Maybe Keith can shed some light on this? I would almost say, since the codes for the A-110 are there, the C-200 will work ( for most of the keys?).
I am basing this on the following information:
http://www.networkedmediatank.com/wiki/index.php/Remote_Control_A-200/C-200#Pronto_Remote_Control
http://www.networkedmediatank.com/wiki/index.php/Pronto_Remote_Code_list
But as said, I am no expert on the matter but Keith is.
Thanks, Peter.