Excuse my ignorance. What is "system calibration and back value setting"? It still sounds like a once in a great while kind of thing, whatever it is.
I fix the first problem by not inadvertently pressing Balance. I did that once and thought to myself, "Let's not do that again."
Dave
I fix the first problem by not inadvertently pressing Balance. I did that once and thought to myself, "Let's not do that again."
Dave