On Stompbox.net a user presented a nice idea. The Boss GT-10 & Boss GT-8 can automatically switch between bank mode and manual mode! Manual mode when playing and bank mode when not playing.
This means that as long as we're playing we can e.g.
A ducker is the opposite of a gate. That means that the signal will get louder when the control signal is getting quieter. Whereas a gate will mute the signal when the control signal is getting quieter.
Therefore a ducking reverb creates reverb when the signal (your guitar) is getting quieter. It's better sounding because there's no reverb while playing rhythm.
Who don't know the problem? You play the first song with fingerpicking, the next song with a plectrum and the last one is much louder. Therefore my clean patch had a compressor assigned to the CTRL pedal. But, there's a much better way without the CTRL pedal.
It would be nice if we could activate the tuner of our Boss GT-10 without using the tuner button or the ctrl button. Since we don't usually want the audience to listen to our guitar tuning it would be even nicer if the output could be muted automatically. Muting the output is done with the exp. pedal which is often used as a volume pedal.
Therefore we use the exp.