P3 MKR Operation is jumpy / baud rate

[Allen Brier N5XZ]

I noticed that the MKR control with the knob on my P3 is very jumpy (i.e.
not smooth) so I decided to check my baud rate of all equipment connected.
Currently, I am running the K3/P3 with LOGic 9, and a SteppIR control
(connected with a "Y" cable). I checked baud rates for everything, at they
are all set for 38,400. I even verified that the baud rate of the computer
port is set the same. However, the control is still far from smooth. I also
noticed that when the K3 is showing the baud rate in the CONFIG menu, it
will show 4800 baud when I press the DISP button. I can't find anything in
the manual to explain. Perhaps I am not setting the baud rate correctly?

Allen R. Brier N5XZ / KL5DX
1515 Windloch Lane
Richmond, TX 77406-2553
281-342-1882 (Home)
713-705-4801 (Cell)
[hidden email]
[hidden email]


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[Alan Bloom]

 > I also noticed that when the K3 is showing the baud rate in the
 > CONFIG menu, it will show 4800 baud when I press the DISP button.

That sounds like the P3-to-K3 RS-232 connection is not working.  It
should automatically be set to 38,400 baud.  Do you see the K3 VFO A
frequency display on the P3?

The SteppIR Y cable should go between the P3 and the computer.  It
theoretically should still work if it is on the K3 side, but it works
better on the PC side and perhaps something isn't connected properly.

Alan N1AL


On 1/7/2013 6:47 PM, Allen R. Brier wrote:

> I noticed that the MKR control with the knob on my P3 is very jumpy (i.e.
> not smooth) so I decided to check my baud rate of all equipment connected.
> Currently, I am running the K3/P3 with LOGic 9, and a SteppIR control
> (connected with a "Y" cable). I checked baud rates for everything, at they
> are all set for 38,400. I even verified that the baud rate of the computer
> port is set the same. However, the control is still far from smooth. I also
> noticed that when the K3 is showing the baud rate in the CONFIG menu, it
> will show 4800 baud when I press the DISP button. I can't find anything in
> the manual to explain. Perhaps I am not setting the baud rate correctly?
>
> Allen R. Brier N5XZ / KL5DX
> 1515 Windloch Lane
> Richmond, TX 77406-2553
> 281-342-1882 (Home)
> 713-705-4801 (Cell)
> [hidden email]
> [hidden email]
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
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> Please help support this email list: http://www.qsl.net/donate.html
>
>

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[Allen Brier N5XZ]

I'll check the cable configuration next chance I get. Everything is working, except for these two anomolies:
1. MKR movement is "jumpy" and
2. In the CONFIG menu, it will show 4800 baud when I press the DISP button even while showing 38,400 when not pushed. What does that mean exactly?

Allen N5XZ


-----Original Message-----

>From: [hidden email]
>Sent: Jan 8, 2013 11:00 AM
>To: [hidden email]
>Subject: Elecraft Digest, Vol 105, Issue 14
>
>------------------------------
>
>Message: 28
>Date: Mon, 07 Jan 2013 20:20:57 -0800
>From: Alan Bloom <[hidden email]>
>To: [hidden email]
>Subject: Re: [Elecraft] P3 MKR Operation is jumpy / baud rate
>Message-ID: <[hidden email]>
>Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> > I also noticed that when the K3 is showing the baud rate in the
> > CONFIG menu, it will show 4800 baud when I press the DISP button.
>
>That sounds like the P3-to-K3 RS-232 connection is not working.  It
>should automatically be set to 38,400 baud.  Do you see the K3 VFO A
>frequency display on the P3?
>
>The SteppIR Y cable should go between the P3 and the computer.  It
>theoretically should still work if it is on the K3 side, but it works
>better on the PC side and perhaps something isn't connected properly.
>
>Alan N1AL
>
>
>On 1/7/2013 6:47 PM, Allen R. Brier wrote:
>> I noticed that the MKR control with the knob on my P3 is very jumpy (i.e.
>> not smooth) so I decided to check my baud rate of all equipment connected.
>> Currently, I am running the K3/P3 with LOGic 9, and a SteppIR control
>> (connected with a "Y" cable). I checked baud rates for everything, at they
>> are all set for 38,400. I even verified that the baud rate of the computer
>> port is set the same. However, the control is still far from smooth. I also
>> noticed that when the K3 is showing the baud rate in the CONFIG menu, it
>> will show 4800 baud when I press the DISP button. I can't find anything in
>> the manual to explain. Perhaps I am not setting the baud rate correctly?
>>
>> Allen R. Brier N5XZ / KL5DX
>> 1515 Windloch Lane
>> Richmond, TX 77406-2553
>> 281-342-1882 (Home)
>> 713-705-4801 (Cell)
>> [hidden email]
>> [hidden email]
>>
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>

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