From Factory Reset
Pioneer VSX-84TXSi Full Reset
- Switch the receiver into standby.
- While holding down the front panel AV PARAMETER button, press and hold STANDBY/ON for about three seconds. The display shows RESET?.
- Press the front panel ENTER button. The display shows RESET OK?.
- Press SETUP to confirm. OK appears in the display to indicate that the receiver has been reset to the factory default settings.