The user chooses from six buttoms (E A D G B E), which correspond to the six different strings on a guitar. The user then presses the button that is needed, listens with their guitar, and tunes their guitar.
The user chooses from six buttoms (E A D G B E), which correspond to the six different strings on a guitar. The user then presses the button that is needed, listens with their guitar, and tunes their guitar.