nollipap

I have en external synth Is it possible to send Program Changes to Gearbox so the presets change automatically? Greetings Raymond ;)

Yesterday evening I wanted to try new sounds on my Gear Box But I got suddenly a very annoying problem At once the sound of the head phone ,changed Only the left site works Before is always left AND right Where and how can I reset this terrible problem The l6t sounds are heavenly but only when you hear them out of two speakers!!! Thanks anyway for the one who is willing to help me Greetings Raymond :D