Reset procedure of Pioneer VSX-1020 is as follows..
To restore settings to the factory default. Use the front panel controls to do this. Set MULTI-ZONE to OFF. Disconnect the iPod and USB memory device from the receiver beforehand.
1- Switch the receiver into standby.
2- While holding down ENTER on the front panel, press STANDBY/ON. The display shows RESET < NO >.
3- Select ‘RESET’ using PRESET << / >>, then press ENTER on the front panel. The display shows RESET? OK.
4- Press ENTER to confirm. OK appears in the display to indicate that the receiver has been reset to the factory default settings.
Hope this will help.
(http://www.justanswer.com/electronics/5lk82-hard-reset-vsx-1020-k.html)
