User manual PIONEER VSX-D712

[. . . ] VENTILATION: When installing this unit, make sure to leave space around the unit for ventilation to improve heat radiation (at least 60 cm at top, 10 cm at rear, and 30 cm at each side). WARNING: Slot and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating, to prevent fire hazard, the openings should never be blocked and covered with items, such as newspapers, tablecloths, curtains, etc. Also do not put the apparatus on the thick carpet, bed, sofa, or fabric having a thick pile. Any failure due to use for other than household purposes (such as long-term use for business purposes in a restaurant or use in a car or ship) and which requires repair will be charged for even during the warranty period. [. . . ] Each press cycles through the options as follows: You can't use the surround back channel if the Surround back speaker setting on page 45 is set to SB . You can't hear the surround back channel with DTS 96kHz/24 bit sources. Selecting this mode allows you to hear a virtual back channel through your surround speakers. For example, you can choose to listen to sources with no surround back channel information (for example, 5. Sometimes the material may sound better in the 5. 1 format for which it was originally encoded. In this case you can have the receiver only apply this effect to 6. 1 encoded sources like Dolby Digital EX or DTSES (VSB AUTO), or you can simply switch it off (VSB OFF). The table indicates when you will hear the virtual surround back channel. Each press cycles through the options as follows: You can't use the Virtual Surround Back mode if the Speaker setting on page 44 is set to S . â· You can only use the Virtual Surround Back mode if the Surround back speaker setting on page 45 is set to SB or SB SW (VSX-D812/D912 only). â· You can't adjust the surround back channel level when you're listening to the virtual surround back channel. Using Midnight and Loudness listening The Midnight listening feature allows you to hear effective surround sound of movies at low volume levels. The effect automatically adjusts according to the volume at which you're listening. The Loudness listening feature can be used to get good bass and treble from music sources at low volume levels. Each press cycles through the effects as follows: Each press switches between BASS and TREBLE. 2 Use the MULTI JOG dial to change the amount of bass or treble as necessary. Wait about five seconds for your changes to be input automatically. You can only use the tone controls when STEREO/DIRECT is selected. DIRECT will switch to STEREO when the tone controls are used. They can't be used when SPEAKER A is switched off. You can't use MIDNIGHT/LOUDNESS when DVD 5. [. . . ] No sound from surround or center speakers. Refer to Manually calibrating your listening area (MCACC) on page 49 (with the VSX-D912, you can do this using the Quick surround sound setup on page 14) to check the speaker levels. Refer to Surround back speaker setting on page 45 to check the surround back speaker settings. â· Refer to Manually calibrating your listening area (MCACC) on page 49 (with the VSX-D912, you can do this using the Quick surround sound setup on page 14) to check the speaker levels. [. . . ]