I have got the same Scala Rider Q2, and haven't had any success either. The Trophy has Bluetooth version 2.1 +EDR, and a google check shows this is backward compatible with previous versions. The Q2 is version 2.0 according to the book, so should work.
I have to admit that as soon as I start reading the connecting instructions,

,:112: is what happens. Let me know if you get it going, I'll do the same.