How to zero guide vane of carrier centrifuge?

The method is as follows. According to the query of operator official website.

1. Completely close the water inlet valve to prevent the generator from rotating during adjustment, and switch the guide vane mode to manual mode.

2. Adjust the zero value of the guide vane first: stop the machine manually, completely close the guide vane, and find the zero value on the screen according to the following path.