PX3 Span will only go up to 100Khz

[Roger Marrotte-3]

I received my new PX3 yesterday.  It has firmware v1.25.  It's connected to
my KX3.  It seems to be working as advertised and seems to be as good as my
P3/K3 combo. My one question is: Why does the span only go up to 100. The
manual says it should go up to 200.  I've tried turning STEP SPAN on and
off.   I looked at the manual and searched the web and past emails and found
no answer.  So, am I doing something wrong?

 

Roger, W1EM

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[Cady, Fred-2]

Hi Roger,
At some point, I don't remember when, in the development of the Fixed-Spectrum - Tuned VFO display mode they had to reduce the maximum span from 200 to 100 kHz.
Cheers,
Fred KE7x
Author of:
"The Elecraft K3: Design, Configuration and Operation 2nd ed"
"The Portable Elecraft KX3 – Going for the Summit with the KX3 and KX3-2M/4M"
“The Elecraft KX-Line – The Complete Station”
“The Elecraft KPA500 and KAT500 – the K-Line Dream Station”
Printed, coil bound copies of these are all available at www.elecraft.com
KPA500 and KAT500 Quick Set Up Guide
http://www.ke7x.com/home/k-line-introduction-and-set-up-guide

KAT500 and KXPA500 Tuner Operation
http://www.ke7x.com/home/kat500-and-kxpa100-tuners

“The Elecraft KXPA100, PX3 and 2M/4M Transverters – Assembling the KX3-Line Station” printed copy available at www.lulu.com and pdf from www.ke7x.com.

“The Elecraft K3S and P3 – Getting the Most out from Your High Performance Station”  coming very soon.
Plus a book dedicated to the K3S upgrades for the K3 and a 3rd Edition of the K3 book are works in progress.


________________________________________
From: [hidden email] <[hidden email]> on behalf of Roger Marrotte <[hidden email]>
Sent: Tuesday, October 6, 2015 1:01 PM
To: [hidden email]
Subject: [Elecraft] PX3 Span will only go up to 100Khz

I received my new PX3 yesterday.  It has firmware v1.25.  It's connected to
my KX3.  It seems to be working as advertised and seems to be as good as my
P3/K3 combo. My one question is: Why does the span only go up to 100. The
manual says it should go up to 200.  I've tried turning STEP SPAN on and
off.   I looked at the manual and searched the web and past emails and found
no answer.  So, am I doing something wrong?



Roger, W1EM

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[Eric Swartz - WA6HHQ]

Its up to 200 kHz in tracking mode and 100 kHz in fixed tune.

73,

Eric
elecraft.com
_..._

> On Oct 6, 2015, at 12:15 PM, Cady, Fred <[hidden email]> wrote:
>
> Hi Roger,
> At some point, I don't remember when, in the development of the Fixed-Spectrum - Tuned VFO display mode they had to reduce the maximum span from 200 to 100 kHz.
> Cheers,
> Fred KE7x
> Author of:
> "The Elecraft K3: Design, Configuration and Operation 2nd ed"
> "The Portable Elecraft KX3 – Going for the Summit with the KX3 and KX3-2M/4M"
> “The Elecraft KX-Line – The Complete Station”
> “The Elecraft KPA500 and KAT500 – the K-Line Dream Station”
> Printed, coil bound copies of these are all available at www.elecraft.com
> KPA500 and KAT500 Quick Set Up Guide
> http://www.ke7x.com/home/k-line-introduction-and-set-up-guide
>
> KAT500 and KXPA500 Tuner Operation
> http://www.ke7x.com/home/kat500-and-kxpa100-tuners
>
> “The Elecraft KXPA100, PX3 and 2M/4M Transverters – Assembling the KX3-Line Station” printed copy available at www.lulu.com and pdf from www.ke7x.com.
>
> “The Elecraft K3S and P3 – Getting the Most out from Your High Performance Station”  coming very soon.
> Plus a book dedicated to the K3S upgrades for the K3 and a 3rd Edition of the K3 book are works in progress.
>
>
> ________________________________________
> From: [hidden email] <[hidden email]> on behalf of Roger Marrotte <[hidden email]>
> Sent: Tuesday, October 6, 2015 1:01 PM
> To: [hidden email]
> Subject: [Elecraft] PX3 Span will only go up to 100Khz
>
> I received my new PX3 yesterday.  It has firmware v1.25.  It's connected to
> my KX3.  It seems to be working as advertised and seems to be as good as my
> P3/K3 combo. My one question is: Why does the span only go up to 100. The
> manual says it should go up to 200.  I've tried turning STEP SPAN on and
> off.   I looked at the manual and searched the web and past emails and found
> no answer.  So, am I doing something wrong?
>
>
>
> Roger, W1EM
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>
> ______________________________________________________________
> 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
> Message delivered to [hidden email]
>

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[KE6BB]

Roger, 
Fred is correct.  In fixed-tune mode, the display is limited to +/-50 khz, which is a 100 kHz span. See the latest PX3 Manual (Rev. A5 dated May 22, 2015), page 21, left column, second paragraph from the bottom.  
I wasn't aware of this until I read your post and checked out the latest manual.  It won't change my decision to buy one, though.
Mark,KE6BB 
 
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