Hi i just got ATC simulator 2 and i cant get my SR to work. i talk into the microphone and the aircraft doesnt respond. I downloaded all nessessary tools but still nothing. What do i need to do to get it to work. I bought this product because i wanted to communicate verbally not text. Please Help

For a link to the ATC Simulator support forums, go to www.atcsimulator.com--Tom________http://www.reality-xp.com/community/nr/rsc/rxp-higher.jpg------------SYSTEM SPECIFICATIONS------------ Dell Pentium 4 at 3.2GHz with 800MHz FSB 1GB Dual Channel DDR SDRAM at 400MHz 128MB DDR ATI RADEON 9800 Pro 21 inch P1130 FD Trinitron CRT Monitor 120GB Ultra ATA/100 Hard Drive Sound Blaster Audigy 2 with DVD Audio WindowsXP Home Edition with Microsoft Plus!