I was thinking the same thing. If there is anyone in Massachusetts who is willing to spend couple of minutes by swapping his γ3 modules is welcome to come to my house.
I was playing with foobar2000 settings using SoX resampler. When I change the SoX sample rate settings while song is playing, the corresponding frequency appears on the display. So, it does its thing as supposed to do, I guess. But the question is why is it happening when display is OFF.