Since your saved configuration did not work, that configuration may have an error. Doing an EEINIT without going through the entire calibration procedure is bound to produce multiple errors of unknown types. If your KX3 is a factory built unit, Elecraft may be able to retrieve the factory configuration file for you. Contact [email protected] to see if they can send you the file.

You can do *all* the calibration manually. Follow the calibration procedures in the manual.

73,
Don W3FPR

On 4/8/2014 2:56 AM, VaibhaV Sharma wrote:
On Apr 7, 2014, at 11:40 PM, VaibhaV Sharma <[email protected]> wrote:

Hello,
Just a few minutes ago, my KX3 started showing the ATU as “not inst” in the 
"ATU.x MD” menu.

Was tuning around on 20m using Ham Radio Deluxe rig control and the KX3 serial 
communication became very sluggish. I reset the serial port and restarted Ham 
Radio Deluxe but it was still sluggish (frequency changes from the software 
were taking several seconds).

I then did an EE INIT and restored KX3 configuration from backup but the ATU 
text does not appear on the main screen and ATU still shows “not inst”.

Opened up the KX3 and I don’t smell anything other than the nice new PCB smell. 
:)

Any ideas?

More info -

I went through the EE INIT process again and did not restore configuration this 
time.

Followed the manual to enable optional ATU and KXFL3 modules and now the radio 
lets me enable ATU in the menu but does not let me transmit. When I try to 
initiate an ATU tuning cycle or mic transmit, I see an error -

d = 000
ERR TxC

When I press the “DISP” button to clear, I get the next error -

ERR TXS



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