PSR-E363
![](/en/files/scale_tuner_540x540_271x271_cfdbe398b5f4afb9178955bc36bc434f.jpg)
Scale Tuner
Scale Tuner allows you to change the tuning of a compatible Yamaha keyboard or digital piano to Arabic or pure temperament tuning. Compatible Models: - Clavinova: CVP-501/503/505/509, CGP-1000 - Arranger Workstation: PSR-S650/S710/S910, Tyros4 Scale Tuner is only available in the countries where Apple Inc. offers an App Store.