[Elecraft] K3S USB audio output needs to be adjustable in Menu

[Joe Subich, W4TV]

On 6/26/2017 10:00 PM, Guy Olinger K2AV wrote:
> Audio from the K3S via USB is never actual audio in the K3S. After 
> the low IF hits the A/D converter, it's number soup everywhere
> between the A/D and the far end of the USB cable. 

Wrong!  The stereo input of "USB Audio CODEC" is fed by the "Line
Out" analog audio.  Adjusting MENU:LIN OUT will adjust the audio
level into USB Audio CODEC.

73,

    ... Joe, W4TV


On 6/26/2017 10:00 PM, Guy Olinger K2AV wrote:
> Gotta remember that there's no audio here, just numbers that represent
> audio. Somewhere in the PC there is a setting that instructs a program to
> set a reference level for the digital signal. It's not at all like running
> coax from line out jacks. The digital doesn't pick up hum or flat-top. Just
> numbers being thrown around. Audio from the K3S via USB is never actual
> audio in the K3S. After the low IF hits the A/D converter, it's number soup
> everywhere between the A/D and the far end of the USB cable.
> 
> On Mon, Jun 26, 2017 at 9:08 PM, dgb <ns9i at bayland.net> wrote:
> 
>> Can't help but wonder, is anyone adjusting the recording and playback in
>> Windows?
>>
>> Mine works fine by adjusting those. I don't do any vhf though.
>>
>> 73 Dwight NS9I
>>
>>
>>
>> On 6/26/2017 7:59 PM, Jim Rogers wrote:
>>
>>> Richard - I second your report, there is no fine adjustment for the USB
>>> audio on the K3s either in received audio or transmitted audio. When the
>>> band is noisy, I have to reduce LIN OUT to 01 or alternatively reduce the
>>> overall system gain with the RF gain (which in the case of the K3 and K3s
>>> is IF gain).
>>>
>>> When operating meteor scatter on 2M with an Elecraft K144XV transverter I
>>> had to reduce the audio drive from the JT65 software to 50% to prevent RF
>>> power out overshoot and hunting, typical in over-driven closed loop
>>> systems. This allowed me to advance LIN IN and the end result was the power
>>> detection system of the K3s settled down.
>>>
>>> There are work-arounds.
>>>
>>> Jim, W4ATK
>>>
>>> K-Line, K2/10
>>>
>>>
>>> On 6/26/2017 6:11 PM, Christopher Hoover wrote:
>>>
>>>> USB audio with the default settings has been fine for me from the first
>>>> day.     Check your settings?
>>>>
>>>> On Thu, Jun 22, 2017 at 10:31 AM, Dick via Elecraft <
>>>> elecraft at mailman.qth.net> wrote:
>>>>
>>>> Hello Elecraft,
>>>>>
>>>>> When feeding the audio from the K3S USB port to the CPU, the K3S audio
>>>>> level is extremely high and way too hot for good performance on many
>>>>> digital
>>>>> modes.
>>>>>
>>>>> Example, even with my CPU's sound card set at the lowest possible level
>>>>> of
>>>>> "01" my K3S is hitting the JT-65 software with a super strong signal
>>>>> that
>>>>> is  much higher than the software wants to see and performance is
>>>>> degraded.
>>>>> The same is true when operating RTTY using MMTTY or 2Tone software.
>>>>>
>>>>> The USB audio output on the K3S needs to be adjustable in the K3S Menu
>>>>> as
>>>>> it was on the K3 Serial port.
>>>>>
>>>>> I wrote to you a few months ago about this without a positive reply.
>>>>> Please address this serious issue.
>>>>>
>>>>> Thank you-
>>>>>
>>>>> Richard Van Zandt- K9OM
>>>>>
>>>>>
>>>>>
>>>>> In a message dated 6/2/2017 7:28:48 P.M. Central Daylight Time,
>>>>> elecraft-request at mailman.qth.net writes:
>>>>>
>>>>> If you  are using Line Out with a fixed gain setting to feed audio to
>>>>> WSJT-X,  adjusting the AF control will not do anything. What I do is
>>>>> leave
>>>>> my RF  gain control at its normal position (around 3 o'clock) and use
>>>>> the
>>>>> slider  at the lower left in the WSJT-X window to compensate for  gain
>>>>> variations.
>>>>>
>>>>> 73,
>>>>> Rich VE3KI
>>>>>
>>>>> W3FPR wrote:
>>>>>
>>>>>    Bret,
>>>>>>
>>>>>> You may have better luck with running the RF Gain full  and adjusting
>>>>>> with the AF gain.  That way the RX AGC will smooth  out variations in
>>>>>> the
>>>>>> signal level.
>>>>>>
>>>>>> 73,
>>>>>> Don  W3FPR
>>>>>>
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