK and it’s nearly bedtime. I know I don’t have a problem with Canopus as I have owned and been using it for 2 years with Final Cut, as I’ve already mentioned this set up was working fine, FCP4.5HD, G5, Canopus, Mackie, Tannoy speakers, JVC monitor. Only when I upgraded to FCP5 last week did the sync problem occur.
Also, the system is only ever on for 2 hours max, then it is all switched off at the mains. The Canopus and the rest of the system had only been on for minutes.
I’ll post back here tomorrow after doing your bars/tone test.
Thanks.