SUNFIRE TGP-401 AV Pre/Pro...how do do a factiory reset ?

Hi Everyone...first time poster.

SUNFIRE TGP-401 AV Pre/Pro...how to do a factory reset?

The Google AI recommendation is wrong.

I think it's referred to in the menu as factory recall settings...but, needs some sort of 4 digit PIN.

Any simple/stupid cheats to do the same thing?

Let me know...thanks.

Chris - acX.

Need to do this, in order to get output signal from all channels.

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