[. . . ] Assemble the device in such a way that the available ventilation openings are not covered. Should the device become damaged, in particular the mains supply cable, do not operate the device any longer, but rather have it repaired by an expert. [. . . ] NOTE: When switching off this function ensure that the overall volume is not set to maximum!With the VOLUME/ADJ (6) buttons you can now adjust the central volume. With the VOLUME/ADJ buttons (6) you can now adjust the subwoofer volume. 4 L SUR: L SUR: This button is used to select the left-hand surround loudspeaker. With the VOLUME/ADJ buttons (6) you can now adjust the left-hand surround loudspeaker. 8 BYPASS: When this button is pressed the surroundsound function is switched off. 9 DELAY: With these buttons it is possible to adapt the signal delays during Prologic operation. This means that in large rooms the sound from the front loudspeakers may reach the ear later than the sound from the surround loudspeakers. In this case the sound from the surround loudspeakers must be delayed so that there is an acoustic balance. After selecting the signal you can now adjust the individual volume of the surround loudspeakers and the central loudspeaker using the volume control. 14 SR MODE (Surround Modus): With this function you can transform a stereo signal (e. 15 SR SEL: With this function you can select a variation of the sound playback in the surround mode. [. . . ] Broken glass or breakage of plastic parts are always subject to a charge. Motor pistons, kneading blades, drive shafts, spare remote control, spare toothbrushes, saw blades, etc. [. . . ]