... as the original one. The product adopts the wide output power switch, high-speed AMP7 main control Chips, integrated Circuits, can ... cables along with test EDC itself, Open the power switch, then open RED4 Power, the corresponding indicator lamp will be light, display ... and down through the arrow ↑ ↓. Close the RED4 POWER switch, oil pump power off. Press Select button, indicator lamp light, and press ...