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P3 SPAN Instability

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alaparos@w2cs.net

P3 SPAN Instability

Various searches dredged up nothing helpful. I recently developed a P3 problem. The SPAN does not get saved. Whenever I change bands to a band I had set it, say, to 50 kHz, the SPAN resets itself to 5 kHz. Sometimes I can even watch the display as it cranks down the bandwidth.

This is a P3 *without* SVGA, but *with* TXMon. It has 1.60 firmware installed and reloaded without effect. It is not directly connected to a PC. The transceiver to which it is connected is a K3S.

P3 SPAN settings: SpanScale: REF LEVEL ONLY, SteppedSpan: OFF

I appreciate any pointers to where I should look. Thanks.

73/Gary W2CS

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Vic Rosenthal

Re: P3 SPAN Instability

I had a problem in which both SPAN and CENTER changed arbitrarily (it
seemed) on band changes. I finally saved the configuration using the P3
Utility, reset the P3 to factory parameters (power off, hold LABELS
while powering on, wait for 2 seconds, let go of LABELS), and finally
used the utility to restore the configuration.
The problem hasn't recurred -- it's been a few weeks and it was pretty
much a daily occurrence.
YMMV.

73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 10/03/2019 16:51, Gary J Ferdinand wrote:

> Various searches dredged up nothing helpful. I recently developed a
> P3 problem. The SPAN does not get saved. Whenever I change bands to
> a band I had set it, say, to 50 kHz, the SPAN resets itself to 5 kHz.
> Sometimes I can even watch the display as it cranks down the
> bandwidth.
>
> This is a P3 *without* SVGA, but *with* TXMon. It has 1.60 firmware
> installed and reloaded without effect. It is not directly connected
> to a PC. The transceiver to which it is connected is a K3S.
>
> P3 SPAN settings: SpanScale: REF LEVEL ONLY, SteppedSpan: OFF
>
> I appreciate any pointers to where I should look. Thanks.
>
> 73/Gary W2CS

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NK7Z

Re: P3 SPAN Instability

I am seeing something similar to this as well... Not in SPAN, but in
REF LVL. I set REF LVL while on 30 Meters, and leave the band.
Ssometimes when I return to 30, I need to touch the REF LVL level to get
it to return...

By touch, I mean I select REF LVL, then just turn the knob ever so
slightly. The P3 then reverts to where it should be...

P3 with SVGA, and power monitor. Only on 30 meters... Any suggestions?

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/10/19 8:06 AM, Victor Rosenthal 4X6GP wrote:

> I had a problem in which both SPAN and CENTER changed arbitrarily (it
> seemed) on band changes. I finally saved the configuration using the P3
> Utility, reset the P3 to factory parameters (power off, hold LABELS
> while powering on, wait for 2 seconds, let go of LABELS), and finally
> used the utility to restore the configuration.
> The problem hasn't recurred -- it's been a few weeks and it was pretty
> much a daily occurrence.
> YMMV.
>
>
> 73,
> Victor, 4X6GP
> Rehovot, Israel
> Formerly K2VCO
> CWops no. 5
> http://www.qsl.net/k2vco/
>
> On 10/03/2019 16:51, Gary J Ferdinand wrote:
>> Various searches dredged up nothing helpful. I recently developed a
>> P3 problem. The SPAN does not get saved. Whenever I change bands to
>> a band I had set it, say, to 50 kHz, the SPAN resets itself to 5 kHz.
>> Sometimes I can even watch the display as it cranks down the
>> bandwidth.
>>
>> This is a P3 *without* SVGA, but *with* TXMon. It has 1.60 firmware
>> installed and reloaded without effect. It is not directly connected
>> to a PC. The transceiver to which it is connected is a K3S.
>>
>> P3 SPAN settings: SpanScale: REF LEVEL ONLY, SteppedSpan: OFF
>>
>> I appreciate any pointers to where I should look. Thanks.
>>
>> 73/Gary W2CS
> ______________________________________________________________
> 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

Vic Rosenthal

Re: P3 SPAN Instability

I've never had any trouble with REF LEVEL, but it can't hurt to try the
save / reset / restore routine and see if it helps.

73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 10/03/2019 18:14, Dave Cole (NK7Z) wrote:

> I am seeing something similar to this as well... Not in SPAN, but in
> REF LVL. I set REF LVL while on 30 Meters, and leave the band.
> Ssometimes when I return to 30, I need to touch the REF LVL level to
> get it to return...
>
> By touch, I mean I select REF LVL, then just turn the knob ever so
> slightly. The P3 then reverts to where it should be...
>
> P3 with SVGA, and power monitor. Only on 30 meters... Any
> suggestions?
>
> 73s and thanks, Dave (NK7Z) https://www.nk7z.net Award Manager, 30MDG
> Grid Awards ARRL Technical Specialist ARRL Volunteer Examiner ARRL
> OOC for Oregon
>
> On 3/10/19 8:06 AM, Victor Rosenthal 4X6GP wrote:
>> I had a problem in which both SPAN and CENTER changed arbitrarily
>> (it seemed) on band changes. I finally saved the configuration
>> using the P3 Utility, reset the P3 to factory parameters (power
>> off, hold LABELS while powering on, wait for 2 seconds, let go of
>> LABELS), and finally used the utility to restore the
>> configuration. The problem hasn't recurred -- it's been a few weeks
>> and it was pretty much a daily occurrence. YMMV.
>>
>>
>> 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5
>> http://www.qsl.net/k2vco/
>>
>> On 10/03/2019 16:51, Gary J Ferdinand wrote:
>>> Various searches dredged up nothing helpful. I recently
>>> developed a P3 problem. The SPAN does not get saved. Whenever I
>>> change bands to a band I had set it, say, to 50 kHz, the SPAN
>>> resets itself to 5 kHz. Sometimes I can even watch the display as
>>> it cranks down the bandwidth.
>>>
>>> This is a P3 *without* SVGA, but *with* TXMon. It has 1.60
>>> firmware installed and reloaded without effect. It is not
>>> directly connected to a PC. The transceiver to which it is
>>> connected is a K3S.
>>>
>>> P3 SPAN settings: SpanScale: REF LEVEL ONLY, SteppedSpan: OFF
>>>
>>> I appreciate any pointers to where I should look. Thanks.
>>>
>>> 73/Gary W2CS

NK7Z

Re: P3 SPAN Instability

I have been thinking of that. When you did it, was your P3 revocered to
the same exact setup as when you saved the config file? Did you have to
resetup anything else?

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/10/19 10:13 AM, Victor Rosenthal 4X6GP wrote:

> I've never had any trouble with REF LEVEL, but it can't hurt to try the
> save / reset / restore routine and see if it helps.
>
> 73,
> Victor, 4X6GP
> Rehovot, Israel
> Formerly K2VCO
> CWops no. 5
> http://www.qsl.net/k2vco/
>
>
> On 10/03/2019 18:14, Dave Cole (NK7Z) wrote:
>> I am seeing something similar to this as well... Not in SPAN, but in
>> REF LVL. I set REF LVL while on 30 Meters, and leave the band.
>> Ssometimes when I return to 30, I need to touch the REF LVL level to
>> get it to return...
>>
>> By touch, I mean I select REF LVL, then just turn the knob ever so
>> slightly. The P3 then reverts to where it should be...
>>
>> P3 with SVGA, and power monitor. Only on 30 meters... Any
>> suggestions?
>>
>> 73s and thanks, Dave (NK7Z) https://www.nk7z.net Award Manager, 30MDG
>> Grid Awards ARRL Technical Specialist ARRL Volunteer Examiner ARRL
>> OOC for Oregon
>>
>> On 3/10/19 8:06 AM, Victor Rosenthal 4X6GP wrote:
>>> I had a problem in which both SPAN and CENTER changed arbitrarily
>>> (it seemed) on band changes. I finally saved the configuration
>>> using the P3 Utility, reset the P3 to factory parameters (power
>>> off, hold LABELS while powering on, wait for 2 seconds, let go of
>>> LABELS), and finally used the utility to restore the
>>> configuration. The problem hasn't recurred -- it's been a few weeks
>>> and it was pretty much a daily occurrence. YMMV.
>>>
>>>
>>> 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5
>>> http://www.qsl.net/k2vco/
>>>
>>> On 10/03/2019 16:51, Gary J Ferdinand wrote:
>>>> Various searches dredged up nothing helpful. I recently
>>>> developed a P3 problem. The SPAN does not get saved. Whenever I
>>>> change bands to a band I had set it, say, to 50 kHz, the SPAN
>>>> resets itself to 5 kHz. Sometimes I can even watch the display as
>>>> it cranks down the bandwidth.
>>>>
>>>> This is a P3 *without* SVGA, but *with* TXMon. It has 1.60
>>>> firmware installed and reloaded without effect. It is not
>>>> directly connected to a PC. The transceiver to which it is
>>>> connected is a K3S.
>>>>
>>>> P3 SPAN settings: SpanScale: REF LEVEL ONLY, SteppedSpan: OFF
>>>>
>>>> I appreciate any pointers to where I should look. Thanks.
>>>>
>>>> 73/Gary W2CS
> ______________________________________________________________
> 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

Vic Rosenthal

Re: P3 SPAN Instability

No, the save/restore restored everything to how it was before.

73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/
On 10 Mar 2019 20:57, Dave Cole (NK7Z) wrote:

> I have been thinking of that. When you did it, was your P3 revocered to
> the same exact setup as when you saved the config file? Did you have to
> resetup anything else?
>
> 73s and thanks,
> Dave (NK7Z)
> https://www.nk7z.net
> Award Manager, 30MDG Grid Awards
> ARRL Technical Specialist
> ARRL Volunteer Examiner
> ARRL OOC for Oregon

NK7Z

Re: P3 SPAN Instability

Thanks for the info sir!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/10/19 12:01 PM, Victor Rosenthal 4X6GP wrote:

> No, the save/restore restored everything to how it was before.
>
>
> 73,
> Victor, 4X6GP
> Rehovot, Israel
> Formerly K2VCO
> CWops no. 5
> http://www.qsl.net/k2vco/
> On 10 Mar 2019 20:57, Dave Cole (NK7Z) wrote:
>> I have been thinking of that. When you did it, was your P3 revocered
>> to the same exact setup as when you saved the config file? Did you
>> have to resetup anything else?
>>
>> 73s and thanks,
>> Dave (NK7Z)
>> https://www.nk7z.net
>> Award Manager, 30MDG Grid Awards
>> ARRL Technical Specialist
>> ARRL Volunteer Examiner
>> ARRL OOC for Oregon

W2SE

Re: P3 SPAN Instability

My PX3 has all of the same problems. (including the REF issue which
includes non-whole number values)
I will try the save/reset/restore hack later.

Even if this solves the issues, what's to prevent them from returning?

73, Bruce W2SE

>
> On 3/11/19 09:32, Dave Cole (NK7Z) wrote:
>> Thanks for the info sir!
>>
>> 73s and thanks,
>> Dave (NK7Z)
>> https://www.nk7z.net
>> Award Manager, 30MDG Grid Awards
>> ARRL Technical Specialist
>> ARRL Volunteer Examiner
>> ARRL OOC for Oregon
>>
>> On 3/10/19 12:01 PM, Victor Rosenthal 4X6GP wrote:
>>> No, the save/restore restored everything to how it was before.
>>>
>>>
>>> 73,
>>> Victor, 4X6GP
>>> Rehovot, Israel
>>> Formerly K2VCO
>>> CWops no. 5
>>> http://www.qsl.net/k2vco/
>>> On 10 Mar 2019 20:57, Dave Cole (NK7Z) wrote:
>>>> I have been thinking of that. When you did it, was your P3
>>>> revocered to the same exact setup as when you saved the config
>>>> file? Did you have to resetup anything else?
>>>>
>>>> 73s and thanks,
>>>> Dave (NK7Z)
>>>> https://www.nk7z.net
>>>> Award Manager, 30MDG Grid Awards
>>>> ARRL Technical Specialist
>>>> ARRL Volunteer Examiner
>>>> ARRL OOC for Oregon
>> ______________________________________________________________
>> 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
>