I recently received my K4 SN #153 a couple days ago. I transferred all the 
antennas, microphones, and CW keys over from my K3 but have run into a few 
problems.

First, I have tried transmitting in CW but cannot get the radio to transmit 
anything. I have tried two sets of paddles and ensured I plugged it into the 
correct jack. I also tried a straight key in the Key jack and the same issue 
presents itself. I also ensured VOX is on. Even if I manually activate transmit 
there is nothing transmitted. It has me thinking the Jack’s may not be turned 
on.

I have similar issues with the PTT jack behind the radio. The switch I plugged 
into the jack is not activating the transmitter. I did ensure it was plugged in 
correctly.

Finally, I have another issue with the front panel mic jack. I can key the 
radio from it, but the microphone I plugged in is not working. I checked and 
the front panel microphone is enabled in the settings. I have a CM500 plugged 
in to the rear of the radio and it does work when switched to rear input.

Has anyone else run into something like this? I’m concerned there are settings 
I am not enabling that are causing this issue. The accessories in question 
worked fine on my K3 before I changed radios. 

Will Hrachovina
K4MI
Sent from my iPhone for Verizon
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