User manual SONY STR-DE615

[. . . ] To prevent fire or shock hazard, do not expose the unit to rain or moisture. ­ Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Before operating the receiver, check that the operating voltage is identical with your local power supply. The receiver is not disconnected from the AC power source as long as it is connected to the wall outlet, even if the receiver itself has been turned off. [. . . ] If you connect large speakers that will effectively reproduce bass frequencies, select "LARGE. " · When a Dolby Digital sound source (indicated by the lighting of the DISCRETE indicator) produces an inadequate surround effect, or when cracking occurs in the sound output, select "SMALL" to activate the Dolby Digital (AC-3) bass redirection circuitry and output the front channel bass frequencies from the subwoofer or other "LARGE" speakers. If you connect large speakers that will effectively reproduce bass frequencies, select "LARGE. " · When a Dolby Digital sound source (indicated by the lighting of the DISCRETE indicator) produces an inadequate surround effect, or when cracking occurs in the sound output, select "SMALL" to activate the Dolby Digital (AC-3) bass redirection circuitry and output the center channel bass frequencies from the front speakers, subwoofer or other "LARGE" speakers. ⷠIf you do not connect the center speaker, select "NO. If you connect a subwoofer, select "YES" to output the LFE (low frequency extension) channel from the subwoofer. ⷠIf you do not connect a subwoofer, select "NO. Do the procedure below to adjust the delay time for the center and rear speakers. Use the remote while seated in your listening position to adjust the volume of each speaker. note This receiver incorporates a new test tone with a frequency centered at 800 Hz for easier speaker volume adjustment. Be sure to select "NORMAL SURROUND" or "ENHANCED SURROUND" before outputting the test tone. To obtain the best possible Dolby Pro Logic Surround sound, first select the center mode according to your speaker system. Then, adjust the sound parameters of the PRO LOGIC sound field. Note that you must have at least one additional pair of speakers and/or one center speaker to do the following adjustments. Press SOUND FIELD ON/OFF to turn on the sound field. " Press DPC MODE repeatedly until the SUR indicator lights up. You will hear the test tone (see page 22) from each speaker in sequence. From your listening position, use the digital processing control buttons ( / ) to select the parameter to be set and use the buttons ( / ) to select the setting so that the test tone can be heard at the same level from all speakers. to adjust Rear speaker balance rear speaker level center speaker level subwoofer level During adjustment of the respective speaker level/ balance, the test tone is output from the speaker(s) only. After adjusting the subwoofer level, the test tone turns off automatically. The receiver offers you four center modes: PHANTOM, 3 CH LOGIC, NORMAL, and WIDE. Each mode is designed for a different speaker configuration. [. . . ] As you select higher levels, the room becomes "live, " and as you select lower levels, the room becomes "dead. These jacks are used to input decoded Dolby Digital AC-3 audio signals, allowing you to enjoy 5. 1 channel surround sound (STR-DE715/DE615/D660Z/D560Z only). Use these jacks to connect a Dolby Digital AC-3 decoder or a DVD player with a built-in AC-3 decoder. [. . . ]