Not sure about the model, but the existing version of the RF Modulator using reciever I have only RF channel must be set to match the built-in Filter combiner box slim 3 + 1 lol.
Not sure about you, but reciever generation model with RF Modulator is not only the need to set the RF channel to match the Filter combiner box of slim 15 + 1's.
Not sure about the model, but reciever version with RF Modulator available, only need to set the channel RF to match the Filter in combiner. Of safety slim 15+1.