If your RC-799M is physically broken (cracked board or missing battery door), look for universal remotes specifically labeled "Replacement for Onkyo RC-799M" or buy a used OEM unit from eBay.

for the remote indicator light to stay lit (about 3 seconds).

The manual may also include a troubleshooting section to help users resolve common issues, such as:

The Onkyo RC-799M remote control has a standard layout with a sleek and ergonomic design. The remote has a total of 55 buttons, which are divided into several sections: