[Elecraft] [K2] Sidetone has suddenly disappeared.

[Don Wilhelm]

Chip,

If you want to do a good job of learning the K2, go through the manual - 
you can skip the assembly parts because it is already assembled, but 
"walk through" the alignment and test parts.  There is a lot of learning 
that a builder obtains in those sections that is not repeated anywhere 
else.  You will not have to actually do the alignments, but just know 
that those steps are present.  Then repeat that process for each of the 
installed options.
If you do not have the manuals, you may download them from the Elecraft 
website.

It would be nice if some enterprising K2 owner would write a 
comprehensive K2 Owner's Manual since many K2s now are not owned by 
those who have built one.  Is there anyone out there up to the task?  I 
simply do not have the time to do that.

73,
Don W3FPR

On 7/28/2011 10:00 AM, Chip Stratton wrote:
> Nuts. Ill bet i inadvertantly changed the sidetone source, because i had
> been viewing the secondary menus just before. Overlooked sidetone source.
>   Should have posted before pulling..... I got this K2 second hand and have
> been trying to learn the ins and outs - there is a lot there.
>
> Thanks for your time Don!
>
> Chip
>
> On Thursday, July 28, 2011, Don Wilhelm<w3fpr at embarqmail.com>  wrote:
>> Chip,
>>
>> I suspect that you accidentally toggled the sidetone source in the menu.
>> If your K2 SN is 3000 or greater, or you have an earlier K2 with the
>> KPA100 or KIO2 added, you need to select U8-4 for the sidetone source.
>> If none of those conditions match, the sidetone source is U6-25.
>>
>> If you put Q5 back in the circuit, enter the menu for St L, hold EDIT to
>> edit the parameter, and first set the level at something reasonable -
>> between 20 and 40 - then tap the DISPLAY button to toggle the source.
>> When you hear sidetone, stop and exit the menu.
>>
>> To prevent future occurrences, I suggest that you do not set a PF key to
>> St L.  When zero-beating, adjust the audio level on the signal (to match
>> the sidetone level) with the AF Gain control instead of adjusting the
>> level of the sidetone to match whatever signal level you have.
>>
>> 73,
>> Don W3FPR
>>
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