Hi, Have read all I can find on mfc10 & with help from this forum & Yamaha tech. support have managed to connect five switches but when I had it connected to my Tyros5 I used another three switches, one for Registration advance, one for Rotary speaker & one for sustain but on the menu/midi/external controller page I can't see any mention of these, can anyone help please? I don't want to use Fill up or down just want to advance forward. Thankyou