[Elecraft] P3 SPAN Instability

[Dave Cole (NK7Z)]

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
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