[Elecraft] Need to shift 8 pole 2.1 filter?

Thu Apr 14 20:03:50 EDT 2011

Out in plain view:  http://www.trx-manager.com/FTmane.htm

On Thu, Apr 14, 2011 at 7:53 PM, John and Judy Raydo <kcflyers at yahoo.com>wrote:

> TRX Manager is highly customized and fully supported for K3.  Not sure
> where you looked.
>
> Anyway, I now agree with you that shifting filter offset would just add
> LSB/USB problems.
>
> Thanks for comments.   JOhn.
>
> --- On *Thu, 4/14/11, Guy Olinger K2AV <olinger at bellsouth.net>* wrote:
>
>
> From: Guy Olinger K2AV <olinger at bellsouth.net>
> Subject: Re: [Elecraft] Need to shift 8 pole 2.1 filter?
> To: "kcflyers" <kcflyers at yahoo.com>
> Cc: elecraft at mailman.qth.net
> Date: Thursday, April 14, 2011, 6:36 PM
>
>
> Oh, remote controlled...  That would be the app programmer's issue,
> not Elecraft. TRX Manager does not appear to acknowledge any support
> for Elecraft on their web page.  Sort of whatever works, fine,
> whatever doesn't, too bad attitude, if they even care.  Just marginal
> support for TenTec.
>
> I believe you need to negotiate a feature with the programmer of TRX
> Manager.  Like maybe supporting Elecraft outright?  You can program a
> macro to set your preferred shift setting IF you can send a macro
> string to the K3.  See the current K3 programmer's guide.
> BW2100;IF1350;  if you want to start hearing at 300 Hz.
>
> You want to base your choice of rigs on the 3rd party software, or
> base your choice of 3rd party software on your rig?
>
> If you attempt to solve this by setting the filter calibration offset
> in the K3 utility, it will work OK for one sideband, but turn the
> other into Donald Duck.  Don't go there. That is only establishing for
> the rig where the crystal's center frequency actually is, so it can
> respond to offsetting commands in the firmware.
>
> 73, Guy.
>
>
> On Thu, Apr 14, 2011 at 4:09 PM, kcflyers <kcflyers at yahoo.com<http://us.mc1147.mail.yahoo.com/mc/[email protected]>>
> wrote:
> > I am running K3 remotely using TRX Manager.  When in the 2.8 filter the
> shift
> > display is centered on the TRX display, and display below shows 2800.
>  When
> > switching to 2.1, the shift display is still centered.  I did notice that
> > the width control slider moves up (by itself), and width display at
> bottom
> > goes from 2800 to 2100.   I did not manually change the width control.
> So
> > in this situation, I have to move the shift slider to offset from being
> > centered.  This is an inconvenience when switching back and forth between
> > filters.
> >
> > I am not at my K3, so can't check what happens when I just change
> filters,
> > whether same as above (requiring shift), or not.
> >
> > --
> > View this message in context:
> http://elecraft.365791.n2.nabble.com/Need-to-shift-8-pole-2-1-filter-tp6273972p6274222.html
> > Sent from the Elecraft mailing list archive at Nabble.com.
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