easy to use once the letters we understand what it means changing when you click the off button yes the off button is also used to select the instrument g for guitar, violin v ... the letter on the screen corresponds to the note that is played the screen lights up green when the rope rings true the clip captures the vibrations and thus tune his instrument for me it's a classical guitar I found this nickel tuner Cheap really well One downside: the document is not explicit in French, but it does not detail any damage but a few minutes of reflection for understanding
