Sustain Pedal for an electronic pianoThe pedal-jack must be connected to the outlet of the piano marked with "Sustain Pedal" and not to "Phones" or "Line out".YouTube: http://www.youtube.com/watch?v=bgyiMLbHb243D printing: 1 - Sustain Pedal 1 - SustainBase 1- CapsYou need one of the followingYou need You also needIt is possible that the hole must be drilled up if screws or pipe is too big.Function The pedal functions by connecting the wires together when the pedal is depressed.The wire consists of two conductors. One will be connected to the spring and the other connected to the metal wires at the end of the pedal. This must adjust so that there is contact between the leaders when the pedal is pressed and the contact is broken when the pedal is released.