[Elecraft] [KX3] New behavior using JT65

Leo Aniol leomaniolone at gmail.com
Thu May 25 20:16:34 EDT 2017


Has been happening to me here also. And it is intermittant.

Leo, AI5II

On May 25, 2017 5:54 PM, "Don Wilhelm" <donwilh at embarqmail.com> wrote:

> Dave,
>
> You still may want to check that cable - or perhaps the soundcard has a
> high noise floor.
> When the audio stops, the KX3 should drop out of transmit when using VOX.
> Of course, I don't know what happens if VOX and PTT are asserted together.
> Cables are always one of the high failure items in any system.
>
> 73,
> Don W3FPR
>
> On 5/25/2017 6:43 PM, David F. Reed wrote:
>
>> Don, thanks for the suggestion; it seems somehow I got VOX turned on when
>> it was off before...
>> Mystery solved.
>>
>> Thanks & 73 de Dave, W5SV
>>
>> On 5/25/17 17:27, Don Wilhelm donwilh at embarqmail.com [KX3] wrote:
>>
>>> Dave,
>>>
>>> Are you using VOX?  If so, try replacing the cable between the soundcard
>>> and the KX3 mic jack, I am thinking it may have a broken shield and is
>>> picking up noise.
>>>
>>> Try switching to PTT instead of VOX.  I don't know your software
>>> application nor its capabilities, but you likely need a "one transistor
>>> keying interface" to drive the KX3 PTT input.
>>>
>>> 73,
>>> Don W3FPR
>>>
>>> On 5/25/2017 5:42 PM, 'David F. Reed' w5sv.dave at gmail.com [KX3] wrote:
>>>
>>>> I have been using my KX3 for JT65 successfully for about a year, but now
>>>> get this new behavior...
>>>>
>>>> When I go to transmit, all is well; when the transmission should end,
>>>> the tones stop as expected, but the KX3 stays in transmit (until I hit
>>>> the XMIT button).  Clearly something is amiss.
>>>>
>>>>
>>
>>
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