1. Click on the lower left corner first, then click on the control panel, then select the regional and language options in the control panel, select the standard and format in the regional and language options, select Chinese (China), then return to the language options bar, click on additional language support, and select √ in front of "Install files in East Asian languages".
2. The controller refers to the main command device that changes the wiring of the main circuit or control circuit and the resistance value in the circuit in a predetermined order to control the start, speed regulation, braking and reverse rotation of the motor.