摘要: A musical instrument tuner includes a display screen. user can select predetermined configurations such as for guitar, bass violin, cello, etc. Popular detuned settings guitars, “drop-D,” one half-step down, be provided selectable presets with the configuration changing to provide appropriate indicators. Bass guitars or other instruments that come in models having different numbers of strings easily accommodated through customization. also create customized arbitrary note detection so any preference configured after point sale single manufactured device. In embodiment, mounts adjacent an instrument, by using standard ¼ ″ plug. The has screen pivots permit viewing on types guitars. model is disclosed suitable both left and right handed guitar players. instrument-mounted accept signals from devices auxiliary information musician. For example, chord charts, lyrics, song titles list songs played at performance, work cooperation effects indicate what are being applied tone, visual metronome indication, another device performs analog-to-digital (A/D) conversion input signal. digital signal external