[Elecraft] K2 firmware question

[Don Wilhelm]

Dave,

The only difference between 2.04p and 2.04r is that the sidetone source 
in 2.04p is switchable between U6-25 and U8-4 where in 2.04r it is fixed 
at U8-4.  Those with serial numbers less than 3000 will have to add the 
sidetone source mod (if it has not been previously applied) to use 2.04r.

The sidetone source change has already been applied to any K2 that has 
had either option KPA100 or KIO2 installed.

73,
Don W3FPR

David F. Reed wrote:
> Mine says: 2.04P    1.09
>
> My K2's serial number is: 4950.
>
> What's the difference?  As far as I can tell, its only that the  
> sidetone source is fixed (as opposed to selectable?)...
>
> It doesn't sound like its worth doing; what am I missing?
>
> Thanks and 73 de Dave, W5SV - happily enjoying my Elecraft family - 
> K3, K2, k1, KX-1
>
>
>
> gearjam wrote:
>> Hello Evert,
>>   The latest firmware update is: 2.04R. It just came out.
>>
>>   Turn off your radio and turn it back on. As the word "Elecraft" 
>> appears hit the "display" button. Your current firmware version will 
>> be at the left
>> side of your LCD.
>>
>>   - Larry, NU4B
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