When use for suction, with nozzie attached to suction port and dust bag attached to outlet of wind
When dust bag is full, remove the bag and open outlet of bag then clean the dust to a dust bin
Pressing the switch button, te unit is started. Loosing the switch button, the unit is stoped. When lock button is pressed after unit is started, the unit can continually work and the unit can be stoped if press the switch button again