Well, I see what you are saying, but the offset is the problem. And.
intuitively I will assume that the TX follows the mode set on the VFO.
Anything else is just plain weird.
73,
Randy
K4QO
Lin Davis wrote:
> Hi Randy,
>
> I notice here that when you changed TX from VFO A to B, you assumed
> the TX mode would become the same as the SUB RX mode because it was
> assigned to VFO B too. My first thought is of course it should. But
> should it? With a normal split situation, I'd think you'd want it to
> be the same as MAIN RX. Tricky. TX mode is set indirectly, and not
> always as expected.
>
> 73,
> Lin
> WB1AIW
>
> Randy K4QO wrote:
>
>> This IS a problem - consider this scenario (this is how it happened
>> to me...)
>>
>> I was listening to 30 meter CW (Main Rcvr) and also listening to a 60
>> meter channel (USB) on the Subrcvr. A station I wanted to talk to
>> came on the 60 meter channel. I selected the TX to use VFO B. They
>> reported that I was well off frequency. I immediately signed and
>> investigated and found that when the Main rcvr/VFO A was set to a CW
>> mode, the transmitter set to use the B VFO for USB was not on
>> frequency during transmit only. During rcv it was on frequency.
>>
>> What this means is that there is a "booby trap" if your modes between
>> the two vfo/rcvrs is different (even though you are not operating
>> split) that could cause you to transmit outside the band or in the
>> case of 60 meters, well off frequency - which is very bad.
>>
>> I wasn't trying to operate split with two different modes. I was
>> listening on two different bands with different modes.
>>
>> 73,
>> Randy
>> K4QO
>> _______________________________________________
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>> TenTec@contesting.com
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>>
>>
>
>
>
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