Electronic tuner for musical instrument, has measuring device that is provided for measuring number of tones lying within octave, and display which is provided for displaying the sound within octave

摘要

The electronic tuner has a measuring device that is provided for measuring the number of tones lying within an octave. A display (14) is provided for displaying the sound within the octave. The electronic tuner portion is operated in battery or power connection modes. The test tone is detected using internal and external microphones (11,12).