To set the cutting size: place the vegetables on conveyor belt and its rhizome should be close to the cutting blade. Adjust the cutting size, and then push the adjustment baffle to the end of the rhizome.
To run the machine :
Pless the power switch and then the conveyor belt and the cutting blade will operate at the same time. Yuou just need to put the vegetables on the belt tidly and it will cut off the rihizome automatically.