[Elecraft] KX3 Question

Sun Oct 14 01:58:11 EDT 2012

Hi All,

I the doco that was packaged with my KXFL3 is the Installation Manual Errata
Rev A2-2 July 5 2012. I can't find the doc on the Elecraft web site,
however. 

I short, it states :-

Page 1, Introduction, second paragraph, replace it with the following:

If you KXFL3 was supplied with either a factory assembled KX3 or a kit KX3,
it was calibrated at the factory. All you need to do is install it as
described below and enable the module as described in your KX3 owners
manual. If you obtained you KXFL3 module separately or are moving it to
another KX3, you must calibrate it as described on page 4 for optimum
performance.

Cheers,
Mark F...
VK3ZMF

> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net [mailto:elecraft-
> bounces at mailman.qth.net] On Behalf Of Phil Hystad
> Sent: Sunday, 14 October 2012 3:34 PM
> To: John Strandberg
> Cc: elecraft at mailman.qth.net; don at w3fpr.com
> Subject: Re: [Elecraft] KX3 Question
> 
> Guys,
> 
> I initiated this series of e-mails on this topic.  I had a simple
> question about an LED light I could see on the inside of the KX3.  I
> mentioned I was about to do the calibration of the filter and someone
> told me that I did not have to do this.  Others joined in and said that
> it was true that this step was not needed if I ordered the KXFL3 at the
> same time as the KX3.  And, others said that this was mentioned in the
> documentation.  I could not find that statement.  Even though someone
> pointed me to the very page and the very paragraph, I could not find
> any statement that said that "if I ordered my KXFL3 with my KX3 that I
> did not have to do any calibration".
> 
> Unfortunately, I will need to wait until Monday to call up Elecraft and
> talk to someone because the more e-mails I see on this question, the
> more confusing and conflicting the information becomes.
> 
> For example, on page 29 under CONFIGURATION section the bullet item
> that is associated with the KXFL3 says this:
> 
>       "You must then perform the Receive Sideband calibration procedure
> (pg. 32)."
> 
> No where that I can find is there a statement that says this does not
> need to be done.  Someone did point me to the Calibration section but
> it did not say anything to contradict the quoted statement above.
> 
> My assumption is that according to the writing of this owner manual,
> all who have the
> KXFL3 Roofing Filter Module are expected to perform this calibration
> procedure.
> 
> So, my KX3 work is on hold until Monday.  That is OK, I can spend time
> doing something else.
> 
> 73, phil, K7PEH
> 
> 
> On Oct 13, 2012, at 8:47 PM, John Strandberg <w4dx at arrl.net> wrote:
> 
> > I want to qualify my previous posts on this topic.  I translated
> > information sent to me from Elecraft support to try to help.  What I
> > wrote was not explicit from Vic or Elecraft.  It was only my
> > interpretation of the communications I received in an attempt to
> help.
> > 73 John W4DX
> >
> >
> > On Sat, Oct 13, 2012 at 10:49 PM, Don Wilhelm <w3fpr at embarqmail.com>
> wrote:
> >
> >> Mike and all,
> >>
> >> Whatever options you ordered with your KX3 were pre-aligned.  BUT,
> >> can you do a better job of it in your own shack after you assemble
> >> your particular KX3 - the answer is a definite YES.  The alignment
> >> that comes with your KX3 is good, but with care, you can always do
> >> better.  Just how much care and effort you are willing to expend
> will
> >> depend on whether you are willing to leave well enough alone or
> >> whether you want to tweak it for more optimum performance.
> >>
> >> I do work on the legacy Elecraft gear, and in the case of the K2
> >> filter alignment in particular, the manual gives you workable
> >> settings, but I use Spectrogram to optimize the filter settings.
> Yes,
> >> my settings are different from the manual settings, but I have never
> >> had a customer complain about the settings I have used - Quite the
> >> contrary, I have received many accolades about the K2 filter
> settings that I have used.
> >>
> >> There is not a Spectrogram equal for the KX3, I only inject that as
> >> one example that says "The manual settings are workable",  but there
> >> can be optimization above and beyond the manual settings for those
> >> who want to do refinement.  I recommend that all users do the
> refinement.
> >>
> >> 73,
> >> Don W3FPR
> >>
> >> On 10/13/2012 9:43 PM, Mike wrote:
> >>> Page 31 of the owner's manual states that if you install a KXFL3
> >>> during
> >> kit
> >>> assembly, you need to run the receive sideband calibration on page
> 32.
> >> I don't
> >>> think this was done at the factory, as my cal values were quite a
> >>> bit
> >> different
> >>> from the default values in the rig.
> >>>
> >>> Mike
> >>>
> >>> On 10/13/2012 08:50 PM, Phil Hystad wrote:
> >>>> OK but I just looked in the assembly manual and the user guide and
> >>>> I
> >> did not see anything about NOT doing the configuration/calibration
> of
> >> the filter.  Where is this located?  I mean, the instruction saying
> >> that configuration/calibration of the filter is not required if
> >> shipped with the KX3.  By the way, even though it was shipped, I did
> >> install it and the configuration instructions say that the procedure
> >> must be performed whenever the filter is removed or replaced.
> >>>>
> >>>> What is this configuration file you mention that is associated
> with
> >>>> my
> >> serial number.  Is this something I need to request?
> >>>>
> >>>> Also, if this too is documented somewhere I must have missed that.
> >>>> I
> >> do admit to not reading the user guide cover to cover yet.
> >>>>
> >>>> phil
> >>>>
> >>>>
> >>>> On Oct 13, 2012, at 5:31 PM, John Strandberg <w4dx at arrl.net>
> wrote:
> >>>>
> >>>>> Yes. This is correct and Elecraft has a configuration file for
> >>>>> your
> >> KX3 by your serial number including configuration/calibration data
> >> for any options such as the filter.
> >>>>>
> >>>>> On Sat, Oct 13, 2012 at 8:24 PM, hawley, charles j jr <
> >> c-hawley at illinois.edu> wrote:
> >>>>> Didn't the assembly manual say the if the filter is shipped with
> >>>>> the
> >> KX3, the filter doesn't need to be calibrated?
> >>>>>
> >>>>> Sent from my iPad
> >>>>>
> >>>>> On Oct 13, 2012, at 6:57 PM, "Phil Hystad" <phystad at mac.com>
> wrote:
> >>>>>
> >>>>>> Gang, I just finished putting together my KX3 with the filter
> >>>>>> option,
> >> ATU, and battery charger.  I am just about to do the calibration for
> >> the filter but I noticed that there is an LED or something that
> >> flashes, maybe once per 2 seconds?, inside the KX3.  I can see it
> >> through the key/paddle plug opening.
> >>>>>>
> >>>>>> Does anyone know what this is?  Is there meaning to the flash?
> >>>>>> Is it
> >> important?
> >>>>>>
> >>>>>> Thanks,
> >>>>>>
> >>>>>> 73, phil, K7PEH
> >>>>>>
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