spektrum dx7s

Hi all you clever people.... I'm approaching a headache by trying to program my new Hobbywings 50 Amp ESC with my spektrum receiver. I have read all manuals and lot of threads with the issue, and here's what I have succeded with so far. Bind the ESC with a regular spektrum receiver, and...

http://www.heliplane.net/2011/05/spektrum-dx7s-2-4ghz-radio/ Would anyone have this one thing? How do you assess it? Maybe you have tried to link with the CPX-BELT? How long the battery can be charged to use it? A lot of questions. But maybe someone could tell in detail about this controller?