heyo I am new to the A4 MK2 and I am trying to set up the performance mode, ONE KNOB, thing.
FUNC+PERF > PERF CONFIGURE> A> CHOOSING DESTINATION+AMOUNT and nothing happens when I turn the knobs! please help me 
heyo I am new to the A4 MK2 and I am trying to set up the performance mode, ONE KNOB, thing.
FUNC+PERF > PERF CONFIGURE> A> CHOOSING DESTINATION+AMOUNT and nothing happens when I turn the knobs! please help me