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I found out about DC braking on a DCC sytem from Fred Hughes at DCCBitswitch. He told me how to conduct some tests to see if my LGB decoder equipped stuf would work. I had to reprogramed my Mallet, mainly "CV 29" from "4" which is factory set and gives 14 step control on both digital and DC to "0"  which gives the same thing only for digital though and i had a bit of trouble but eventually i got it to work. This is what i am going touse for economical reasons though i don't think it is the best solution by a long chalk. You can do a lot with this by adjusting the inertia within your loco by adjusting CV3 (acceleration) and CV 4 (braking). Look at page 4 of DCCBitswitch's catalogue and he covers the 3 most popular means of automatic braking. 1) Set speed Zero packet. 2) Asymmetric DCC and 3) Analogue DC. In my opinion asymmetric is the way to go but you need to have all your locos fitted with Lenz gold decoders or similar. I think zero speed packet is what LGB use (I could be wrong) and it is a good system but you need a dedicated power booster (a few hundred $ each from LGB) for every sector that you wish to fit out. I have 2 sectors at this stage but this could grow to about a dozen before i am finished. So like the rest of us i am not made of money. This is why i advise everyone who is going to get into DCC to do it early but be very careful what you do. If i had my time over agin i would have LENZ gold right through but to change now is prohibitive. And the same goes for buying locos that are not all that suitable for DCC operation and then regretting it. I cannot speak highly enough of the above gentlemen, very careful, very technical and very honest. After several weeks of negotiation he told me he couldn't help me, as my layout is a true bidirectional one. Look up DCCBitswitch on google. Rgds ian
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