[Elecraft] [KX2] can't feed with signalink

[kevino z]

I took my KX2 with me instead of my KX3. I hooked up the signalink exactly the same. However, when the signalink starts "transmitting" (i.e. PTT red LED lit), the KX2 is not transmitting, and when the signalink finishes, the KX2 displays "connect data to mic jack." 

I searched on the web and didn't see a clue. Can someone please tell me what is this about and how do I get the signalink to work with the KX2? 

And maybe Elecraft can possible document this error in a FAQ or user manual?

Thanks 
-Kevin (KK4YEL)

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