Legacy (?) remote won’t let me get to one channel

[Kidscientist]

It isn’t that it won’t change channels at all. It won’t let me change it to one channel (NBC HD). If I put in those numbers it seems like it is changing but stays on the same channel mid I try and use the up/down channel changing button it works until it gets to that one channel and then it won’t move off the channel before or after it, whichever I’m on.

What is this all about? 🤣

[CCAndrew]

Something is impeding the frequency that NBC HD is using. All channels come in on different frequencies