During a show we are switching the presets (not scenes) of my Axe III via Midi from a Laptop (connected to "Midi in" of the Axe III). Is it possible to program a "Mute/Tuning Switch" on the FC-12 that keeps its status even when a Program Change is sent from the Laptop to the Axe? I would like to avoid the risk that the Mute function is disabled when I am still tuning the guitar. Or in other words - how do I program a "Permanent Mute/Tuning Switch" that does not react to changes of the presets made by the laptop? Any help is highly appreciated!