For Amplifi, how many items can be active in the chain? I seem to remember reading somewhere that we are limited to 6, is that correct? When you download a tone, only a subset of the icons in the chain are lit up (e.g. Vol, Stomp, Amp, Reverb), does this mean they are the only ones actively in use? If you click on the dimmed icons there are specific units and settings in there, just not sure if these are actively processing the output. If they are not, how does one activate them?