K3 Tuner Operation Question

How does the K3 Tuner work?  Does it tune at a lower wattage?  If so, what is that?  I am not sure there is a setup for the tuner...or am I missing something.  Mine tunes the antenna at 5 watts....but should that not be higher?  Like 20 watts?  I know it will take the 100 watts and does well...I am just asking if there is a set up?  I cannot find any in the manuals.

Lee



In our day and age it seems that Common Sense is in short supply.  If you don't have any Common Sense - get some Common Sense and use it.  If you can't find any Common Sense, ask for help from somebody who has some Common Sense.  Is Common Sense divine?
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[M0XDF]

I thought it was less than 5 watts.  I'd prefer it to be a lot less - I'd
rather not pollute the air while tuning up.


On 05/03/2008 03:53, "Lee Buller" <[hidden email]> sent:

>
>
> How does the K3 Tuner work?  Does it tune at a lower wattage?  If so, what is
> that?  I am not sure there is a setup for the tuner...or am I missing
> something.  Mine tunes the antenna at 5 watts....but should that not be
> higher?  Like 20 watts?  I know it will take the 100 watts and does well...I
> am just asking if there is a set up?  I cannot find any in the manuals.
>
> Lee
>
>
>
> In our day and age it seems that Common Sense is in short supply.  If you
> don't have any Common Sense - get some Common Sense and use it.  If you can't
> find any Common Sense, ask for help from somebody who has some Common Sense.
> Is Common Sense divine?
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

--
It is unwise to be too sure of one's own wisdom. It is healthy to be
reminded that the strongest might weaken and the wisest might err.
-Mohandas K. Gandhi (1869-1948)


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[Mike B-12]

Good morning, Lee.  Per the C1-3 Errata (Feb 1), CONFIG:TUN PWR was added to
control the power level at which the TUNE button works, so that function is
controllable.

However, the same errata states that, "Note: TUN PWR does not pertain to ATU
TUNE, which always uses 5 or 10 W and is internally controlled."

It would seem to me that if you can tune at 2 or 5 watts, there's no point in
running it at any higher level.  Itune my remoted LDG autotuner at 2 watts, and
could most likely crank it down some more.

It is getting harder to keep track of changes with all the errata scattered on
the table.  I may have to use the electronic versions & create a "master errata"
sheet instead of looking at individual pages.

Lee Buller wrote:
>
> How does the K3 Tuner work?  Does it tune at a lower wattage?


73,

Mike
KW1ND


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[M0XDF]

or just use the electronic form - I just keep latest man on HD and reader it
- easier to search too.

BTW - I can tune my SG-237 on 3w, but it doesn't tune reliably on less (3w
is stated in the SG spec).

73 de M0XDF / K3 #174


On 05/03/2008 12:20, "Mike B" <[hidden email]> sent:

> Good morning, Lee.  Per the C1-3 Errata (Feb 1), CONFIG:TUN PWR was added to
> control the power level at which the TUNE button works, so that function is
> controllable.
>
> However, the same errata states that, "Note: TUN PWR does not pertain to ATU
> TUNE, which always uses 5 or 10 W and is internally controlled."
>
> It would seem to me that if you can tune at 2 or 5 watts, there's no point in
> running it at any higher level.  Itune my remoted LDG autotuner at 2 watts,
> and
> could most likely crank it down some more.
>
> It is getting harder to keep track of changes with all the errata scattered on
> the table.  I may have to use the electronic versions & create a "master
> errata"
> sheet instead of looking at individual pages.
>
> Lee Buller wrote:
>>
>> How does the K3 Tuner work?  Does it tune at a lower wattage?

--
Two things are infinite, the universe and human stupidity.
But I'm not so sure about the universe. -- Albert Einstein.



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[Julian, G4ILO]

I set the tuning power level to 2W to tune my MFJ magnetic loop, but when I used SSB at the weekend to work a few stations in the contest I noticed that the SWR reading was peaking quite a bit. At 2W the K3 SWR meter would never read below 1.2:1. I increased the tuning power level to 3W, and that enabled me to detect a minimum of 1.1:1 for a more exact match, but perhaps there would be more of an improvement to be gained at 5W.

I guess one reason the K3 tuner seems less sensitive to me is that the K2 internal tuner was designed for QRP, 10W, whereas the K3 tuner is the same in both 10 and 100W models.

One thing I notice is that the K3 relays whirr whenever you press the Tune button, even if the antenna is already matched, whereas the K2 just transmitted a burst of RF for a fraction of a second, saw it was already matched, and didn't enter the tune procedure at all.