It depends on the remote. If you have the long rectangular remote then it will only work TVs, not sound systems. The smaller curvy remote will do sound systems. But not every make.
Programming is done by following the onscreen guide.
If there are no codes for your Onkyo receiver, and there's no way to do a "search all codes" type scan, then you have to acceppt that it's a limit of the remote because it doesn't have the right codes in its memory.
Answers & Comments
It depends on the remote. If you have the long rectangular remote then it will only work TVs, not sound systems. The smaller curvy remote will do sound systems. But not every make.
Programming is done by following the onscreen guide.
If there are no codes for your Onkyo receiver, and there's no way to do a "search all codes" type scan, then you have to acceppt that it's a limit of the remote because it doesn't have the right codes in its memory.