Privia PX 5S – Knob 3 and 4 Eq on only one zone. Hi! I’ve a question. I’ve Slow Strings on Zone 1 e Grand Piano Modern on Zone 4. I tried to apply Eq mid 2 Gain by knob 3 e Eq High Gain by knob 4 only on zone 4. I did in this way: Stage setting - Zone Edit – Control Edit, (Knob 3 and Knob 4 OFF on zone 1 and Knob 3 and Knob 4 ON on zone 4). But Knob 3 e Knob 4 continue to work on Zone 1. Some one can help me about it ? Thanks!