Check the K3S manual on cabling the P3 with the "Y" cable. I don't have the 
manual handy but it is quite easy. USB cable to K3S and then the Y cable 
connects to both P3 sockets and the RJ45 on back of K3S. Set K3S RS232 to USB. 

Sent from my iPhone
...nr4c. bill


> On Jan 7, 2016, at 8:53 PM, John Buck <[email protected]> wrote:
> 
> How do I get my Frequency display back while using the usb cable to the 
> computer.
> The P3 utility seems to be working.  I seem to have the latest firmware and 
> utilities.
> 
> All I can find is the the frequency display on P3 works with rs232. It was.
> 
> I cannot get it with the CB3Y.
> 
> I checked the switch on the KIO3B board.  It is in the right position.
> 
> If it is documented, where?
> 
> John KH7T
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