This article explains how to use the Cappa aspirante by Boretti.
A: ON/OFF Lights: By pressing on the control knob, the lights hood lights turn on or off. I: By rotating the control knob to that position, the motor is activated to the first suction power. II: By rotating the control knob to that position, the motor is activated to the second suction power. III: By rotating the control knob to that position, the motor is activated to the third suction power. IIII: By rotating the control knob to that position, the motor is activated to the fourth suction power. This being a timed intensive speed, the control knob immediately returns to position III; from the moment the fourth speed is selected it has a duration of 7 minutes, at the end of which the motor automatically returns to the third suction power,