... mentioned of different crystal orientation cut , it is make crystal device indispensable instrument to process set with cutting machine.1.2 ... 220V, 5A, voltage undulations: ≤±10%, power capacity:≥0.5KVA(5) Good grounding device, grounding resistance≤4Ω(6) Power supply line must have no ... with the high voltage transformer, with screw (M5)b) Connect the power cable with D1, D2 (big hole)c).This unit must ...