I have posted this as a reply in a previous thread, but it's probably a bit lost so thought it worthy of a thread.   I've just taken delivery of a brand new Mk1 V 60w, and after a quick play with the default settings, I did the v2 update with no problems.   Now however, I can't touch the knobs when on FX setting at all or it all locks up. I can change everything else  - scroll through presets, change 'amp' settings on the knobs, adjust volume etc - but when on FX if I try to