Can DirectTV remote work with my Cambridge system?

I recently was given a Cambridge SoundWorks system (ASV550), but I can't get it set up with my DirectTV remote. The two devices won't communicate. I have gotten the codes off the Internet, and I can at least get the receiver to turn on, but that's it. Any ideas?
Call DirectTV or Cambridge?
Actually I tried to call Cambridge, but it was after hours. I've been to both websites, and I messed with the programming codes already. Thought maybe there was someone who had gone through this already.