I now have 15 of these quality learning remotes from Marantz. They are in unused brand new condition and ideal if your wanting to control multiple devices or simply replace a failing single device.
Recent purchasers have found like me have been surprised at the ease of programming and the breadth of devices they will replicate.

Full manual can be found at https://www.marantz.com/on/demandware.static/-/Library-Sites-marantz_northamerica_shared/default/dwe67170a5/archive-downloads/dfu_rc101e_final_eng.pdf

Purchase a single unit for $20, Buy 2 for $36, Buy 3 for $45