[Elecraft] K3 - ATU Tune

2010-10-29 Thread L. D. Ingram
Hi,

Something curious has happened to my K3 SN 3975 - when I tap the ATU 
Tune button the power out shown on an external power meter is full 
power, a little over 100W. The K3 power out indicator also kicks up 
to full power. I have the unit set to 50W and when I key it normally 
(CW) it shows 50W on both the external and internal meters. The SWR is fine.

Any thoughts on anything I might have done to cause this?

Larry Ingram  AG4NN

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[Elecraft] K3 ATU Tune

2012-04-23 Thread Phil Hystad
I am trying to learn the behavior of the K3 ATU Tune.  I am switching between 
two loads.  One is dummy load with SWR of about 1.1.  The other is a mismatch 
on an antenna with a measured SWR of about 4.9 (as read off of the LP-100A 
meter).  I am attempting to use the ATU Tune button to bring this unmatched SWR 
load into a match of 1.5 or under.

So, I am getting strange results.  I can use my external AT1KM tuner to bring 
this into a flat 1:1 SWR.  If I press the K3 ATU Tune button I also get the 1:1 
SWR reading (or close to it, one bar on the K3 SWR display plut the LP-100A 
reads 1:1).  If I switch the tuner out of service (into a bypass mode where the 
K3 is looking at a 4.9:1 SWR), I use the K3 to hit XMIT briefly and read out 
the 4.9 SWR.  At this point, it looks like I get a fold back on power of about 
50 percent (operating at 10 watts so fold back to 5 watts I guess).  The next 
thing I do is switch the AT1KM tuner back into service without changing 
anything.  When I key down I am getting SWR of 1:1 on the LP-100A and the K3 
but the power is still folded back.  If I hit the K3 Tune button, it quickly 
tunes and the power is back to full power (or, 10 watts).

So, my question --- If the K3 folds back power due to high SWR then is it 
required to hit the tune button to reset power when you now have a matched 
load, 1:1 in this case?

I hope I have explained the situation, it is a little involved in set up but I 
ran across this accidentally while measuring some different antenna loads.

Also, I am not sure I am reading the SWR on the K3 correctly.  If I hit the 
tune button for one of my antennas (in this case different from above scenario) 
and NO EXTERNAL TUNER, The K3 tunes and a single bar shows up on the SWR 
display which I figure is either 1:1 or close to it.  But, I have an LP-100A 
sitting on the output of my K-line (I have a KPA500 in there but it is not on 
during these tests) and the LP-100A gives an SWR reading of 1.73:1.  Who do I 
believe? The LP-100A was calibrated at the factory (not a kit).

Thanks,

73, phil, K7PEH

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[Elecraft] K3 ATU Tune

2007-09-06 Thread Edward Dickinson, III
Is there an output available for the K3 to key a remote ATU via the Tune
feature/button in the absense of an internal ATU?


Regards,
Dick - KA5KKT/4

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[Elecraft] K3 ATU Tune

2007-09-06 Thread Phil & Debbie Salas
The ATU TUNE would also be great for use with an external amplifier, along
with an external high power autotuner (Palstar AT-1K Auto, MFJ-994B/998, LDG
AT-1000, etc).  The external tuner could apply a "Request low power CW
signal output" like the  IC-706 (and others) does, and the K3 could respond
with the low power (10-20 watt) CW signal, and NOT key the external
amplifier during the tune cycle.
 
Phil - AD5X

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Re: [Elecraft] K3 - ATU Tune

2010-10-29 Thread Nate Bargmann
* On 2010 29 Oct 15:45 -0500, L. D. Ingram wrote:
> Hi,
> 
> Something curious has happened to my K3 SN 3975 - when I tap the ATU 
> Tune button the power out shown on an external power meter is full 
> power, a little over 100W. The K3 power out indicator also kicks up 
> to full power. I have the unit set to 50W and when I key it normally 
> (CW) it shows 50W on both the external and internal meters. The SWR is fine.
> 
> Any thoughts on anything I might have done to cause this?

What is CONFIG:TUN PWR set to?  I have mine set to 025 for 25 Watts
which is plenty for me.

73, de Nate >>

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Re: [Elecraft] K3 - ATU Tune

2010-10-29 Thread Stan Gibbs

The power level used by the ATU Tune process is internally set to 5/10W. As
for the K3 power display, during the tuning process, the scale changes from
a max of 100W to a max of 10W. I can't say why your external meter appears
to indicate 100W, but is it possible that your meter is auto-ranging and you
are misinterpreting it?   


L. D. Ingram wrote:
> 
> ...when I tap the ATU Tune button the power out shown on an external power
> meter is full 
> power, a little over 100W. The K3 power out indicator also kicks up 
> to full power.
> 

-
73, Stan - KR7C
-- 
View this message in context: 
http://elecraft.365791.n2.nabble.com/K3-ATU-Tune-tp5687977p5688375.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K3 - ATU Tune

2010-10-29 Thread L. D. Ingram
Hi again,

Stan KR7C hit it on the head, the external meter is autoranging and 
the output is 10W not 100 (red face on this).

Thanks Stan and others who answered.

Larry Ingram  AG4NN

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Re: [Elecraft] K3 ATU Tune

2012-04-23 Thread Joe Subich, W4TV

Phil,

The LP-100A (or any external SWR/power measurement device) is not
accurate when you are using the KAT3 (K3 internal ATU) since it is
on the *output* of the tuner and not the *input*.

A tuner *DOES NOT CHANGE THE SWR BETWEEN THE TUNER AND ANTENNA* it
only changes the SWR seen by any device looking at the *input* of
the tuner.  With the KAT3 the *input* to the tuner is "inside* the
K3.

73,

... Joe, W4TV


On 4/23/2012 3:17 PM, Phil Hystad wrote:
> I am trying to learn the behavior of the K3 ATU Tune.  I am switching between 
> two loads.  One is dummy load with SWR of about 1.1.  The other is a mismatch 
> on an antenna with a measured SWR of about 4.9 (as read off of the LP-100A 
> meter).  I am attempting to use the ATU Tune button to bring this unmatched 
> SWR load into a match of 1.5 or under.
>
> So, I am getting strange results.  I can use my external AT1KM tuner to bring 
> this into a flat 1:1 SWR.  If I press the K3 ATU Tune button I also get the 
> 1:1 SWR reading (or close to it, one bar on the K3 SWR display plut the 
> LP-100A reads 1:1).  If I switch the tuner out of service (into a bypass mode 
> where the K3 is looking at a 4.9:1 SWR), I use the K3 to hit XMIT briefly and 
> read out the 4.9 SWR.  At this point, it looks like I get a fold back on 
> power of about 50 percent (operating at 10 watts so fold back to 5 watts I 
> guess).  The next thing I do is switch the AT1KM tuner back into service 
> without changing anything.  When I key down I am getting SWR of 1:1 on the 
> LP-100A and the K3 but the power is still folded back.  If I hit the K3 Tune 
> button, it quickly tunes and the power is back to full power (or, 10 watts).
>
> So, my question --- If the K3 folds back power due to high SWR then is it 
> required to hit the tune button to reset power when you now have a matched 
> load, 1:1 in this case?
>
> I hope I have explained the situation, it is a little involved in set up but 
> I ran across this accidentally while measuring some different antenna loads.
>
> Also, I am not sure I am reading the SWR on the K3 correctly.  If I hit the 
> tune button for one of my antennas (in this case different from above 
> scenario) and NO EXTERNAL TUNER, The K3 tunes and a single bar shows up on 
> the SWR display which I figure is either 1:1 or close to it.  But, I have an 
> LP-100A sitting on the output of my K-line (I have a KPA500 in there but it 
> is not on during these tests) and the LP-100A gives an SWR reading of 1.73:1. 
>  Who do I believe? The LP-100A was calibrated at the factory (not a kit).
>
> Thanks,
>
> 73, phil, K7PEH
>
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Re: [Elecraft] K3 ATU Tune

2012-04-23 Thread Don Wilhelm
Phil,

Actually you can believe both the K3 and the LP-100A.

The KAT3 is inside the K3, and the SWR it reads is that at the INPUT to 
the tuner.  Tuning the internal K3 tuner will *not* change the SWR on 
the outside of the K3, it will still be whatever you read on the LP-100A 
- that is the impedance of your antenna or whatever is connected to the 
LP-100 output.

73,
Don W3FPR

On 4/23/2012 3:17 PM, Phil Hystad wrote:
> I am trying to learn the behavior of the K3 ATU Tune.  I am switching between 
> two loads.  One is dummy load with SWR of about 1.1.  The other is a mismatch 
> on an antenna with a measured SWR of about 4.9 (as read off of the LP-100A 
> meter).  I am attempting to use the ATU Tune button to bring this unmatched 
> SWR load into a match of 1.5 or under.
>
> So, I am getting strange results.  I can use my external AT1KM tuner to bring 
> this into a flat 1:1 SWR.  If I press the K3 ATU Tune button I also get the 
> 1:1 SWR reading (or close to it, one bar on the K3 SWR display plut the 
> LP-100A reads 1:1).  If I switch the tuner out of service (into a bypass mode 
> where the K3 is looking at a 4.9:1 SWR), I use the K3 to hit XMIT briefly and 
> read out the 4.9 SWR.  At this point, it looks like I get a fold back on 
> power of about 50 percent (operating at 10 watts so fold back to 5 watts I 
> guess).  The next thing I do is switch the AT1KM tuner back into service 
> without changing anything.  When I key down I am getting SWR of 1:1 on the 
> LP-100A and the K3 but the power is still folded back.  If I hit the K3 Tune 
> button, it quickly tunes and the power is back to full power (or, 10 watts).
>
> So, my question --- If the K3 folds back power due to high SWR then is it 
> required to hit the tune button to reset power when you now have a matched 
> load, 1:1 in this case?
>
> I hope I have explained the situation, it is a little involved in set up but 
> I ran across this accidentally while measuring some different antenna loads.
>
> Also, I am not sure I am reading the SWR on the K3 correctly.  If I hit the 
> tune button for one of my antennas (in this case different from above 
> scenario) and NO EXTERNAL TUNER, The K3 tunes and a single bar shows up on 
> the SWR display which I figure is either 1:1 or close to it.  But, I have an 
> LP-100A sitting on the output of my K-line (I have a KPA500 in there but it 
> is not on during these tests) and the LP-100A gives an SWR reading of 1.73:1. 
>  Who do I believe? The LP-100A was calibrated at the factory (not a kit).
>
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Re: [Elecraft] K3 ATU Tune

2012-04-23 Thread Phil Hystad
About my second question on the different readings of the K3 ATU and the 
LP-100A.  Gosh Darn It -- I knew that.  I was not thinking.  I had been doing 
so many different measurements this morning that when that came about (the 
different readings), I was surprised but it was obviously not a problem.  I 
just repeated the measurement and yes, the raw SWR is 1.73:1 and the K3 Tuned 
to a flat 1:1 yet the LP-100A is reading the raw SWR.

But, actually that was not my main question.  The thing that prompted me to ask 
send the message was the first question about the fold back on power and if it 
needs the K3 ATU Tune button to be pressed to reset even though the load is 
well matched and should not fold back at all.

73, phil, K7PEH


On Apr 23, 2012, at 12:24 PM, Joe Subich, W4TV wrote:

> 
> Phil,
> 
> The LP-100A (or any external SWR/power measurement device) is not
> accurate when you are using the KAT3 (K3 internal ATU) since it is
> on the *output* of the tuner and not the *input*.
> 
> A tuner *DOES NOT CHANGE THE SWR BETWEEN THE TUNER AND ANTENNA* it
> only changes the SWR seen by any device looking at the *input* of
> the tuner.  With the KAT3 the *input* to the tuner is "inside* the
> K3.
> 
> 73,
> 
>... Joe, W4TV
> 
> 
> On 4/23/2012 3:17 PM, Phil Hystad wrote:
>> I am trying to learn the behavior of the K3 ATU Tune.  I am switching 
>> between two loads.  One is dummy load with SWR of about 1.1.  The other is a 
>> mismatch on an antenna with a measured SWR of about 4.9 (as read off of the 
>> LP-100A meter).  I am attempting to use the ATU Tune button to bring this 
>> unmatched SWR load into a match of 1.5 or under.
>> 
>> So, I am getting strange results.  I can use my external AT1KM tuner to 
>> bring this into a flat 1:1 SWR.  If I press the K3 ATU Tune button I also 
>> get the 1:1 SWR reading (or close to it, one bar on the K3 SWR display plut 
>> the LP-100A reads 1:1).  If I switch the tuner out of service (into a bypass 
>> mode where the K3 is looking at a 4.9:1 SWR), I use the K3 to hit XMIT 
>> briefly and read out the 4.9 SWR.  At this point, it looks like I get a fold 
>> back on power of about 50 percent (operating at 10 watts so fold back to 5 
>> watts I guess).  The next thing I do is switch the AT1KM tuner back into 
>> service without changing anything.  When I key down I am getting SWR of 1:1 
>> on the LP-100A and the K3 but the power is still folded back.  If I hit the 
>> K3 Tune button, it quickly tunes and the power is back to full power (or, 10 
>> watts).
>> 
>> So, my question --- If the K3 folds back power due to high SWR then is it 
>> required to hit the tune button to reset power when you now have a matched 
>> load, 1:1 in this case?
>> 
>> I hope I have explained the situation, it is a little involved in set up but 
>> I ran across this accidentally while measuring some different antenna loads.
>> 
>> Also, I am not sure I am reading the SWR on the K3 correctly.  If I hit the 
>> tune button for one of my antennas (in this case different from above 
>> scenario) and NO EXTERNAL TUNER, The K3 tunes and a single bar shows up on 
>> the SWR display which I figure is either 1:1 or close to it.  But, I have an 
>> LP-100A sitting on the output of my K-line (I have a KPA500 in there but it 
>> is not on during these tests) and the LP-100A gives an SWR reading of 
>> 1.73:1.  Who do I believe? The LP-100A was calibrated at the factory (not a 
>> kit).
>> 
>> Thanks,
>> 
>> 73, phil, K7PEH
>> 
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Re: [Elecraft] K3 ATU Tune

2012-04-23 Thread Joe Subich, W4TV

> The thing that prompted me to ask send the message was the first
> question about the fold back on power and if it needs the K3 ATU
> Tune button to be pressed to reset even though the load is well
> matched and should not fold back at all.

I don't understand this question.  If you have engaged the KAT3 and
it has been unable to tune the load satisfactorily and the K3 goes
into foldback, the load will remain improperly tuned until the KAT3
is tuned again to find a satisfactory set of matching conditions (if
such a set exists).

If one tunes a mismatched load then substitutes a properly matched
load for the mismatched one without readjusting the tuner, the K3 may
fold back because the "good" load is being transformed to a bad one
just the way the "bad" one had been transformed to a "good" load.

I *think* the answer to your question is that the tuner must be
bypassed (or adjusted for a 50 Ohm to 50 Ohm transformation) any
time you connect a "well matched" load.  If you fail to bypass the
tuner, the "well matched load" is no longer matched to the output
condition of the KAT3.

73,

... Joe, W4TV


On 4/23/2012 4:08 PM, Phil Hystad wrote:
> About my second question on the different readings of the K3 ATU and the 
> LP-100A.  Gosh Darn It -- I knew that.  I was not thinking.  I had been doing 
> so many different measurements this morning that when that came about (the 
> different readings), I was surprised but it was obviously not a problem.  I 
> just repeated the measurement and yes, the raw SWR is 1.73:1 and the K3 Tuned 
> to a flat 1:1 yet the LP-100A is reading the raw SWR.
>
> But, actually that was not my main question.  The thing that prompted me to 
> ask send the message was the first question about the fold back on power and 
> if it needs the K3 ATU Tune button to be pressed to reset even though the 
> load is well matched and should not fold back at all.
>
> 73, phil, K7PEH
>
>
> On Apr 23, 2012, at 12:24 PM, Joe Subich, W4TV wrote:
>
>>
>> Phil,
>>
>> The LP-100A (or any external SWR/power measurement device) is not
>> accurate when you are using the KAT3 (K3 internal ATU) since it is
>> on the *output* of the tuner and not the *input*.
>>
>> A tuner *DOES NOT CHANGE THE SWR BETWEEN THE TUNER AND ANTENNA* it
>> only changes the SWR seen by any device looking at the *input* of
>> the tuner.  With the KAT3 the *input* to the tuner is "inside* the
>> K3.
>>
>> 73,
>>
>> ... Joe, W4TV
>>
>>
>> On 4/23/2012 3:17 PM, Phil Hystad wrote:
>>> I am trying to learn the behavior of the K3 ATU Tune.  I am switching 
>>> between two loads.  One is dummy load with SWR of about 1.1.  The other is 
>>> a mismatch on an antenna with a measured SWR of about 4.9 (as read off of 
>>> the LP-100A meter).  I am attempting to use the ATU Tune button to bring 
>>> this unmatched SWR load into a match of 1.5 or under.
>>>
>>> So, I am getting strange results.  I can use my external AT1KM tuner to 
>>> bring this into a flat 1:1 SWR.  If I press the K3 ATU Tune button I also 
>>> get the 1:1 SWR reading (or close to it, one bar on the K3 SWR display plut 
>>> the LP-100A reads 1:1).  If I switch the tuner out of service (into a 
>>> bypass mode where the K3 is looking at a 4.9:1 SWR), I use the K3 to hit 
>>> XMIT briefly and read out the 4.9 SWR.  At this point, it looks like I get 
>>> a fold back on power of about 50 percent (operating at 10 watts so fold 
>>> back to 5 watts I guess).  The next thing I do is switch the AT1KM tuner 
>>> back into service without changing anything.  When I key down I am getting 
>>> SWR of 1:1 on the LP-100A and the K3 but the power is still folded back.  
>>> If I hit the K3 Tune button, it quickly tunes and the power is back to full 
>>> power (or, 10 watts).
>>>
>>> So, my question --- If the K3 folds back power due to high SWR then is it 
>>> required to hit the tune button to reset power when you now have a matched 
>>> load, 1:1 in this case?
>>>
>>> I hope I have explained the situation, it is a little involved in set up 
>>> but I ran across this accidentally while measuring some different antenna 
>>> loads.
>>>
>>> Also, I am not sure I am reading the SWR on the K3 correctly.  If I hit the 
>>> tune button for one of my antennas (in this case different from above 
>>> scenario) and NO EXTERNAL TUNER, The K3 tunes and a single bar shows up on 
>>> the SWR display which I figure is either 1:1 or close to it.  But, I have 
>>> an LP-100A sitting on the output of my K-line (I have a KPA500 in there but 
>>> it is not on during these tests) and the LP-100A gives an SWR reading of 
>>> 1.73:1.  Who do I believe? The LP-100A was calibrated at the factory (not a 
>>> kit).
>>>
>>> Thanks,
>>>
>>> 73, phil, K7PEH
>>>
>>> __
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>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
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>>>
>>> This list host

Re: [Elecraft] K3 ATU Tune

2007-09-06 Thread Dave Martin
This would be nice.  I used the tune function that my Icom radios had
that keyed them up at 10 watts to activate my SGC antenna coupler.
The low power saves the relays as well as reducing interference.  I
bet it's on the firmware enhancement list already.

Dave W5DHM


On 9/6/07, Edward Dickinson, III <[EMAIL PROTECTED]> wrote:
> Is there an output available for the K3 to key a remote ATU via the Tune
> feature/button in the absense of an internal ATU?
>
>
> Regards,
> Dick - KA5KKT/4
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Re: [Elecraft] K3 ATU Tune

2007-09-06 Thread David Ferrington, M0XDF
I too would like this and rather hope Elecraft have already incorporated it.

I have a long wire tuned with an SG237 outside the shack with its coax
coming inside. I am planning on continuing to use that when at home (and
probably put a 1/2 G5RV on the other Ant in).

I currently have an FT-857 and key the rig at 20W via the ACC jack and the
'little brown wire' that tells it I'm on battery power and limits output to
20W.

I'm rather hoping something similar will be possible - I know I'll be able
to key the K3, just if dropping power with a button press will be possible.


On 6/9/07 16:28, "Dave Martin" <[EMAIL PROTECTED]> sent:

> This would be nice.  I used the tune function that my Icom radios had
> that keyed them up at 10 watts to activate my SGC antenna coupler.
> The low power saves the relays as well as reducing interference.  I
> bet it's on the firmware enhancement list already.
> 
> Dave W5DHM
> 
> 
> On 9/6/07, Edward Dickinson, III <[EMAIL PROTECTED]> wrote:
>> Is there an output available for the K3 to key a remote ATU via the Tune
>> feature/button in the absense of an internal ATU?
>> 
>> 
>> Regards,
>> Dick - KA5KKT/4
-- 
Everything secret degenerates, even the administration of justice; nothing
is safe that does not show how it can bear discussion and publicity.
-Lord Acton, historian (1834-1902)


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[Elecraft] K3 ATU TUNE per band only?

2010-04-15 Thread Jorge Diez - CX6VM
Hello,

Actually ATU TUNE is configured per band. Is there any option to have it OFF
in all bands and not to be remembered?

Something like SPLT SV (yes/no) for the SPLIT mode. But I couldn´t find the
same for ATU TUNE.

Thanks,
Jorge
CX6VM
 

-Mensaje original-
De: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] En nombre de Ted Roycraft
Enviado el: Miércoles, 07 de Abril de 2010 01:11 p.m.
Para: Richard Zwirko
CC: elecraft@mailman.qth.net
Asunto: Re: [Elecraft] K3 Split option idea

That option to save the split state per band is already there.  Turn  
"SPLT SV" to "YES".

73, Ted, W2ZK

On 4/7/2010 12:01 PM, Richard Zwirko wrote:
> I wonder what other K3 users think about having this SPLIT option
available
> on the K3. Like many K3 users,  chase DX stations and DXpeditions. Many of
> them working split, listening on a different frequency. With many radios
> that I have used, when a band switch is made, not only are both the 'A'
and
> 'B' VFO FREQUENCIES stored for each band, but they also retain the SPLIT
> /NON-SPLIT conditions for that band. When chasing multiple DX stations,
> often switching between between bands, I have to remember to hold in the
> SPLIT button each time I change between bands. If I forget, I get
'reminded'
> by the KHz Cops. Am I the only one?
>
> Would it be possible to allow K3 users to have the capability of
retaining
> the SPLIT condition on each band, if desired, with a menu option?
>
> If there is concern about accidentally going back to a band and forgetting
> that the radio is still in the split mode, how about having a blinking
SPLIT
> icon?  I know that the blinking SPLIT icon is used to warn of the 2 VFOs
> being set to different modes and that the yellow LED is on when there is a
> difference between RX and TX frequencies. How about the idea of the SPLIT
> icon blinking when the K3 is in the SPLIT mode on instead.
>
> Thoughts/Comments?
>
> 73,
> Rich - K1HTV
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Re: [Elecraft] K3 ATU TUNE per band only?

2010-04-15 Thread Jorge Diez - CX6VM
Ok Greg,

What I want is for example:

I am in 40 mts with ATU ON, I move to other bands and then return to 40 mts
and want to have ATU in bypass. I don´t want K3 to remember that ATU was ON
in this band. 

Maybe is an option to say yes/no to remember this point?

Thanks,
Jorge
CX6VM


-Mensaje original-
De: Greg - AB7R [mailto:a...@cablespeed.com] 
Enviado el: Jueves, 15 de Abril de 2010 11:01 a.m.
Para: 'Jorge Diez - CX6VM'
Asunto: Re: [Elecraft] K3 ATU TUNE per band only?

Jorge,



Just set the ATU to Bypass on the bands (all if that's what you want) and it
will 

remember that setting next time you go back to it.



-

73,

Greg - AB7R

Whidbey Island WA

NA-065





On Thu Apr 15  6:58 , 'Jorge Diez - CX6VM'  sent:



>Hello,

>

>Actually ATU TUNE is configured per band. Is there any option to have it
OFF

>in all bands and not to be remembered?

>

>Something like SPLT SV (yes/no) for the SPLIT mode. But I couldn´t find the

>same for ATU TUNE.

>

>Thanks,

>Jorge

>CX6VM

> 

>

>-Mensaje original-

>De: elecraft-boun...@mailman.qth.net

>[elecraft-boun...@mailman.qth.net','','','')">elecraft-boun...@mailman.qth.
net] En 

nombre de Ted Roycraft

>Enviado el: Miércoles, 07 de Abril de 2010 01:11 p.m.

>Para: Richard Zwirko

>CC: elecraft@mailman.qth.net

>Asunto: Re: [Elecraft] K3 Split option idea

>

>That option to save the split state per band is already there.  Turn  

>"SPLT SV" to "YES".

>

>73, Ted, W2ZK

>

>On 4/7/2010 12:01 PM, Richard Zwirko wrote:

>> I wonder what other K3 users think about having this SPLIT option

>available

>> on the K3. Like many K3 users,  chase DX stations and DXpeditions. Many
of

>> them working split, listening on a different frequency. With many radios

>> that I have used, when a band switch is made, not only are both the 'A'

>and

>> 'B' VFO FREQUENCIES stored for each band, but they also retain the SPLIT

>> /NON-SPLIT conditions for that band. When chasing multiple DX stations,

>> often switching between between bands, I have to remember to hold in the

>> SPLIT button each time I change between bands. If I forget, I get

>'reminded'

>> by the KHz Cops. Am I the only one?

>>

>> Would it be possible to allow K3 users to have the capability of

>retaining

>> the SPLIT condition on each band, if desired, with a menu option?

>>

>> If there is concern about accidentally going back to a band and
forgetting

>> that the radio is still in the split mode, how about having a blinking

>SPLIT

>> icon?  I know that the blinking SPLIT icon is used to warn of the 2 VFOs

>> being set to different modes and that the yellow LED is on when there is
a

>> difference between RX and TX frequencies. How about the idea of the SPLIT

>> icon blinking when the K3 is in the SPLIT mode on instead.

>>

>> Thoughts/Comments?

>>

>> 73,

>> Rich - K1HTV

>> __

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>>

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>>

>>

>>

>

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Re: [Elecraft] K3 ATU TUNE per band only?

2010-04-15 Thread Guy Olinger K2AV
K3 remembers whether ATU is engaged or bypassed per ANT1/ANT2 per
band, and remembers L/C settings per band.  You are asking it
specifically to return to bypass when you leave a band?

It's not like you have to do some complicated thing down in the menus.
 Front panel button HOLD  toggles from bypassed to engaged,
and the current state is plainly shown (ATU showing on the display
means it's engaged).  Some have asked for ATU to drop out if an amp is
in-line, but I've not heard of that being taken up.  Current K3
behavior is pretty standard.

73, Guy.

On Thu, Apr 15, 2010 at 10:18 AM, Jorge Diez - CX6VM
 wrote:
> Ok Greg,
>
> What I want is for example:
>
> I am in 40 mts with ATU ON, I move to other bands and then return to 40 mts
> and want to have ATU in bypass. I don´t want K3 to remember that ATU was ON
> in this band.
>
> Maybe is an option to say yes/no to remember this point?
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