enable TunerCE enables TunerCE is a powerful instrument tuner which provides precision tuning on handheld PCs, with a range of preset instrument tunings, styles and transpositions. enable TunerCE is a powerful instrument tuner which provides high precision tuning on handheld PCs. The tuner provides real-time tuning for a range of instruments, including presets for a number of string and wind instruments in a range of styles and transpositions. The tuner will also determine your instrument's current frequency, corresponding musical note and even octave offset to aid you in transcripting pieces you don't have sheet music for.