[Elecraft] Mic gain goes to zero using N1MM

[Joe Subich, W4TV]

> In my shack I use LP-Bridge to provide virtual serial ports,
> including one to the K3.

Does the problem occur if LP-Bridge is not running?  LP-Bridge
proxies commands and answers polling from its own "virtual K3".
Both are capable of causing abnormal operation, particularly
with N1MM Logger+ and another program such as NaP3 polling at
maximum data rates.

In addition to N1MMLogger+ what other applications are running when
this problem occurs?

73,

    ... Joe, W4TV


On 9/9/2015 11:38 PM, K8TE wrote:
> Bill,
>
>
>
> Memory macros-nope.
>
>
>
> All the N1MM macros are the "standard" button pushes for the DVK messages.
> A raspberry Pi may be in the future for my station control now that an
> inexpensive touchscreen is available.  But I will stick with N1MM+-K3
> interface for now.  In my shack I use LP-Bridge to provide virtual serial
> ports, including one to the K3.  However, this anomaly has appeared when
> using my old Vista laptop with both N1MM Legacy and Plus.
>
>
>
> A passive logger could possibly indicate the anomaly's source.  Any suggests
> for a software logger?
>
>
>
> Consider that some other command could also be mangled into MG 0. The
> mangling can occur anywhere in the command.
>
>
>
> What would be useful here is a passive logger for the RS-232 connection. It
> would simply monitor the connection and log everything sent over it. It
> sounds like a Raspberry Pi application to me, but I like to play software
> that is near the hardware level. You could also do it with an Arduino, which
> gets rid of the OS, but also makes display output harder. YMMV.
>
>
>
> 73 Bill AE6JV
>
>
>
> Guy,
>
>
>
> I don't believe I've indicated this is an analog problem.  It's most
> obviously a software/firmware problem.  There is no "MG" command in the N1MM
> DVK macros:
>
>
>
> CATA1ASC SWT21;
>
> CATA1ASC SWT31;
>
> CATA1ASC SWT35;
>
> CATA1ASC SWT39;
>
>
>
> The only commonality between occurrences is N1MM (various versions) and a
> pair of K3's with various firmware versions.  There are no common cables,
> USB hubs, serial cards, computers, etc.  That is not to say that some errant
> event occurs on rare occasions.  It is interesting to not nothing else goes
> astray on the K3 when using N1MM.
>
>
>
> Since the anomaly occurred with a K3, and another K3 owner had a similar
> issue this year, I posted here first.  Next I'll give it a try on the N1MM+
> e-mail group.  I'm watching an episode of Sherlock Holmes on PBS as I type
> this message-what an appropriate coincidence, or is it?
>
>
>
> 73, Bill, K8TE
>
>
>
> Since the mic gain, displayed in a digit format, is reported as
> literally going to the digit zero, we must remember that everything
> inside a dotted line within the K3 is entirely SDR. We must carefully
> avoid our decades-ground-in tendency to think of troubles in our
> familiar and comfortable analog fashion.
>
>
>
> From: Iain MacDonnell - N6ML-2 [via Elecraft]
> [mailto:ml-node+s365791n7607363h8 at n2.nabble.com]
> Sent: Wednesday, September 9, 2015 6:38 PM
> To: K8TE <billamader at gmail.com>
> Subject: Re: Mic gain goes to zero using N1MM
>
>
>
> On Wed, Sep 9, 2015 at 6:07 AM, K8TE <[hidden email]> wrote:
>> I have experienced this same problem over numerous N1MM versions (legacy
> and
>> Plus).  It is very intermittent and I'm unable to identify a specific
>> command or cause.  It's happened to me on both my shack and portable
>> computers.  This symptom does not show up with my daily logger (N3FJP
> ACLog)
>> but it has occurred with both of my K3's.
>>
>> I use the "typical" K3 commands for either keying DVK memories or audio
> from
>> my computers.  I don't use any of the mic gain command strings in N1MM+.
>
> Is it possible that you have a macro associated with one of the memory
> buttons('s programmable function), which sets the MIC gain, and one of
> your lesser-used N1MM Logger messages is virtually pushing that button
> (SWT/SWH)?
>
> 73,
>
>      ~iain / N6ML
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