Hi,
i think it's impossible to choose a subsequence directly from LV, but
you have several other options, e.g. set preconditions or
goto-step-types, depends on your output of the LV vi!
Here is one link to another forum entry:
http://forums.ni.com/ni/board/message?board.id=330&message.id=2848&requireLogin=False
regards,
ThSa