My K3 suddenly stopped transmitting in the "Data" mode (ft8). The transmitter keys but little or now power out is generated. This happens on all bands. Full power is generated in the other modes (CW and SSB). I haven't knowingly changed any setting. I tried recycling the rig on/off several times but that didn't help.
Does anybody have any idea as to what is going on and how to correct the problem?
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