I've been burned helping someone once that had a whole mish mash of firmware revs. I'll add that to the Wiki for trouble shooting.

For the record the RS Meter has never failed me but I can't say it's producing optimal results compared to other Mic setups. I just did a quick run the other night and got 49-50db S/N on all my speakers.

- Fiddler (IMHO)

If you think listening to music is fun, try learning an instrument.
HT: G61RSL, 4x5K, 5.5KHC, 2xSC6000, Transporter, HD621, Philips BDP7501 4K, Tivo, 65" LG OLED 4K C6
Computer: Foobar2000, 5K, Mojo, HiFiMan HE1000 V2