What do the pedals do?

pedal (foot-activated lever)

The straight end of the spring goes under the center of the pin and the curved side of the spring will go around the the shaft of the pedal. Put the pin in from the top going down, push in for...

It's called a Sostenato pedal and it sustains only the notes that are being held down when the pedal is pressed.

The pedal on the left is the clutch. You press it when you are changing gears.

I've been playing electric for 45 years now (yes, I'm a 60's relic) and I would say this: If you are not using them simultaneously - and you shouldn't - it makes no difference. If you want to use...