User manual SONY STR-DE975

[. . . ] ⷠIf you are not going to use the receiver for a long time, be sure to disconnect the receiver from the wall outlet. To disconnect the AC power cord, grasp the plug itself; never pull the cord. ⷠOne blade of the plug is wider than the other for the purpose of safety and will fit into the wall outlet only one way. If you are unable to insert the plug fully into the outlet, contact your dealer. [. . . ] Press SLEEP on the remote while the power is on. Each time you press SLEEP, the time changes as shown below. You cannot record audio from a program source connected to the LD/DVD IN AC-3 RF/OPTICAL or LD/DVD jack (STR-DE915 only) or 5. Press SLEEP first, then specify the time you want using the digital processing control buttons ( or ). The sleep time changes in 1 minute intervals. You can check the time remaining before the receiver turns off To obtain the best possible surround sound, first specify the type of speakers you have connected and the location of the rear 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 rear channel bass frequencies from the subwoofer or other "LARGE" speakers. ⷠIf you do not connect rear speakers, select "NO. This parameter lets you specify the location of your rear speakers for proper implementation of the Digital Cinema Sound VIRTUAL REAR SHIFT and VIRTUAL MULTI REAR sound fields. This setting affects only the VIRTUAL REAR SHIFT and VIRTUAL MULTI REAR sound fields. The receiver offers you four center modes: PHANTOM, 3 CH LOGIC, NORMAL, and WIDE. Each mode is designed for a different speaker configuration. The test tone feature lets you set the volume of your speakers to the same level. (If all of your speakers have equal performance, you don't have to adjust the speaker volume. ) Using the controls on the remote lets you adjust the volume level from your listening position. Make sure the center mode setting is correctly made (see the table on this page). You will hear the test tone from each speaker sequentially. Adjust the volume levels so that you hear the test tone from each speaker at the same volume level when you are in your listening position: · To adjust the balance of the front right and front left speakers, use the BALANCE control on the front of the main unit. ⷠTo adjust the level of center speaker, press CENTER LEVEL + or ­ on the remote. / / ) to select the center mode you want by referring to the following table. if you have Front and rear speakers, no center speaker Front and center speakers, no rear speaker The sound of the center channel is output from the front speakers 3 CH LOGIC The sound of the (3 Channel rear channel is Logic) output from the front speakers The bass sound of the center channel is output from the front speakers (because a small speaker cannot produce enough bass) You can obtain "complete" Dolby Pro Logic Surround sound Front and rear NORMAL speakers, and a small center speaker Front and rear speakers, and a center speaker equivalent to your front speakers You can increase the output level of the rear speakers You can raise the output of the rear speakers by 5 dB. [. . . ] To take advantage of Dolby Pro Logic, you should have at least one pair of rear speakers and/or one center speaker. You also need to select the appropriate center mode to enjoy a full effect. Combination of the level of early reflections and reverberation. You can adjust the effect level in 6 levels. [. . . ]