Hi
Unit gone back to Meridian. I spoke to them and as usual, they were very helpful. Apparently, there are lots of issues, as this is a big upgrade. They said most issues can be resolved over the phone but I had already sent it back!

Bob
Meridian G91D, 568.2mm, HDMAX 421 & 121, 5 x 557, Isotek Titan, Minisub, Hitachi 42" plasma and DIY Dynaudio speakers