See also:

Side ventilators
Side ventilators 1) Open 2) Close 3) Thumb-wheel Move the tab to adjust the flow direction. To open or close the ventilator, turn the thumb-wheel up or down. ...

Specifications
These specifications are subject to change without notice. ...

Safety symbol
You will find a circle with a slash through it in this manual. This symbol means “Do not”, “Do not do this”, or “Do not let this happen”, depending upon the context. ...