Unable to get it work with apple wireless keyboard a1314

[abdullah5490]

There is no configuration instructions, therefore, i'm not able to get it in work with my a1314 keyboard. The FN key functioning is important for me which is still not working. Can someone please guide me on how to correctly arrange key bindings so that all keys including the FN key should work? I'm really struggling after getting apple's keyboard in my hand but useless