The RDF files are being handled now under version control, and not all the kinks have been worked out yet.

Download the RDF (and Map/Image files for RM) here.

Remotes carry a signature, viewable on the Raw tab in IR after you've downloaded from the remote.  The 8820N signature is 1178.  A 8080 has signature HT80.

Please check to see that the remote is providing the correct signature.