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Reply to "Decoder Installation - MTH 4-8-4 Greenbrier"

Dave_C posted:

Real interesting read. Love the step by step tutorial. I'm guessing I could run DCC equipped engines with TMCC at the same time. It would only conflict with DCS ?

I would not try to run anything at the same time with two different control systems. I'm not too familiar with TMCC, but analog conventional, DCS, and DCC are definitely not compatible, if you mean actually running them simultaneously on the same track.

You can achieve some 'compatibility' between systems on the same layout, if you are careful with what is powered where, get creative with switching systems with some DPDT switches and so on. I have not done this personally, however.

The chuff rate seems perfect at 4 chuffs. How is this accomplished ?

The chuff rate is controlled with a couple CVs in the decoder, and you can really get it dialed in nicely, as you say. The procedure is well documented in the manual. You can also use hall sensors or other sensors as a trigger, if you really want it dead on accurate, but that is not so easy to install in most cases. The CV approach has been more than adequate for my purposes.

What is not documented at all in the manual, is getting the smoke fan motor synced to the sound! I had to figure that out, reverse engineer style. See my other thread here for details on that.

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