Peterson introduces the "V-SAM", a combination of programmable VIRTUAL STROBE tuner, AUDIO tone generator, and METRONOME in a hand-held format. It marries the revolutionary Virtual Strobe Technology? first introduced in the VS-1 tuner with new, brighter, high-contrast display.The V-SAM's "tuner mode" expands upon the Peterson VS-1 with an even wider variety of alternate temperaments and the ability to select temperament tonal roots. In addition, the user can create and store custom temperaments and use them with the same flexibility as preset ones. The V-SAM automatically detects a note being played in real-time and is accurate to 1/1000th of a semitone. It can transpose displayed notes based on any of 12 scale notes. The ultra-wide 410.0 to 490.0Hz range of the V-SAM's Concert A pitch reference makes it the premium choice for "Early Music" instruments such as harpsichord, lute, recorder, and Baroque flute.The "Bass Shift" feature allows effortless tuning of double bass (including instruments with fingerboard extensions), tuba, and euphonium. A built-in speaker is included for the audio tone generator/tuner, and a pre-amplified signal is provided to drive a P.A. or headphones. These new and expanded features permit definitive measurement and control of the intonation of orchestral instruments, allowing tuning and real-time scale rehearsal for stringed instruments such as violin, cello, and concert harp as well as all brass and woodwind instruments in all keys, all ...