Hi Beniamino

a) By default Midi In 1 is set to "GM", Midi In 2 set to "Keyboard" (Menue F6). The life drums on channel 9 sound wrongly. If you switch Midi In 1 to "Keyboard" (or use Midi In 2 port) it sounds correct. However there are other, possibly undesired, effects if recording in this position. This is however not an error, it's just the purpose which is different. Recording on a diskette and
replay it via midi cable would be another work around.

b) I only use Single Registrations presume however it works the same way. The 1 touch button status as well as the sound position is saved with the registration, provided it is switched on in the menue utility / registration mode / tabs. If a registry is called, my 1 touch button is lit on. Unfortunately the display doesn't show the sound, but hitting the button off / on (to show the 1 touch display) proves, that the correct sound was positioned.

I hope this helped

Rgds
Hansruedi