How to factory Reset Yamaha Natural Sound RX V679 7.2 Channel HDMI 4K Ultra HD AV Bluetooth WiFi Home Theater Surround Receiver

Press and hold the 'straight button", then press and hold the "start button" till you see the menu.
With the program buttons go to "Init", click few times with the "straight button" till you select 'All"
, then turn off the receiver and it will be factory reset.

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