This tuner lets adjust each string of his electric guitar, but also bass guitar. The adjustment can be carried out simply by placing the tuner facing the guitar or with cable (not supplied) you can connect it between the amp and guitar, which allows to see the tension evolve your rope As a measure of your guitare.Possibilite game sonnorité adjust the tuner 7 bemol. Sound effect of each note for the agreement oreille.Pas metronome.