Are you looking for ir or a driver? There is a driver if you using a xp processor.

If your looking for ir codes, here is a link to the manuals and downloads page.
This will allow you to find the model and get access to the IR spreadsheet, from there you can copy the hex codes into the IR library and create a new IR file.
[Link: us.marantz.com]

Or you can use codes from previous models and fill in the codes you need with the method above.