Hi! I noticed today for the first time that the system gives a clearly audible noise even at a completely quiet volume. Is that just like that with me? So keys on I or higher and system can be on or off (if a, then loud strength is full down). And the noise is to be heard from the speakers! Further I have leafed in the Hidden menus today and I noticed that the standards of the S80 are different in relation to the equalizer, than the 3,3,3,3. etc. specified in the well-known manuals. Also with you? Oh yes, my system is the 850 (?), just with Dolby Surround Pro Logic And still what: Did anyone get it from you to come into the Diagnostic system via the READ button on the left lever in combination with the 3 times activating of the long-distance light? Thanks already for the answers… Medano C. C.