[Elecraft] K2 - No CW Sidetone

[Don Wilhelm]

  Not so much amazing - when you run across this "problem" many times, 
it becomes embedded in the brain.
This has been a perpetual K2 support problem, and the selection was left 
in the firmware to support old K2s without the updated wiring for the 
KIO2 or KPA100 on the control board.
Fortunately (for support), the last level of firmware (2.04R) eliminated 
the U6-25 source, so anyone upgrading firmware in an older K2 (less than 
SN 3000) will have to make the wiring change if it is not already done.

73,
Don W3FPR

On 4/2/2011 5:41 PM, Tom McCulloch wrote:
> Don---
>
>     Your are amazing!  How do you know all of this stuff?
>
>     Once again thanks.  I was getting no output from the U6-25 source and
> when I changed the menu to U8-4 there is was load and clear!
> I had just taken out my KI02 before this problem arose so I suspect that
> was the reason the re-setting needed to be done.
>
> I'll repeat myself -- Don, you're amazing!!
>
> Thanks once again.
>
> Tom
> WB2QDG
> K2 1103
>
> On 4/2/2011 5:33 PM, Don Wilhelm wrote:
>>     Tom,
>>
>> Yes, there is a menu item - it is the sidetone source.
>> Enter the menu for STL, then set the parameter for something loud enough
>> for you to hear - use 25 if you have no other idea.  Then while still in
>> the menu edit, tap the DISPLAY button to toggle between the 2 sidetone
>> sources (it sometimes takes multiple taps).  Stop when you hear sidetone
>> and tap the menu button twice to exit the menu.
>>
>> If you frequently change the sidetone level, there is a chance of
>> accidently tapping the Display button while still editing the sidetone
>> level.  When zero beating, I recommend you change the AF gain to make
>> the signal about the same amplitude as the signal rather than changing
>> the sidetone level - it is faster and less chance of an error.
>>
>> 73,
>> Don W3FPR
>>
>>
>> On 4/2/2011 5:15 PM, Tom McCulloch wrote:
>>> Hi,
>>>      I seemed to have lost my CW sidetone (and the "spot" function as well)
>>> on my K2 - s/n 1103.  I'm getting audio from the receiver out of the
>>> speakers and the transmitter seems to be transmitting.
>>>
>>> Any ideas?  is there a menu setting I may have accidentally turned off?
>>>
>>> Tnx
>>> tom
>>> WB2QDG
>>> K2 1103
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