[Elecraft] K2 Sidetone Problem

[Don Wilhelm]

Folks,

OK, I looked at the firmware chip that I received just today, and it is 
level 2.04R instead of 2.04P.
I do not have confirmation, but from Larry's report, it may be that the 
sidetone source is now fixed at U8-4.  If so, it will solve a lot of 
problems that users have, even though it may prove to be a minor 
inconvenience for those who still have older K2s without the sidetone 
source change.

I am going out on a limb here without confirming information, so be 
gentle if I am later proven incorrect.

73,
Don W3FPR

gearjam wrote:
> Hey guys,
>  I just went ahead and did the U8-4 mod and of course the sidetone was
> there. Maybe the firmware was changed so you didn't have a choice.
> Everything else seems to work OK.
>
> Thanks and 73,
>
> Larry, NU4B
>
>
> gearjam wrote:
>   
>> I have upgraded my firmware to the latest revision. (and replaced the I/O
>> controller). The sidetone is gone. There is no option to change the
>> source, it stays on U8-4 when I tap the display button.
>> When I put the old IC back, the sidetone returns. My K2 is an older (1644)
>> rig and I don't have the 100 watt option or the the KIO2 option installed.
>> Does anyone have any ideas?
>>
>> Thanks, Larry
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>>     
>
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