Hmm strange, I've just tested with a MSR+ to see if what I presumed is the case.

However Disc+Sat+Tape+Game source buttons seem to work fine on the remote, that's not something I would have expected.

I am lost again.

568.1 Processor, 562v3 MController, 596 DVD Player, 504 Tuner, MC200, MS600, 218, 210, Roon