[Elecraft] ANTENNA TUNER on KX3-PROBLEM

Don Wilhelm w3fpr at embarqmail.com
Sat Nov 23 17:37:33 EST 2013


Review all the KXAT3 installation instructions and make certain that 
everything is plugged in correctly.
The N/A display indicates that there is no communication between the KX3 
processor and the processor in the KXAT3.  A misplaced connector pin or 
something of that order is the usual suspect.

73,
Don W3FPR

On 11/23/2013 9:43 AM, mistymaggie wrote:
> Hi,
>
> I received my KX3 yesterday and I love it--I downloaded the utility and
> updated the firmware (see below)
>
> 07:52:13 Elecraft KX3 Utility Revision 1.13.4.29
> 07:52:13 OS Version 6.2 Build 9200
> 07:52:14 Attempting to contact KX3 on port COM4 at 19200 bit/s
> 07:52:14 Attempting to contact KX3 on port COM4 at 9600 bit/s
> 07:52:14 Attempting to contact KX3 on port COM4 at 4800 bit/s
> 07:52:14 KX3 MCU revision 01.61. RS-232 speed 4800 bit/s
>
> Right now the only thing I am having trouble with is the ATU. I have gone to
> the config and made sure it is set to auto--It read at first not inst--I
> double checked-(eye ball) to see if the unit was installed and it was.--When
> I press auto tune it comes up as N/A---
>
> I set the vfo to 40m hit the transmit and the swr is very high
> I used an external ANT Tuner MFJ after I went in and by passed the
> tuner--and tuned 40 m to a 1.2 then I tried transmit again on the EX3 and it
> read 1.2
>
> I know I am new to the unit so I believe I am doing something or have not
> done something correctly--I failed to mention before I did anything I
> checked all the config settings and they were all default according to the
> manual--Any help out there ??
>
>



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