I have done it!!! Have it all working now
Thanks for all of the help, I took in what mrlownotes said, had a think about it, and realised that it is mostly [I think] a set of relay switches in its self. That was my relay swiches that were coupled to to decoder would not work. Really pleased now. Going to get cracking on the model ship now. 1/48th scale model of HMS Woodpecker, with as many working functions as I can. Thanks guy's, I owe you all a pint.
Thank you guy's
ps. Still now what voltage I can use, I have been using a spare rx pack with it, but if every thing I use is 12 volts, I assume it will need a 12 volt supply.