... keyboard control split in 100%N, 10%N, 1%N, 0.1%N (N means 3, 4, 5, 6, 7, 8 ... ~65Hz (continuous regulation, minimum stepping length 0.1Hz), 350Hz~450Hz (continuous regulation, minimum stepping length 0.1Hz);1.7 Output overload has automatic protection ... , hand reset.2 Technique Parameter2.1 Stability: AC<0.03% of ...