Re: [Elecraft] P3 problem

[Don Wilhelm]

Dave,

What are you using to power the P3?  Try a good stiff power source - not 
a wall-wart.


If the power source cannot provide the current required at the voltage 
required, then you will still hear a relay click as the P3 tries to 
power up, but the current or voltage from the power source drops 
significantly.


If you are powering the P3 from the AUX DC jack on the K3, and you have 
an early K3, the current is limited to 0.5 amps before the resettable 
fuse opens and is barely enough for the P3, especially if it has the 
SVGA option.


73,
Don W3FPR

On 9/7/2019 8:23 PM, n...@n1ix.com wrote:

I bought a used P3 from an estate. Unfortunately it doesn't power up.

I am sure that it has 12+ volts and that it is jumpered correctly.

I can hear the relay click when I press the power button.

Anything I may be overlooking? I have actually read and reread the manual.

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Re: [Elecraft] P3 problem

[rboutell]

Hey Dave,
Is the P3's 12v supplied from the 12v aux port (rca Jack)?
If your K3 is a few years old, you might need the K312mdkt.
This boosts current output from .5 to 1.0 amps.



-
73, Russ - W9RB
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Re: [Elecraft] P3 problem

[hawley, charles j jr]

So on page 38 in the manual, how are the jumpers configured? Mine is set up 
with Jumper across 2 and 3. When power is applied, the P3 turns on, but the 
power switch can still turn it off or on as long as power is present.

Chuck KE9UW
c-haw...@illinois.edu

Sent from my iPad

> On Sep 7, 2019, at 7:23 PM, "n...@n1ix.com"  wrote:
> 
> I bought a used P3 from an estate. Unfortunately it doesn't power up.
> 
> I am sure that it has 12+ volts and that it is jumpered correctly.
> 
> I can hear the relay click when I press the power button.
> 
> Anything I may be overlooking? I have actually read and reread the manual.
> 
> 
> 
> Dave N1IX 
> 
> 
> 
> 
> 
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Re: [Elecraft] P3 problem

[Keith Onishi]

Congratulations to have found the cause.
If signal level on P3 screen becomes unstable while the BNC cable is completely 
plugged in at both sides, check the cable itself.
My case was that the signal level was unstable and sometimes went very low. I 
had thought that K3 or P3 circuit was in trouble but found that connection 
inside one end of BNC cable connector was unstable. Replacing the cable 
completely fix the problem.

73 de JH3SIF, Keith

> 2018/05/27 7:00、Doug Eaton via Elecraft のメール:
> 
> Thanks to all who replied so quickly.  The BNC cable wasn't completely 
> plugged-in at one end.  Sometimes it's humbling being human!  
> 73, Doug  N7QS
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Re: [Elecraft] P3 problem...

[Dale Boresz]

Hello Doug,

My guess would be that the cable that should connect the P3 "RF IN" BNC to
the K3 "IF OUT" BNC is either not fully-engaged on both ends, or is
defective.

73,

Dale - WA8SRA


On Sat, May 26, 2018 at 4:52 PM, Doug Eaton via Elecraft <
elecraft@mailman.qth.net> wrote:

> Hello Elecrafters.  I recently moved my station to a different room.
> After setting everything up in the new location, everything works normally
> except for the P3..  The P3 turns on and boots-up normally, but there are
> no signals on the display.  The frequency of the K3 is displayed correctly
> on the top center of the display, so it seems that the cable is hooked-up
> correctly, but the only signals on the display are random noise on the
> bottom of the display at a level below S1.  It doesn't change even if I
> turn the antenna switch to a dummy load, or even shut the K3 off.  I live
> in town, and the local noise level is normally S9 or so on the lower bands,
> but nothing shows on the display on any band, even though the K3 is
> picking-up signals.  Any ideas?  Thanks es 73 de Doug  N7QS.
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Re: [Elecraft] P3 problem...

[Michael Blake]

Did you plug the BNC IF cable back in?

Michael Blake
k9...@mac.com 






> On May 26, 2018, at 4:52 PM, Doug Eaton via Elecraft 
>  wrote:
> 
> Hello Elecrafters.  I recently moved my station to a different room.  After 
> setting everything up in the new location, everything works normally except 
> for the P3..  The P3 turns on and boots-up normally, but there are no signals 
> on the display.  The frequency of the K3 is displayed correctly on the top 
> center of the display, so it seems that the cable is hooked-up correctly, but 
> the only signals on the display are random noise on the bottom of the display 
> at a level below S1.  It doesn't change even if I turn the antenna switch to 
> a dummy load, or even shut the K3 off.  I live in town, and the local noise 
> level is normally S9 or so on the lower bands, but nothing shows on the 
> display on any band, even though the K3 is picking-up signals.  Any ideas?  
> Thanks es 73 de Doug  N7QS.  
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Re: [Elecraft] P3 problem...

[Grant Youngman]

Check your coax connection for the IF input.  If you have another one, try 
another jumper.

Grant NQ5T
K3 #2091, KX3 #8342

> On May 26, 2018, at 4:52 PM, Doug Eaton via Elecraft 
>  wrote:
> 
> Hello Elecrafters.  I recently moved my station to a different room.  After 
> setting everything up in the new location, everything works normally except 
> for the P3..  The P3 turns on and boots-up normally, but there are no signals 
> on the display.  The frequency of the K3 is displayed correctly on the top 
> center of the display, so it seems that the cable is hooked-up correctly, but 
> the only signals on the display are random noise on the bottom of the display 
> at a level below S1.  It doesn't change even if I turn the antenna switch to 
> a dummy load, or even shut the K3 off.  I live in town, and the local noise 
> level is normally S9 or so on the lower bands, but nothing shows on the 
> display on any band, even though the K3 is picking-up signals.  Any ideas?  
> Thanks es 73 de Doug  N7QS.  
> __

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Re: [Elecraft] P3 Problem

[David Cole]

Hi Paul,
Thank you for the suggestion, but respectfully, I am not sure I want to
take such a brut force fix for this, as I have many prams set, that are
not at default.  Does this reset everything in the radio to factory?  

I want to understand what is happening before I make changes...
-- 
Thanks and 73's,
For equipment, and software setups and reviews see:
www.nk7z.net

For MixW support see;
http://groups.yahoo.com/neo/groups/mixw/info
For Dopplergram information see:
http://groups.yahoo.com/neo/groups/dopplergram/info
For MM-SSTV see:
http://groups.yahoo.com/neo/groups/MM-SSTV/info


On Thu, 2015-10-01 at 13:41 -0700, Paul Saffren N6HZ wrote:
> Hi Ken, 
> 
> A 'parameter reset' should solve the problem.  Hold down the MENU button
> while pressing the POWER button.  This will reinitialize all the parameters
> to their default values.  
> 
> 73, 
> 
> Paul
> 
> 
> 
> 
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Re: [Elecraft] P3 Problem

[Paul Saffren N6HZ]

Hi Ken, 

A 'parameter reset' should solve the problem.  Hold down the MENU button
while pressing the POWER button.  This will reinitialize all the parameters
to their default values.  

73, 

Paul




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Re: [Elecraft] P3 Problem

[Paul Saffren N6HZ]

Hi Larry, 

It sounds like the SVGA is not seeing that the K3 has stopped transmitting
and has gone into receive.  Here are some suggestions: 

1) Make sure both the SVGA and P3 are running latest firmware.  P3 1.26 
SVGA 1.16
2) Ensure that the serial cable going between the K3 and P3 is good and
screwed in tight. 
3) If you are using a 3rd party logging program that is connected to the K3,
try closing it down to see if there is an interaction that may be causing
the problem.  
4) If after all the above doesn't solve it, email me directly Larry.  My
email is pauls at elecraft

73, 

Paul





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Re: [Elecraft] P3 Problem

[Stephen Prior]

I get that too, but usually just for 2 or 3 seconds and sometimes not at
all.  I have never got my head around it, but I think it got worse after
fitting the SVGA board.  That leads me to another 'feature', in that the
SVGA screen will occasionally do a complete refresh of the waterfall,
without me touching anything else such as the VFO.  It's as if a buffer
which is much bigger than the screen data is being flushed, leaving no
history in the waterfall at all.

I can't imagine myself being without the P3 now, however!

73 Stephen G4SJP


On 4 December 2013 02:20, Larry Burke  wrote:

> I am using a P3 with the SVGA option. It is connected to a K3. I find that
> frequently after transmitting -- particularly calling a DX station in a
> split-frequency pileup -- the P3 display comes back sluggish or almost
> frozen for up to 20 seconds or so. Then it returns to providing real-time
> information. It's almost like the P3 is suffering from data overload,
> finally processes it, and gets back to normal.
>
>
>
> This is particularly annoying as one cannot spot where the DX is listening
> in said pileup because the screen is essentially frozen and does not
> display
> stations real-time until it "unfreezes". This happens regardless of mode
> (CW, SSB or RTTY). In RTTY this "freeze time" also locks up the USB
> keyboard.
>
>
> The problem does not appear to be RFI related, as I get it regardless of
> the
> power output level.
>
>
>
> Any idea what's going on?
>
>
>
>
>
> Larry K5RK
>
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Re: [Elecraft] P3 problem

[Larry - K2GN]

To: Elecraft@mailman.qth.net
Subject: [Elecraft] P3 problem

I am having a problem with the P3. occasionally after a transmission and the
PTT or VOX is released,  The P3 screen will remain frozen and look  just as
it does  during a transmission.  This is not the problem related to the
firmware that was fixed in version .30. 

===original message above==
Sound like my problem exactly.
I have an email conversation going on with Gary from support.
So Elecraft is aware of my problem and now yours.
I suspect as more P3 get out in the field there might be more.

Gary - running the separate ground did not give me any results,
Still freezing.
It doesn't appear to happen when using the internal because the timing seems
different.
Is the internal keyer always in QSK. Sounds like it is.
de K2GN - Larry - http://k2gn.com
K3 S/N - 3278P3 S/N - 51



 

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Re: [Elecraft] [P3] Problem connecting LP_Bridge through the P3 to the K3

[Ted Roycraft]

Al,

The problem that I reported being unable to connect LP_Bridge to the K3 
passing through the P3 when it the P3 was powered on seems to be fixed 
in the P3 V0.31 beta firmware.

Thank you!

73, Ted, W2ZK

On 8/7/2010 5:31 PM, Ted Roycraft wrote:
> I tried to connect LP_Bridge passing through the P3 to the K3 (the P3 is
> supposed to be transparent to apps connecting to the K3 I understand)
> and LP_Bridge failed to connect to the K3.  Everything is set up to run
> at 38400 baud and it worked fine without the P3 there.  After fooling
> around with it, I found that if I turned the P3 off before starting
> LP_Bridge, it would connect to the K3.  I could then turn on the P3 and
> everything seems to work fine after that.   I thought the P3 was
> supposed to be transparent as far as RS-232 connections through to the
> K3 are concerned but it seems that it isn't.  It doesn't seem like a
> significant problem since there is an easy workaround but it is a little
> annoying. Has anyone else run into this?
>
> 73, Ted, W2ZK
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