See also:

Displaying the button assignment
Use a finger to touch the buttons. Do not wear gloves or use objects. The key assignment is displayed at the top edge of the screen. ▷ To display short information: touch the button. ...

Opening the Options menu
Press the button. The "Options" menu is displayed. Additional options: move the controller to the right repeatedly until the "Options" menu is displayed. Options menu The ...

Air volume, manual
You can vary the air volume by pressing on the corresponding side. You can reactivate the automatic mode for the air flow rate with the AUTO button. ...