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Re: [TenTec] V2.055 bug /watch out on 60 meters!

To: Lin Davis <linbdavis@earthlink.net>
Subject: Re: [TenTec] V2.055 bug /watch out on 60 meters!
From: Randy K4QO <k4qo@earthlink.net>
Reply-to: k4qo@earthlink.net,Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 20 Apr 2006 05:34:20 -0400
List-post: <mailto:tentec@contesting.com>
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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>>
>>
>
>
>
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