Just got my AT Pro today. Set it up for bench test and it works fine in standard mode. But when I switch to Pro mode all I get is a blaring signal and it won't pick up a quarter over 2 inches. The target i.d. will indicate 80 to 85 at several inches but the audio signal is just a loud high pitched whine. I unhooked the coil and the headphones and reconnected the coil but the results are the same. I sure hate waiting this long to get something and then have to send it back. No telling what the waiting period for repairs are. Anyone else have this problem? I haven't used it outside and groundbalanced it, just using factory settings to air test.