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KXPA100 Question

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Grant Youngman-2

KXPA100 Question

Just got a shiny new KXPA100.

I’m using “tight” integration with my KX3. The one downside I’ve observed is that when PA Mode is On, the cursor display on the PX3 gets jerky and doesn’t follow well. It isn’t terrible, just jerky. I assume this is the result of the KXPA adding data load through the PX3.

Can anyone confirm for me if this is normal behavior, or if I should be looking elsewhere?

Thanks ..

Grant NQ5T
KX3 (8342)/KXPA100

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Donald Wines

Re: KXPA100 Question

Grant,

Don’t know if it’s normal behavior but my setup is exactly like yours and the behavior is the same. Especially noticeable at a high tuning rate. I bought the KXPA100 from an individual but it had never been used, essentially new.

Don, K5DW

Sent from my iPad

> On Aug 18, 2019, at 1:16 PM, Grant Youngman <[hidden email]> wrote:
>
> Just got a shiny new KXPA100.
>
> I’m using “tight” integration with my KX3. The one downside I’ve observed is that when PA Mode is On, the cursor display on the PX3 gets jerky and doesn’t follow well. It isn’t terrible, just jerky. I assume this is the result of the KXPA adding data load through the PX3.
>
> Can anyone confirm for me if this is normal behavior, or if I should be looking elsewhere?
>
> Thanks ..
>
> Grant NQ5T
> KX3 (8342)/KXPA100
>
>
> ______________________________________________________________
> 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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Grant Youngman-2

Re: KXPA100 Question

Don …

Thanks. That answers my question. You’re right, it’s close enough if you’re tuning slowly, but if you try to tune quickly the PX3 cursor doesn’t follow so well.

Grant NQ5T
KX3 (8342)/KXPA100

> On Aug 18, 2019, at 4:30 PM, Donald Wines <[hidden email]> wrote:
>
> Grant,
>
> Don’t know if it’s normal behavior but my setup is exactly like yours and the behavior is the same. Especially noticeable at a high tuning rate. I bought the KXPA100 from an individual but it had never been used, essentially new.
>
> Don, K5DW
>
> Sent from my iPad
>

Donald Wines

Re: KXPA100 Question

Grant,

Something else I've noticed since getting the KXPA100 is the Select knob on
the PX3 gets flaky if it's turned too fast. It seems to work fine if you
turn it slowly. For instance when setting the Ref Level if the Select
control is turned very fast the display just jitters and doesn't change the
level. But when turned at a very slow rate the level changes appropriately.
I didn't notice this behavior before I put the KXPA in line.

You might try that and let me know what happens.

Thanks,
Don, K5DW

On Sun, Aug 18, 2019 at 2:41 PM Grant Youngman <[hidden email]> wrote:

> Don …
>
> Thanks. That answers my question. You’re right, it’s close enough if
> you’re tuning slowly, but if you try to tune quickly the PX3 cursor doesn’t
> follow so well.
>
> Grant NQ5T
> KX3 (8342)/KXPA100
>
>
>
>

Grant Youngman-2

Re: KXPA100 Question

I fiddled with it a bit, and really didn’t notice any major changes in how the PX3 controls function. Not that there aren’t any.

The simple solution is to simply set PA Mode: Off when generally tuning around.

Grant NQ5T
KX3 (8342)/KXPA100

> On Aug 18, 2019, at 5:30 PM, Donald Wines <[hidden email]> wrote:
>
> Grant,
>
> Something else I've noticed since getting the KXPA100 is the Select knob on the PX3 gets flaky if it's turned too fast. It seems to work fine if you turn it slowly. For instance when setting the Ref Level if the Select control is turned very fast the display just jitters and doesn't change the level. But when turned at a very slow rate the level changes appropriately. I didn't notice this behavior before I put the KXPA in line.
>
> You might try that and let me know what happens.
>
> Thanks,
> Don, K5DW
>

Brian Hunt

Re: KXPA100 Question

Just out of curiosity, is the serial speed set to 38400? Running slower would make a difference.

73,
Brian, K0DTJ

> On Aug 18, 2019, at 15:41, Grant Youngman <[hidden email]> wrote:
>
> I fiddled with it a bit, and really didn’t notice any major changes in how the PX3 controls function. Not that there aren’t any.
>
> The simple solution is to simply set PA Mode: Off when generally tuning around.
>
> Grant NQ5T
> KX3 (8342)/KXPA100
>
>
>> On Aug 18, 2019, at 5:30 PM, Donald Wines <[hidden email]> wrote:
>>
>> Grant,
>>
>> Something else I've noticed since getting the KXPA100 is the Select knob on the PX3 gets flaky if it's turned too fast. It seems to work fine if you turn it slowly. For instance when setting the Ref Level if the Select control is turned very fast the display just jitters and doesn't change the level. But when turned at a very slow rate the level changes appropriately. I didn't notice this behavior before I put the KXPA in line.
>>
>> You might try that and let me know what happens.
>>
>> Thanks,
>> Don, K5DW
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
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Grant Youngman-2

Re: KXPA100 Question

Should have searched on Nabble first. Finally found some discussion of this PX3 cursor lag issue when running a KXPA100 back in 2017.

Elecraft apparently recognized it as a bug, and talked about a fix, but I guess nothing has been forthcoming.

Grant NQ5T
KX3 (8342)/KXPA100

> On Aug 18, 2019, at 7:07 PM, Brian Hunt <[hidden email]> wrote:
>
> Just out of curiosity, is the serial speed set to 38400? Running slower would make a difference.
>
> 73,
> Brian, K0DTJ
>
>> On Aug 18, 2019, at 15:41, Grant Youngman <[hidden email]> wrote:
>>
>> I fiddled with it a bit, and really didn’t notice any major changes in how the PX3 controls function. Not that there aren’t any.
>>
>> The simple solution is to simply set PA Mode: Off when generally tuning around.
>>
>> Grant NQ5T
>> KX3 (8342)/KXPA100
>>
>>
>>> On Aug 18, 2019, at 5:30 PM, Donald Wines <[hidden email]> wrote:
>>>
>>> Grant,
>>>
>>> Something else I've noticed since getting the KXPA100 is the Select knob on the PX3 gets flaky if it's turned too fast. It seems to work fine if you turn it slowly. For instance when setting the Ref Level if the Select control is turned very fast the display just jitters and doesn't change the level. But when turned at a very slow rate the level changes appropriately. I didn't notice this behavior before I put the KXPA in line.
>>>
>>> You might try that and let me know what happens.
>>>
>>> Thanks,
>>> Don, K5DW
>>
>> ______________________________________________________________

Jan-10

Re: KXPA100 Question

In reply to this post by Grant Youngman-2

Jittery PX3 Control comments by Don, K5DW + Brian, K9DTJ + Grant, NQ5T

Have noticed that for several years here; at one time I thought it was
my age :-)

Checked it today ~ it jumps ~ but by turning it slowly, it usually
follows OK

Cheers, Jan K1ND

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