Get optimal instrument tuning and intonation set-up based on harmonic measurement. Quickly find the tuning reference pitch and intonation of music performances. Special Features: - Harmonic Tuner - Historical Temperaments (Werckmeister etc. See Web page) - Stretch Tunings - Intonation (Tuning) & Inharmonicity protocols - Temperament Editor (Create and analyze temperaments) - Guitar setup (Nut & bridge adjustment) assistant - Temperament Detector - Strobe Look (Up to 16 harmonics) - Reference Pitch (Concert A) & Key Detector - Harmonic-wise tuning + level measurement (bargraphs, up to 16 harmonics) - Spectrum Tuner - Concert A pitch range: 320Hz to 604Hz (+/-5 semitones, precision 0.1 Hz). Feature Details: see Harmonic Tuner website http://blog.grainapps.com/