Installed the MD 11 last night and it's a superb exterior model and VC and performance seem's good for me.I have one problem in that none of the overhead buttons light up in the VC. In the 2D panel they all show their relevant off, avail or on lights but when i switch to the VC they are all just blank.I've loaded different panel states but the VC overhead still remains the same.Any suggestions?I have noticed that the MCDU always shows 'Sensor Failure' first, is that normal?ThanksMatt