Owner's manual for Pioneer Model: VSX-821-K|

http://www.manualscenter.com/manuals/pioneer/vsxd503s-owner-manual.html#.WjDRjvCWbIU

try here
Pioneer VSX 1018AH 7 Operating Instructions Manual Resetting The System...

or
Pioneer VSX 830 Owner Manual Page 91

http://www.pioneerelectronics.com/StaticFiles/Manuals/Home/VSX-821-k_OperatingInstructions020711.pdf
you can download it from here
https://electronicshelponline.blogspot.com/

Hi
Check the following link. Its athe manual for VSX D 912. May be the same for your one.

http://audio.manualsonline.com/manuals/mfg/pioneer/vsx-d912.html

Ajin

You can download the manual for pioneer vsx 436 from this site:
http://elektrotanya.com/pioneer_vsx-436_536s.pdf/download.html

this is for free. Hope this works for you.

Hello
Get into this site. You can download the user manual of your device free.
www.generalmanual.com > Audio
OK.

Here you go :

http://safemanuals.com/user-guide-instructions-owner-manual/PIONEER/VSX-511S-_E

well you must config the surrond back speaker , check in operators manual how you do-it and pag.17 to 19 . please check for When “SB*” is selected in SPEAKERS setting mode,
the SURROUND BACK distance cannot be set.

so if you dont have check this site, who has the manual to help you how to config.

http://safemanuals.com/user-guide-instructions-owner-manual/PIONEER/VSX-D710S-_E is from 710s, but have 810s also

www.pioneerusa.com then support. I could not find your "Exact" model, and it could depend on where it was purchased. Look at units closely labeled to yours and chances are it will be the same with a different #. Hope this helps