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Discussion Starter · #1 ·
i brough one of ebay and i thought it was like the gaugemaster shuttle unit for use at stations and things but i have come to believe it is not. does anyone know what it is for and i don't think i need it. does anyone want to buy it?

thanks
 

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Hi - i think it just deals with automatic reversal of current on a reverse loop, otherwise as all parts of a DCC layout are 'live' it would short out.
David Y
 
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