[Elecraft] KX3 Safety feature?

[Don Wilhelm]

Kevin,

I don't really know what happens if you try to swap VFOs while transmitting.
It is quite likely that the power would drop, and behavior would be as 
you are seeing it.

73,
Don W3FPR

On 2/8/2016 10:06 PM, kevino z wrote:
> It is a rigctl command to clear SPLIT mode.
>
> *S,* *set_split_vfo*     Set split mode, 0 or 1, and transmit VFO.
> S 0 VFOA     turns off split mode and sets transmit VFO to VFO A
> So I guess the better question is if you are in split mode, and 
> transmitting (VFO B), and the KX3 gets a command to turn off split 
> mode, and go to VFO A, what happens?
> Does it keep transmitting but now on VFO A frequency ?
>
> Troubleshooting issues with WSJT-X and just trying to understand what 
> is happening under the hood.
>
> -Kevin (KK4YEL)
>
>
> On Feb 8, 2016, at 21:04, Don Wilhelm <w3fpr at embarqmail.com 
> <mailto:w3fpr at embarqmail.com>> wrote:
>
>> I do not see the "S 0 VFO" command in the K3/KX3 programmer's reference.
>> Is this a command that is being issued to some logging program?
>> If so, that may be a condition of the logging program (or a bug).
>>
>> 73,
>> Don W3FPR
>>
>> On 2/8/2016 8:43 PM, kevino z wrote:
>>> I noticed if my KX3 is in split mode, and transmitting, and the 
>>> command    S 0 VFOA. Is issued, the power level drops to zero. The 
>>> very next time the transmission starts again, the power slowly 
>>> increases from zero to whatever wattage I had set for power out. Is 
>>> this some sort of safety feature?
>>>
>>> -Kevin (KK4YEL)
>>>
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>>