Korg Orchestral Tuner a chromatic tuner intended for the orchestra, packaging high performance and sophisticated functionality String_2nd All recorders have curved windways The alto has a All recorders have curved windways (except for sopranino) and are supplied in attractive leatherette cases with joint grease and cleaning pull through The repetition of patterns common to the harp should enable the player to perform with greater ease and confidence In Manual mode the needle movement is shown in a range of ±500 cents and automatically make the OT 120's speaker produce a reference tone for the note that is closest to the input pitch you play on your instrument