I looked at the file you sent me and it's mainly using IR database commands, probably from the TH-50PX500 mentioned above. There are no discrete inputs, just macros for each input that include an "Input" button press, followed by a number (ie: "Input" and "1" for Input 1). There's really nothing in it that you couldn't get from the IR database.

Also, with the latest update, you can now open .mxd files in the UB.

Mike