Dynamis turnout decoders

Hi just a short post need advice on using the esu Switchpilot with theDynamis which I have obtain from Digtrains at a very good price when you look at Bachman own which is the same in different box the only problem was it only contain a German manual , But have got a English one of there Web site I would like to know if the best way to wire this up I am thinking of using a separate power supply could any one give me the best answer to this
noel