Siemens touch screen MP277

WINCC FELEXIABLE2007 procedure code to use, to download the MP277 touch screen found numerical input, can not enter the decimal point and can only show a comma.Errant have to ask, what kind of a problem, how to solve?? Thank you! ! 1

suggest that you go / wapindex.asp? Siteid = 956 & classid = 2274 & path = http see if you can not solve the problem of German When translated into English is not completely caused by a comma to decimal point is expressed.