10Getting to Know the Unit1 power switch2 reduce speed3 increase speed4 change direction of speed5 display for speed [rpm]6 display for suction level, time, change of the filter bag etc.7 menu button down and reducing the suction level8 menu button up and increasing the suction level9 menu button OK10 menu button stop11 memory button m1 for speed/suction level12 memory button m2 for speed/suction level13 memory button m3 for speed/suction level14 ON/OFF button (standby)1 2 3 4 5 6 7 8 9 1011 12 13 14