[Flightgear-users] Festival software and ATC doubt

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 Hello
 There is some time that I´m playng Flightgear and enjoying the
beautiful scenery.
 Now I want to use FlightGear  as a  flight simulator, its primary
objective.
 First I would some help how to use ATC.I have FG always updated
using tortoise.
 In my system when a press " -" on  numberpad the program opens a
menu whith some opitions.
 Could some one help me  where  to find some instructions or  where
can I find a tutorial for this?Them official manual
 is lack of this instructions and I could not find this in WIKI
documentation.
 Second question, is there any Festival pre-compiled version  for
windows ?
 Where can I start learnig IFR navigation?
 Sorry for so many questions.
 Best Regards
 .
 Francisco R. Carvalho