This thread gets more interesting by the minute…
I was going to sleep but the OP stopped me doing that LOL
well, he says “When you switch Main, Edit, Chords”
I suspect the OP means the sliding (not flickering in my system) curtains: if so, I can’t really understand why this small and fast movement can ruin the Scaler’s experience 
Buy YMMV
Me too, I second that. I like it 