[. . . ] English Plug green satellite speaker cable into speaker jack on the computer's sound card. [. . . ] Do not place any liquid filled objects, such as cups or vases, on the apparatus. Allow 10 cm of open space on all sides of the subwoofer to allow for sufficient ventilation. Place speakers in a stable location so they will not fall, causing damage to speakers or bodily harm. The power cord must be disconnected from the main AC outlet for the apparatus to be completely disconnect from the main electrical supply. Operate speakers only from an audio line out jack of a computer or of an audio device. Unplug speakers from computer and from electrical outlet before cleaning them with a damp cloth. [. . . ] Logitech assumes no responsibility for any errors that may appear in this manual. [. . . ]