Touch screen operation, can directly input parameters and make menu selections Operation language: Chinese/English optional Tube type selection: preset famous brand X-ray tube types, can be selected in the system parameter menu Power curve: According to the power curve of different X-ray tubes, the program can be preset to the greatest extent. kV control: Accuracy: 0.25%; kV step 0.1kV Stability: After 1 hour warm-up, the change does not exceed 0.25% within 8 hours. mA control: accuracy: 0.25%; mA step 0.1mA