JP1 Remotes

Thanks for the input Steve.
I have the interface cable and all mentioned programs.
I have already saved my initial remote settings in IR but I wasn't certain where to go from there.
I'm on my second reading of the "JP1 for beginners" and trying to make sense of it all.
Once I get through this ...

I'm just getting started on jp1 and need some direction.
I've got the URC-8810w remote which I have programed successfully for all my devices. No problem using macros or the learn function.
However, I have an Echostar PVR508 and I can't get the PVR functions to work. All other functions work using ...