http://translate.google.es/translate?sl=en&tl=es&js=n&prev=_t&hl=es&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwiki.ross-tech.com%2Fwiki%2Findex.php%2F17831%2FP1423%2F005155
http://translate.google.es/translate?sl=en&tl=es&js=n&prev=_t&hl=es&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwiki.ross-tech.com%2Fwiki%2Findex.php%2F17819%2FP1411%2F005137
Mira esto, espero que te sirva.