Bought a MTH 0-8-0 w/ electronic whistle and proto smoke. Did a lot of research on this and was pretty happy so I bought one, didn't want a PS1. Got it yesterday and it appears to have PS1. When you start the engine you get 2 bells, shut it down 1 bell. Then when your go forward it chugs and the whistle has a low tone but has to be moving. On youtube the electronic whistle is a high tone and no sound. There are no switches on the bottom of the tender but there is holes where they go. When I match up the functions on you tube it looks like a PS1. Anyone know the difference, thanks
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