[Elecraft] [P3] P3 and K144XV

[Tom Azlin N4ZPT]

OK, seem to have solved the problem. The P3 XV Gain #1 setting was way 
wrong, in fact never set right.  Also had to switch the P3 XV Invert #1 
to inverted. So now appears that I can see the 2m spectrum with the P3. 
Just have to go get a signal generator to calibrate the display.

Alan and Gary from Elecraft kept suggesting what to do until I got it 
right. Thanks Alan and Gary and Elecraft.

73, tom n4zpt

On 8/7/2011 2:02 PM, Tom Azlin N4ZPT wrote:
> Thanks Alan,
>
> I will go back in and check the initial set up for the K144XV as well as
> the P3 and K3.  Certainly some sort of widely different gain setting on
> 2m. BUT looking at the IF out the signal levels are "proper" as I did
> not have to change the scale very much on the SDR pan display.
>
> 73, tom n4zpt
>
>
>
> On 8/6/2011 10:37 PM, Alan Bloom wrote:
>> It could be that the MENU:XV_Gain setting for two meters got wildly
>> wrong somehow.  You might try changing it.  Another possibility would be
>> to do the parameter initialization (under Troubleshooting in the
>> manual).
>>
>> Alan
>>
>> On Sat, 2011-08-06 at 16:40 -0400, Tom Azlin N4ZPT wrote:
>>> Hi Stan,
>>>
>>> Adjusting the ref level does not help. Looking at the IF output of the
>>> P3 the actual signal level is not changing when I switch between 6m and
>>> 2m. I hooked up my QS1R SDR and can see the signals fine when the P3
>>> water fall display is orange when I am on 2m. I can not find a ref level
>>> that works. Radio is working fine on 2m as I can copy signals fine.
>>>
>>> When i disconnect the serial cable between the P3 and K3 the display is
>>> fine minus frequency and filter info of course.
>>>
>>> All the software is up today. Both of my K3s do this.
>>>
>>> Any ideas gang??
>>>
>>> 73, tom n4zpt
>>>
>>> On 8/6/2011 11:13 AM, Stan Gibbs wrote:
>>>> Tom,
>>>>
>>>> Sounds like your "Ref Lvl" is set too high.  The color of the waterfall
>>>> reflects the vertical position of the trace in the frequency display.  If
>>>> you reduce the reference level, the frequency display will return to a
>>>> viewable position, and the orange waterfall will revert to blue.
>>>>
>>>> The reference level is per-band so you have to adjust it for each band you
>>>> operate on.  For my 2m setup the ref level is set at -145 dBm, which allows
>>>> me to see the frequency trace when the pre-amp is on or off.
>>>>
>>>>
>>>>
>>>> -----
>>>> 73, Stan - KR7C
>>>> --
>>>> View this message in context: http://elecraft.365791.n2.nabble.com/P3-P3-and-K144XV-tp5472582p6659797.html
>>>> Sent from the Elecraft mailing list archive at Nabble.com.
>>>> ______________________________________________________________
>>>> Elecraft mailing list
>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>>> Help: http://mailman.qth.net/mmfaq.htm
>>>> Post: mailto:Elecraft at mailman.qth.net
>>>>
>>>> This list hosted by: http://www.qsl.net
>>>> Please help support this email list: http://www.qsl.net/donate.html
>>>>
>>>>
>>>
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft at mailman.qth.net
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>>
>>
>>
>>
>>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>