transponder

Hi all, I just have a Vu+ uno 4k Se with Quad monoblock 23mm 4.3 degrees (19.2E&23.5) I had all the Spanish channels and no signal on Astra 3 after playing with the transponder I was also getting signal on the Astra 3. Now I only receive 7 channels on Astra 3 and nothing on the Astra 1. Can...