[Elecraft] Prioritizing CAT control?

Don Wilhelm donwilh at embarqmail.com
Mon Aug 22 13:36:09 EDT 2016


Ken,

If there is no TRN addressing in the DEMI transverter, then it will not 
respond to the addressing being sent over the K3 AUXBUS.
You may have to do some decoding of the BAND SELECT lines in the K3 ACC 
connector.

Actually, I think your problem is in the CAT control program - it 
apparently cannot distinguish between the 144MHz band for the internal 
transverter and the external transverter.  Perhaps a macro in your CAT 
control application would resolve it - go the 144MHz band and then do 
however many BAND+ operations it takes to move to the external transverter.

Perhaps someone who uses DEMI transverters can suggest a better way to 
distinguish between the two of them.

73,
Don W3FPR

On 8/22/2016 11:58 AM, Ken Arck wrote:
> Hi Don
>
> What I mean is that I've been using an external DEMI transverter set 
> up as Trn 8 for some time now. for 2 meter EME work. I added the 
> internal K144XV over the weekend and set it up as Int Trn 1 but still 
> want to be able to use the DEMI. No problem as I can select each 
> properly by the BAND button but if I try to set a 2 meter freq by CAT, 
> no matter what band the radio is currently on, it selects Trn 1 and 
> not Trn 8 as it did before.
>
> I don't use the ADR info at all, at least not externally
>
> Ken
>
>
> At 08:51 AM 8/22/2016, Don Wilhelm wrote:
>> Ken,
>>
>> I am not sure what you mean by "#1" and "#8" - I can guess, but I 
>> don't have enough information to know what you mean.
>>
>> Look at the XVn menu items in the K3S manual listing of the menu 
>> functions.  There are two that will affect the selection of the 
>> proper transverter - 1) XVn ON, and 2) XVn ADR.  Be certain both are 
>> set correctly for each transverter.
>>
>> What I am saying is that even though you may call the external 
>> transverter #8, it is the XVn ADR that does the selection of the 
>> transverter - note that the band selection (address) information must 
>> be set to match the addressing of that decoded by the transverter.
>>
>> 73,
>> Don W3FPR
>>
>> On 8/22/2016 11:35 AM, Ken Arck wrote:
>>> I've been using an external xvtr with my K3s for a while now and 
>>> over the weekend, I installed the internal K144XV one. The internal 
>>> is set as #1 and the external is set as #8 (the external has always 
>>> been defined as #8).
>>>
>>> Now I notice that CAT control (to change the freq) calls #1 and not 
>>> #8 as I want. Is it a matter of the "first one in line" - based on 
>>> frequency - is the one called or can I change something in CONFIG to 
>>> select which xvtr is set?
>
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