Hi I recently bought a Chunghop RM-991 on ali-express. It advertises being able to control TV, VCR, SAT/CBL, A/C, DVD and CD. Not sure who still uses VCR.

Overall, I like the build and the feel of the RC, but as of now, I can only get it to control my aircon and my TV. I have a Philips DVD player, a Marantz amp and a starhub hub-station settop box. I've gone through the various ways of entering codes in the manual of which there are 3: 1) enter the code manually, 2) manual search, 3) auto-search. These fail for the abovementioned devices.

I also tried the learning function because I still have the original remotes, but I want to replace them all with 1 remote: the RM-991. Unfortunately as of now, it doesn't look like this is going to happen, because even the learning feature is not working. Maybe I'm programming it wrong. Does anybody have any hints on how to get my RM-991 to control all these different devices?

Thanks