The major benefit of Online Vacuum is that the program is set, in such a manner, that the chamber automatically descends on the moving conveyor belt and vacuities ypur product.Hence immense labor energy is due to this features.The program can be set both Manually or Automatically. If set manually, the conveyor stops moving after each operation is completed. You have to manually restart the switch for the conveyor belt keeps on moving. So you don't have to restart the switch for every operation.