[Elecraft] [KX3] Key Clicks

Joel Black w4jbb at charter.net
Mon Sep 15 06:08:57 EDT 2014


I played around in the SKCC WES for a couple of hours this weekend. I 
noticed something odd (to me at least) about the key clicks:

If I turn my power supply *off* and just run off the internal batteries, 
the key clicks dissipate. They don't altogether disappear, but they do 
diminish. It's "less bassy" if that makes sense.

The PS I'm using is an MFJ-4125 switcher. I don't have my Astron RS-35A 
hooked up at the moment. If I get a chance to play around with it this 
afternoon, I'll see if it sounds any different with the Astron.

73,
Joel - W4JBB

On 9/13/14, 5:42 AM, Joel Black wrote:
> I'm not sure what I've done. Not sure if I just woke up and noticed it 
> or if I've done something that's caused it.
>
> With my KX3 terminated into a dummy load, split and dual watch active, 
> VFO B 1 - 5.3 kHz up or down from VFO A, filter set to 450 Hz and 
> centered, I am getting key clicks on VFO B. NB and NR are off.
>
> I did a little reading through past posts and even reverted back to FW 
> 2.18 and then 2.12. I also reloaded a configuration from 8/31/2014 and 
> still hear the key clicks.
>
> I do *not* hear key clicks if both VFO A and VFO B are on the same 
> frequency with split and dual watch active.
>
> The key clicks occur on every band from 80 - 10 m.
>
> I also noticed something else trying to work W1AW/5 on RTTY - terrible 
> ringing. He was working split up 1 so I don't know if that was the 
> issue or not. I have not tried to recreate this using a backup config 
> or different firmware.
>
> My question(s) is/are:
>
> Does anyone else notice this or is this an issue with my rig? If it's 
> me, what on *Earth* have I done to cause this?
>
> On a side note, despite the "end of the world" CME, the NA-SOTA 
> weekend is happening this weekend. Get those great Elecraft rigs on 
> the air and help those guys and gals out on the summits. :)
>
> 73/72,
> Joel - W4JBB
> KX3 #1479
>
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