Pioneer VSX81TXV Owner's Manual - Page 45
Select 'THX Audio Setting' from the Manual SP
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The System Setup menu 07 X-Curve Most soundtracks mixed for cinema sound too bright when played back in large rooms. The X-Curve setting acts as a kind of re-equalization for home theater listening, and restores proper tonal balance of movie soundtracks.1 1 Select 'X-Curve' from the Manual SP Setup menu. 5.Manual SP Setup a.Speaker Setting b.Channel Level c.Speaker Distance d.Bass Peak Level e.X-Curve f.THX Audio Setting 5e.X-Curve X-Curve -2.0dB/oct 63 125 250 500 1k 2k 4k 8k 16k :Return :Finish 2 Choose the X-Curve setting you want. Use / to adjust the setting. The X-Curve is expressed as a downwards slope in decibels per octave, starting at 2 kHz. The sound becomes less bright as the slope increases (to a maximum of -3.0dB/oct). Use the following guidelines to set the X-Curve according to your room size: Room size (ft2) ≤400 ≤550 ≤650 ≤800 ≤2200 ≤12000 X-Curve (dB/oct) -0.5 -1 -1.5 -2 -2.5 -3 If you select OFF, the frequency curve will be flat and the X-Curve has no effect. 3 Select 'Return' then press ENTER to finish. THX Audio Setting For the most effective results when using the THX Select2 Cinema and THX MusicMode listening modes (see Using the Home THX modes on page 27) with the Advanced Speaker Array (ASA) system (see About THX on page 78), it is required that you make the setting. See THX speaker system setup on page 19 for more on THX speaker placement.2 1 Select 'THX Audio Setting' from the Manual SP Setup menu. 5.Manual SP Setup a.Speaker Setting b.Channel Level c.Speaker Distance d.Bass Peak Level e.X-Curve f.THX Audio Setting :Return 2 Specify the distance of your surround back speakers from each other. 5f.THX Audio Setting SB SP Position 0-1 ft SBL-SBR :Finish • 0-1 ft - Surround speakers within 1 foot apart (best for THX surround sound). • 1- 4 ft - Surround speakers between 1 and 4 feet apart. • 4 ft < - Surround speakers more than 4 feet apart. 3 When you're finished, press RETURN. You will return to the Manual SP Setup menu. Note 1 Since the principal is the same, X-Curve isn't applied when you're using any of the Home THX modes (see Using the Home THX modes on page 27). 2 If you don't have surround back speakers, or just have one, you won't be able to select this setting (Cannot select shows in the display). 45 En