[Elecraft] K3s Sensitive adjustment for FT8

Bob McGraw K4TAX rmcgraw at blomand.net
Sun Jun 16 18:04:37 EDT 2019


As I've written in the past, there are 3 places which affect the audio 
levels.   As a good rule, all  three need to be adjusted and all about 
the same value.   Thus the computer SPKR level needs to be about 30% to 
40%,  the WSJT-X PWR slider about 30% to 40% and the radio line gain 
about 30% to 40%.   These are of FULL VALUE what ever scale they may use.

If one has a value at 90% and another at 10% consider that as having one 
foot mashing down on the accelerator and the other foot mashing down on 
the brakes at the same time.   Well you can figure the results out for 
yourself.

Windows does update things from time to time and thus things change.  
Also if you use your computer for other "sound" activities, any change 
made from that activity may or will change other things.    Just 
understand how things works and expect to quickly be able to make 
adjustments with good understanding as to why they need changing.    
None is a set-and-forget system.

73

Bob, K4TAX


On 6/16/2019 4:50 PM, Gary Smith wrote:
> Bill & all those who replied,
>
> Thanks. I had tried turning everything to
> around 52 in the windows device but that
> did not resolve the issue. I dropped it to
> 1/3 and indeed that resolved the issue.
> I've no idea why things are so different
> than they were but They are what they are.
>
> Thank you!
>
> 73,
>
> Gary
> KA1J
>
>
>> Go to the Win10 volume mixer. Turn down the wsjt slider to about 30%
>> from the bottom. Now the K3 Lin In control will have the proper
>> adjustment sensitivity.
>>
>> Sent from my iPhone
>> ...nr4c. bill
>>
>>
>>> On Jun 15, 2019, at 7:43 PM, Gary Smith <Gary at ka1j.com> wrote:
>>>
>>> Something new has come up with the
>>> K3s/JTDX settings and I can't find where
>>> to adjust it to make a change. This is
>>> new, it has been fine till a couple days
>>> ago & maybe the recent win 10 update
>>> nailed me again?
>>>
>>> Till now, when setting the levels for Tx
>>> for FT8, I would adjust the setting on the
>>> screen for 4-5 bars with the last one
>>> flickering by adjusting the output with
>>> the speed/Mic knob. The line level would
>>> be somewhere around 5-7 to get this
>>> reading.
>>>
>>> Now I have what seems like
>>> hyper-sensitivity, overdrive in that I now
>>> get 5 solid bars with none flickering at
>>> line level 2, I get no bars at line level
>>> 1.
>>>
>>> With the K3s set at 20W drive:
>>>
>>> At line level 0 I have no output.
>>>
>>> At line level 1 I have 18W & no bars
>>>
>>> At line level 2 I have 5 bars and 18W
>>> output.
>>>
>>> There is no adjustment to give me 1, 2, 3
>>> or 4 bars.
>>>
>>> I have tried setting the windows sound
>>> settings at different values with no
>>> success, this issue persists.
>>>
>>> Any idears?
>>>
>>> Thanks,
>>>
>>> Gary
>>> KA1J
>>>
>>>
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>
>
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