I'm not sure what a pin is, but if it's a password, I think most receivers come with either 0000 or 1234. If you change that or enter a password, I don't know if they could still be used. Try them and see?
yes i need a master password or master reset for a viewsat xtreme.i don't know how it got changed.0000 was the factory setting now i have no idea what it is.