K3 Calibration Problem

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K3 Calibration Problem

wb2ssb
Up to the point where I am trying to do the 'TX Gain Calibration'.
(Everything to this point in time has gone exactly as expected; I have
calibrated the Synthesizer successfully, and set up (and rechecked) the
filter settings to match the actual crystal filters instllaed).

 

Here is the problem.

 

When I follow the TX Gain instructions on Page 46 of the owner's manual,
I find a few problems:

 

1)       when I press the ANT button, VFO B says 'NO ATU' .. probably
not an error, since I am in ATU Bypass error.  I guess I was a little
confused by the wording: Switch to ANT1 by tapping ANT.  since I never
see the K3 talking to ANT2 ...

2)       The real problem is that after setting the power to "exactly
5.0 watts" and holidng TUNE, the power reading on 160 meters only goes
to 1.2 watts; when I tap TUNE to exit, VFO B says: ERR TXG.  Similar
problems on other banads, to wit:  1.8 Watts on 80m, 1.4 Watts on 40m,
1.9 Watts on 20m, etc.

 

I am stuck!  Helppppp!

 

Thanks.


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RE: K3 Calibration Problem

Craig Rairdin
> The real problem is that after setting the power to "exactly
> 5.0 watts" and holidng TUNE, the power reading on 160 meters only
> goes to 1.2 watts; when I tap TUNE to exit, VFO B says: ERR TXG.  
> Similar problems on other banads, to wit:  1.8 Watts on 80m, 1.4
> Watts on 40m, 1.9 Watts on 20m, etc.

Make sure you've selected a filter that is at least 1 khz wide for CW
transmit. Otherwise you'll get the ERR TXG message.

Craig
NZ0R
K3/100 #25

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RE: K3 Calibration Problem

wb2ssb
Thanks for the tip, Craig.  

But I am using the standard 2.7KHz filter for these calibrations.
(Indeed, the problem seems to be essentially independent of the filter
or mode chosen.)

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Craig Rairdin
Sent: Saturday, December 01, 2007 2:19 PM
To: [hidden email]
Subject: RE: [Elecraft] K3 Calibration Problem

> The real problem is that after setting the power to "exactly
> 5.0 watts" and holidng TUNE, the power reading on 160 meters only
> goes to 1.2 watts; when I tap TUNE to exit, VFO B says: ERR TXG.  
> Similar problems on other banads, to wit:  1.8 Watts on 80m, 1.4
> Watts on 40m, 1.9 Watts on 20m, etc.

Make sure you've selected a filter that is at least 1 khz wide for CW
transmit. Otherwise you'll get the ERR TXG message.

Craig
NZ0R
K3/100 #25

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K3 displays

Andrew Faber
In reply to this post by wb2ssb
Hi all,
  I'm  new to the reflector, but did use my brand new K3 (ser #76) last
weekend in CQWW CW from P49Y, as a single band 40M HP entrant.
  I loved the K3, and never felt that I was bothered by adjacent channel
interference.  Also, the sound was much cleaner than with our PRO2s, without
any digital clutter or artifacts floating around in the audio field.
  One feature I would like is to be able to display certain parameters
without having to rotate the knob and thus change them.  These include:
  --RIT.  I've been in email contact with Wayne and understand that he may
add an option for continuous display.
  --Bandwidth.  I did change the settings frequently, depending on the size
of the pileup. I have the 400 Hz 8-pole and 200 Hz 5-pole filters.  I
generally used a wider setting, but did go down to 200 and 150 at times.
  -- Power.
  Not sure how this would be implemented, as the natural approach (tapping
the control) already has another function.  Maybe two quick taps?
  I'll post more comments later and would be happy to answer any questions.
Overall, the K3 was a delight to use.  Congratulations to all involved in
its development.
 73, andy, ae6y, p49y


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DSP NR reduction mode on K3

Simon Lewis-7
Hmm maybe I am not doing something right....

When trying to activate NR mode I press NR right ?

And then hold if I want to adjust the level???

Just if I do this as per the manual it says N/A

In tech speak that would say not available to me??

Any ideas.....
?

Probably me - it too me long enough to put my glasses on and check that the
PA and PAIO are different entries too!

:-)
73

Simon


Simon Lewis
GM4PLM/DL4PLM
http://www.dl4plm.net


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Andrew Faber
Sent: Samstag, 1. Dezember 2007 20:46
To: [hidden email]
Subject: [Elecraft] K3 displays

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RE: K3 Calibration Problem

Simon Lewis-7
In reply to this post by wb2ssb
I had this problem then I noticed I was out of the US band limits ....

Try changing frequencies in band and trying again



Simon Lewis
GM4PLM/DL4PLM
http://www.dl4plm.net


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Sanger, Joseph
Sent: Samstag, 1. Dezember 2007 20:04
To: [hidden email]
Subject: [Elecraft] K3 Calibration Problem


Up to the point where I am trying to do the 'TX Gain Calibration'.
(Everything to this point in time has gone exactly as expected; I have
calibrated the Synthesizer successfully, and set up (and rechecked) the
filter settings to match the actual crystal filters instllaed).

 

Here is the problem.

 

When I follow the TX Gain instructions on Page 46 of the owner's manual, I
find a few problems:

 

1)       when I press the ANT button, VFO B says 'NO ATU' .. probably
not an error, since I am in ATU Bypass error.  I guess I was a little
confused by the wording: Switch to ANT1 by tapping ANT.  since I never see
the K3 talking to ANT2 ...

2)       The real problem is that after setting the power to "exactly
5.0 watts" and holidng TUNE, the power reading on 160 meters only goes to
1.2 watts; when I tap TUNE to exit, VFO B says: ERR TXG.  Similar problems
on other banads, to wit:  1.8 Watts on 80m, 1.4 Watts on 40m, 1.9 Watts on
20m, etc.

 

I am stuck!  Helppppp!

 

Thanks.


------------------------------------------------------------
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intended recipient(s) and may contain information that is proprietary,
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unauthorized review, use, disclosure, or distribution is prohibited. If you
have received this email in error please notify the sender by return email
and delete the original message. Please note, the recipient should check
this email and any attachments for the presence of viruses. The organization
accepts no liability for any damage caused by any virus transmitted by this
email. =================================
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RE: K3 Calibration Problem

wb2ssb
thanks simon ... yeah, I noticed that too ... but still quite low power
on all bands and all frequencies.



-----Original Message-----
From: Simon Lewis [mailto:[hidden email]]
Sent: Saturday, December 01, 2007 3:04 PM
To: Sanger, Joseph; [hidden email]
Subject: RE: [Elecraft] K3 Calibration Problem

I had this problem then I noticed I was out of the US band limits ....

Try changing frequencies in band and trying again



Simon Lewis
GM4PLM/DL4PLM
http://www.dl4plm.net


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Sanger, Joseph
Sent: Samstag, 1. Dezember 2007 20:04
To: [hidden email]
Subject: [Elecraft] K3 Calibration Problem


Up to the point where I am trying to do the 'TX Gain Calibration'.
(Everything to this point in time has gone exactly as expected; I have
calibrated the Synthesizer successfully, and set up (and rechecked) the
filter settings to match the actual crystal filters instllaed).

 

Here is the problem.

 

When I follow the TX Gain instructions on Page 46 of the owner's manual,
I
find a few problems:

 

1)       when I press the ANT button, VFO B says 'NO ATU' .. probably
not an error, since I am in ATU Bypass error.  I guess I was a little
confused by the wording: Switch to ANT1 by tapping ANT.  since I never
see
the K3 talking to ANT2 ...

2)       The real problem is that after setting the power to "exactly
5.0 watts" and holidng TUNE, the power reading on 160 meters only goes
to
1.2 watts; when I tap TUNE to exit, VFO B says: ERR TXG.  Similar
problems
on other banads, to wit:  1.8 Watts on 80m, 1.4 Watts on 40m, 1.9 Watts
on
20m, etc.

 

I am stuck!  Helppppp!

 

Thanks.


------------------------------------------------------------
This email message, including any attachments, is for the sole use of
the
intended recipient(s) and may contain information that is proprietary,
confidential, and exempt from disclosure under applicable law. Any
unauthorized review, use, disclosure, or distribution is prohibited. If
you
have received this email in error please notify the sender by return
email
and delete the original message. Please note, the recipient should check
this email and any attachments for the presence of viruses. The
organization
accepts no liability for any damage caused by any virus transmitted by
this
email. =================================
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This email message, including any attachments, is for the sole use of the intended recipient(s) and may contain information that is proprietary, confidential, and exempt from disclosure under applicable law. Any unauthorized review, use, disclosure, or distribution is prohibited. If you have received this email in error please notify the sender by return email and delete the original message. Please note, the recipient should check this email and any attachments for the presence of viruses. The organization accepts no liability for any damage caused by any virus transmitted by this email.
=================================
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RE: DSP NR reduction mode on K3

Don Nesbitt
In reply to this post by Simon Lewis-7
Nothing wrong if you have the latest firmware (MCU 1.42).  NR has been
disabled.  Perhaps available again in the next iteration.  73 -- Don N4HH K3
#83

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Simon Lewis
Sent: Saturday, December 01, 2007 2:58 PM
To: [hidden email]
Subject: [Elecraft] DSP NR reduction mode on K3

Hmm maybe I am not doing something right....

When trying to activate NR mode I press NR right ?

And then hold if I want to adjust the level???

Just if I do this as per the manual it says N/A

In tech speak that would say not available to me??

Any ideas.....
?

Probably me - it too me long enough to put my glasses on and check that the
PA and PAIO are different entries too!

:-)
73

Simon


Simon Lewis
GM4PLM/DL4PLM
http://www.dl4plm.net


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Andrew Faber
Sent: Samstag, 1. Dezember 2007 20:46
To: [hidden email]
Subject: [Elecraft] K3 displays

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--
No virus found in this incoming message.
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Version: 7.5.503 / Virus Database: 269.16.12/1163 - Release Date: 12/1/2007
12:05 PM


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RE: DSP NR reduction mode on K3

Simon Lewis-7
Aahhh !

Ok cool!

Phew!

:-)



Simon Lewis
GM4PLM/DL4PLM
http://www.dl4plm.net


-----Original Message-----
From: Don Nesbitt [mailto:[hidden email]]
Sent: Samstag, 1. Dezember 2007 21:20
To: 'Simon Lewis'; [hidden email]
Subject: RE: [Elecraft] DSP NR reduction mode on K3


Nothing wrong if you have the latest firmware (MCU 1.42).  NR has been
disabled.  Perhaps available again in the next iteration.  73 -- Don N4HH K3
#83

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Simon Lewis
Sent: Saturday, December 01, 2007 2:58 PM
To: [hidden email]
Subject: [Elecraft] DSP NR reduction mode on K3

Hmm maybe I am not doing something right....

When trying to activate NR mode I press NR right ?

And then hold if I want to adjust the level???

Just if I do this as per the manual it says N/A

In tech speak that would say not available to me??

Any ideas.....
?

Probably me - it too me long enough to put my glasses on and check that the
PA and PAIO are different entries too!

:-)
73

Simon


Simon Lewis
GM4PLM/DL4PLM
http://www.dl4plm.net


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Andrew Faber
Sent: Samstag, 1. Dezember 2007 20:46
To: [hidden email]
Subject: [Elecraft] K3 displays

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--
No virus found in this incoming message.
Checked by AVG Free Edition.
Version: 7.5.503 / Virus Database: 269.16.12/1163 - Release Date: 12/1/2007
12:05 PM


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Re: K3 displays

Brendan Minish
In reply to this post by Andrew Faber

On Sat, 2007-12-01 at 11:46 -0800, Andrew Faber wrote:
> Hi all,
>   I'm  new to the reflector, but did use my brand new K3 (ser #76) last
> weekend in CQWW CW from P49Y, as a single band 40M HP entrant.

thanks for the k3 to K3 QSO.  I was also on in the test with my K3,
casual(ish) SOHP(a)  

>   --RIT.  I've been in email contact with Wayne and understand that he may
> add an option for continuous display.

I found that I did not really miss this at all, firstly the K3 has a
nice bright LED that comes on as soon as you are no longer listening on
the TX frequency, this is much more useful than a simple Split
indicator.

Secondly my logging software (N1MM logger) displays the RIT offset for
me at all times, I do most of my looking at the Computer not the rig
when contesting.

I do find that split is implemented very nicely on the K3 and recently I
have been using that where in the past i might have used RIT.
I can however see how under some situations where a full time RIT
display will be useful.


>   --Bandwidth.  I did change the settings frequently, depending on the size
> of the pileup. I have the 400 Hz 8-pole and 200 Hz 5-pole filters.  I
> generally used a wider setting, but did go down to 200 and 150 at times.

I was quiet happy with the K3 in this area as it currently stands, My
ears are the final judge on any filter setting however the K3 roofing
filter / graphic combination is quite intuitive. To me the actual
numbers don't matter, it's hearing the other guy that counts. However I
never looked at the actual numbers on the icoms either.


>   -- Power.
>   Not sure how this would be implemented, as the natural approach (tapping
> the control) already has another function.  Maybe two quick taps?


I am not sure why this would be important to have on display? The only
thing that matters is the power going to the antenna, for this I have an
LP-100.
However My amp requires roughly the same amount of drive on all bands
and the primary reason for tweaking power is to stay within our 400W
limit    
Nudging the power control only moves the power by a small fraction of
1dB so this is as easy a way as any to check what the radio is set to.
there is no way that the other end will ever be able to tell that you
have gone from 70 to 69 watts to check your current setting.
The 7800 gives no real indication of output power either, just a %
indicator, the K3 does the same on the SMeter in any case.


I suppose what I am really saying here is that I am not finding issues
with the User interface choices that have been made by elecraft with the
K3 to make everything fit on the front panel.There is not a single thing
I miss about the user interface on the 7800.
(some may say the bandscope on the 7800 is lovely! however I am using
the SDR14 on the IF out of the K3 and it's by far the best bandscope
solution I have ever used.)

73
Brendan EI6IZ  



--
Don‘t complain. Nobody will understand. Or care. And certainly don‘t try
to fix the situation yourself. It‘s dangerous. Leave it to a highly
untrained, unqualified, expendable professional.

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Re: DSP NR reduction mode on K3

Ken Kopp
In reply to this post by Simon Lewis-7
Would have been better if we'd been alerted of the
"removal" of the DSP NR ...

I spent a number of hours of my time and that of
others pushing on that rope. (:-((

73! Ken Kopp - K0PP
[hidden email]
or
[hidden email]

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Re: K3 displays

AJSOENKE
In reply to this post by Andrew Faber
Thanks for the contact on 40M. Great Signal!
 
pse QSL  ; )
 
Al WA6VNN K3 sn0031
 



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