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[K3] KDVR3

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Roy Morris-6

[K3] KDVR3

Re-transmitting (on-the-air) an SSB signal that has been recorded on-the-air results in a very "pinched" audio through the DVR monitor and a slightly pinched audio reported by those receiving the play-back. The re-transmission is no longer the faithful reproduction it used to be.
However, the play-back in my K3 without re-transmitting is a faithful reproduction. This occurs in both of my K3s that have the KDVR3 option. It occurs in both firmware 4.14 and 4.18. This is NOT an RF feedback problem. It is also there when using a 50 ohm dummy load. Does anyone else have this problem? Roy Morris W4WFB
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Jim Cox

Re: [K3] KDVR3

Yes, this has been a problem here since I got my K3 about a year ago.
Others have noticed it when their audio is played back to them making
playback on the air almost useless for quality reports.
I have reported this problem but nothing has been done to solve it.

Hopefully the problem will be fixed in the future.

Jim K4JAF

----- Original Message -----
From: "Roy Morris" <[hidden email]>
To: <[hidden email]>
Sent: Tuesday, November 09, 2010 6:38 AM
Subject: [Elecraft] [K3] KDVR3

> Re-transmitting (on-the-air) an SSB signal that has been recorded
> on-the-air results in a very "pinched" audio through the DVR monitor and a
> slightly pinched audio reported by those receiving the play-back. The
> re-transmission is no longer the faithful reproduction it used to be.
> However, the play-back in my K3 without re-transmitting is a faithful
> reproduction. This occurs in both of my K3s that have the KDVR3 option.
> It occurs in both firmware 4.14 and 4.18. This is NOT an RF feedback
> problem. It is also there when using a 50 ohm dummy load. Does anyone
> else have this problem? Roy Morris W4WFB
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
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> Please help support this email list: http://www.qsl.net/donate.html

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Nr4c

Re: [K3] KDVR3

I think I posed this question before. Does the DVR audio recording get
passed thru the TX EQ currently set? Or does the TX EQ get set
temporarily to "0 0 0 0 0 0 0)? I think this would be the best IMHO. I
have made recordings with two different mics, and then they were
played back, they didn't sound the same as immediately after recorded.
I assumed that the first recording was recorded with one TX EQ. Then I
reset the EQ and made second recording. Now when I play the first
recording, it sounds different, as if it were being re-EQd by the new
TX EQ settings. I'd like a real answer to this.

...bc

ps; Hi Roy!

NR4C

Quoting Jim Cox <[hidden email]>:

> Yes, this has been a problem here since I got my K3 about a year ago.
> Others have noticed it when their audio is played back to them making
> playback on the air almost useless for quality reports.
> I have reported this problem but nothing has been done to solve it.
>
> Hopefully the problem will be fixed in the future.
>
> Jim K4JAF
>
>
> ----- Original Message -----
> From: "Roy Morris" <[hidden email]>
> To: <[hidden email]>
> Sent: Tuesday, November 09, 2010 6:38 AM
> Subject: [Elecraft] [K3] KDVR3
>
>
>> Re-transmitting (on-the-air) an SSB signal that has been recorded
>> on-the-air results in a very "pinched" audio through the DVR monitor and a
>> slightly pinched audio reported by those receiving the play-back. The
>> re-transmission is no longer the faithful reproduction it used to be.
>> However, the play-back in my K3 without re-transmitting is a faithful
>> reproduction. This occurs in both of my K3s that have the KDVR3 option.
>> It occurs in both firmware 4.14 and 4.18. This is NOT an RF feedback
>> problem. It is also there when using a 50 ohm dummy load. Does anyone
>> else have this problem? Roy Morris W4WFB
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
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KK7P

Re: [K3] KDVR3

The DVR is AFTER the receiver filters (so ti records what
you hear) and BEFORE the tramsmitter filters (so your
voice sounds the same as if you were using amicrophone).
Thus Rx EQ, notch, APF, etc affect what you record, and
Tx EQ, compression, etc., affect what your transmit.

73,

Lyle KK7P/4

> ...Does the DVR audio >recording get
> passed thru the TX EQ currently set? Or...
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David Gilbert

Re: [K3] KDVR3

In reply to this post by Nr4c

A quick and easy search of the archives brought up this reply from Lyle
dated June 22 to an earlier post:

"The DSP treats all TX audio sources the same: FP MIC, RP MIC, Line In,
and DVR. TX EQ and/or CMP will be applied if active in the current mode."

73,
Dave AB7E

On 11/9/2010 8:50 AM, [hidden email] wrote:

> I think I posed this question before. Does the DVR audio recording get
> passed thru the TX EQ currently set? Or does the TX EQ get set
> temporarily to "0 0 0 0 0 0 0)? I think this would be the best IMHO. I
> have made recordings with two different mics, and then they were
> played back, they didn't sound the same as immediately after recorded.
> I assumed that the first recording was recorded with one TX EQ. Then I
> reset the EQ and made second recording. Now when I play the first
> recording, it sounds different, as if it were being re-EQd by the new
> TX EQ settings. I'd like a real answer to this.
>
> ...bc
>
>
> ps; Hi Roy!
>
> NR4C
>
>
>
> Quoting Jim Cox<[hidden email]>:
>
>> Yes, this has been a problem here since I got my K3 about a year ago.
>> Others have noticed it when their audio is played back to them making
>> playback on the air almost useless for quality reports.
>> I have reported this problem but nothing has been done to solve it.
>>
>> Hopefully the problem will be fixed in the future.
>>
>> Jim K4JAF
>>
>>
>> ----- Original Message -----
>> From: "Roy Morris"<[hidden email]>
>> To:<[hidden email]>
>> Sent: Tuesday, November 09, 2010 6:38 AM
>> Subject: [Elecraft] [K3] KDVR3
>>
>>
>>> Re-transmitting (on-the-air) an SSB signal that has been recorded
>>> on-the-air results in a very "pinched" audio through the DVR monitor and a
>>> slightly pinched audio reported by those receiving the play-back. The
>>> re-transmission is no longer the faithful reproduction it used to be.
>>> However, the play-back in my K3 without re-transmitting is a faithful
>>> reproduction. This occurs in both of my K3s that have the KDVR3 option.
>>> It occurs in both firmware 4.14 and 4.18. This is NOT an RF feedback
>>> problem. It is also there when using a 50 ohm dummy load. Does anyone
>>> else have this problem? Roy Morris W4WFB
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:[hidden email]
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>>
>
> ______________________________________________________________
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Stewart Baker

Re: [K3] KDVR3

In reply to this post by KK7P

My view is that the RX situation is fine i.e. you want to record
what you hear. However, I think on TX it would be useful to have
the option of either:-
a) Replaying exactly what you heard - e.g. for other station audio
b) Replaying through the EQ, Compression etc - e.g. for contests

73
Stewart G3RXQ
On Tue, 09 Nov 2010 07:46:14 -0800, lyle johnson wrote:

> The DVR is AFTER the receiver filters (so ti records what
> you hear) and BEFORE the tramsmitter filters (so your
> voice sounds the same as if you were using amicrophone).
> Thus Rx EQ, notch, APF, etc affect what you record, and
> Tx EQ, compression, etc., affect what your transmit.
>
> 73,
>
> Lyle KK7P/4
>
>> ...Does the DVR audio >recording get
>> passed thru the TX EQ currently set? Or...
> ______________________________________________________________
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Nr4c

Re: [K3] KDVR3

In reply to this post by David Gilbert

OK, sorry I missed that in the archives.

Maybe this question is covered before as well, but here goes. When
recording with the mic to make a recording to re-TX, is EQ applied to
this? I'm trying to determine if the EQ is applied twice, or just
once. Maybe I should make the recordings with TX EQ flat at "0 0 0 0 0
0 0".

...bc NR4C

Quoting David Gilbert <[hidden email]>:

>
> A quick and easy search of the archives brought up this reply from Lyle
> dated June 22 to an earlier post:
>
> "The DSP treats all TX audio sources the same: FP MIC, RP MIC, Line In,
> and DVR. TX EQ and/or CMP will be applied if active in the current mode."
>
>
>
> 73,
> Dave AB7E
>
>
>
> On 11/9/2010 8:50 AM, [hidden email] wrote:
>> I think I posed this question before. Does the DVR audio recording get
>> passed thru the TX EQ currently set? Or does the TX EQ get set
>> temporarily to "0 0 0 0 0 0 0)? I think this would be the best IMHO. I
>> have made recordings with two different mics, and then they were
>> played back, they didn't sound the same as immediately after recorded.
>> I assumed that the first recording was recorded with one TX EQ. Then I
>> reset the EQ and made second recording. Now when I play the first
>> recording, it sounds different, as if it were being re-EQd by the new
>> TX EQ settings. I'd like a real answer to this.
>>
>> ...bc
>>
>>
>> ps; Hi Roy!
>>
>> NR4C
>>
>>
>>
>> Quoting Jim Cox<[hidden email]>:
>>
>>> Yes, this has been a problem here since I got my K3 about a year ago.
>>> Others have noticed it when their audio is played back to them making
>>> playback on the air almost useless for quality reports.
>>> I have reported this problem but nothing has been done to solve it.
>>>
>>> Hopefully the problem will be fixed in the future.
>>>
>>> Jim K4JAF
>>>
>>>
>>> ----- Original Message -----
>>> From: "Roy Morris"<[hidden email]>
>>> To:<[hidden email]>
>>> Sent: Tuesday, November 09, 2010 6:38 AM
>>> Subject: [Elecraft] [K3] KDVR3
>>>
>>>
>>>> Re-transmitting (on-the-air) an SSB signal that has been recorded
>>>> on-the-air results in a very "pinched" audio through the DVR monitor and a
>>>> slightly pinched audio reported by those receiving the play-back. The
>>>> re-transmission is no longer the faithful reproduction it used to be.
>>>> However, the play-back in my K3 without re-transmitting is a faithful
>>>> reproduction. This occurs in both of my K3s that have the KDVR3 option.
>>>> It occurs in both firmware 4.14 and 4.18. This is NOT an RF feedback
>>>> problem. It is also there when using a 50 ohm dummy load. Does anyone
>>>> else have this problem? Roy Morris W4WFB
>>>> ______________________________________________________________
>>>> Elecraft mailing list
>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>>> Help: http://mailman.qth.net/mmfaq.htm
>>>> Post: mailto:[hidden email]
>>>>
>>>> This list hosted by: http://www.qsl.net
>>>> Please help support this email list: http://www.qsl.net/donate.html
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:[hidden email]
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>>
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>>
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>
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KK7P

Re: [K3] KDVR3

The DVR RECORDS pre-Tx filtering and playes back Pre-Tx
filtering.

73,

Lyle KK7P

> ... When
> recording with the mic to make a recording to re-TX, is
>EQ applied to
> this? I'm trying to determine if the EQ is applied
>twice...
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Ron Hahn (EI2JP)-4

P3 not displaying any signal {wexp3}

Greetings Fellow Elecrafters,

With great anticipation I finally got around to assembling my P3 (SN 211) last weekend. Assembly went great and power on tests were encouraging.

Unfortunately, it fails to display any output from the IF output port on my K3. Nothing. Every function seems to work just fine except that S9 signals on 30m (freq displayed OK) do not show anything on the display.

So, I first thought that maybe I had a bad interconnect cable so tried another ... nothing.

Moved the frequency knob of the K3 around ... frequency display tracks the VFO.

Tried every function on the P3 ... everything appears to work fine.

I have not made the +10dB mod to my transverter board nor have I upgraded the firmware in the P3 from factory (0.28).

I am now wondering if I have a busted IF output or (sigh) a faulty P3??

Suggestions on how to troubleshoot this further please?

Ron
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John Lemay

Re: P3 not displaying any signal {wexp3}

Ron

There's a very simple test you can do:-

Connect a receiving aerial direst to the "IF Input" of the P3. You should
see a rise of some 10 or 20dB in the noise floor.

You have remembered to connect the tmp cable from the RF board to the front
panel haven't you ?

Regards

John G4ZTR

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Ron Hahn (EI2JP)
Sent: 09 November 2010 20:40
To: [hidden email]
Subject: [Elecraft] P3 not displaying any signal {wexp3}

Greetings Fellow Elecrafters,

With great anticipation I finally got around to assembling my P3 (SN 211)
last weekend. Assembly went great and power on tests were encouraging.

Unfortunately, it fails to display any output from the IF output port on my
K3. Nothing. Every function seems to work just fine except that S9 signals
on 30m (freq displayed OK) do not show anything on the display.

So, I first thought that maybe I had a bad interconnect cable so tried
another ... nothing.

Moved the frequency knob of the K3 around ... frequency display tracks the
VFO.

Tried every function on the P3 ... everything appears to work fine.

I have not made the +10dB mod to my transverter board nor have I upgraded
the firmware in the P3 from factory (0.28).

I am now wondering if I have a busted IF output or (sigh) a faulty P3??

Suggestions on how to troubleshoot this further please?

Ron
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__________ Information from ESET NOD32 Antivirus, version of virus signature
database 5604 (20101109) __________

The message was checked by ESET NOD32 Antivirus.

http://www.eset.com

__________ Information from ESET NOD32 Antivirus, version of virus signature
database 5604 (20101109) __________

The message was checked by ESET NOD32 Antivirus.

http://www.eset.com

______________________________________________________________
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Doug Joyce

Re: P3 not displaying any signal {wexp3}

Ron: Another thing to try - connect the IF output from the K3 to a separate
receiver and listen to confirm that the K3 IF output signal is present.at
8.215 MHz.

73, Doug VE3MV

----- Original Message -----
From: "John Lemay" <[hidden email]>
To: <[hidden email]>
Sent: Tuesday, November 09, 2010 3:48 PM
Subject: Re: [Elecraft] P3 not displaying any signal {wexp3}

> Ron
>
> There's a very simple test you can do:-
>
> Connect a receiving aerial direst to the "IF Input" of the P3. You should
> see a rise of some 10 or 20dB in the noise floor.
>
> You have remembered to connect the tmp cable from the RF board to the
> front
> panel haven't you ?
>
> Regards
>
> John G4ZTR
>
>
> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of Ron Hahn (EI2JP)
> Sent: 09 November 2010 20:40
> To: [hidden email]
> Subject: [Elecraft] P3 not displaying any signal {wexp3}
>
> Greetings Fellow Elecrafters,
>
> With great anticipation I finally got around to assembling my P3 (SN 211)
> last weekend. Assembly went great and power on tests were encouraging.
>
> Unfortunately, it fails to display any output from the IF output port on
> my
> K3. Nothing. Every function seems to work just fine except that S9
> signals
> on 30m (freq displayed OK) do not show anything on the display.
>
> So, I first thought that maybe I had a bad interconnect cable so tried
> another ... nothing.
>
> Moved the frequency knob of the K3 around ... frequency display tracks the
> VFO.
>
> Tried every function on the P3 ... everything appears to work fine.
>
> I have not made the +10dB mod to my transverter board nor have I upgraded
> the firmware in the P3 from factory (0.28).
>
> I am now wondering if I have a busted IF output or (sigh) a faulty P3??
>
> Suggestions on how to troubleshoot this further please?
>
> Ron
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
> __________ Information from ESET NOD32 Antivirus, version of virus
> signature
> database 5604 (20101109) __________
>
> The message was checked by ESET NOD32 Antivirus.
>
> http://www.eset.com
>
>
>
>
> __________ Information from ESET NOD32 Antivirus, version of virus
> signature
> database 5604 (20101109) __________
>
> The message was checked by ESET NOD32 Antivirus.
>
> http://www.eset.com
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>
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>

Stephen Prior

Re: P3 not displaying any signal {wexp3}

In reply to this post by Ron Hahn (EI2JP)-4

Ron

Forgive the implication of stupidity :-), but you are connected to the
correct bnc connector on the back of the P3 are you?

Stephen G4SJP

On 09/11/2010 20:40, "Ron Hahn (EI2JP)" <[hidden email]> wrote:

>
> Greetings Fellow Elecrafters,
>
> With great anticipation I finally got around to assembling my P3 (SN 211) last
> weekend. Assembly went great and power on tests were encouraging.
>
> Unfortunately, it fails to display any output from the IF output port on my
> K3. Nothing. Every function seems to work just fine except that S9 signals
> on 30m (freq displayed OK) do not show anything on the display.
>
> So, I first thought that maybe I had a bad interconnect cable so tried another
> ... nothing.
>
> Moved the frequency knob of the K3 around ... frequency display tracks the
> VFO.
>
> Tried every function on the P3 ... everything appears to work fine.
>
> I have not made the +10dB mod to my transverter board nor have I upgraded the
> firmware in the P3 from factory (0.28).
>
> I am now wondering if I have a busted IF output or (sigh) a faulty P3??
>
> Suggestions on how to troubleshoot this further please?
>
> Ron
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

Peter, DL2FI

Re: P3 not displaying any signal {wexp3}

In reply to this post by Ron Hahn (EI2JP)-4

Ron,

do you see the baseline? If not it´s probably a wrong adjusted reference
Level. This happened to me, when I started

73/2 de Peter, DL2FI

> -----Ursprüngliche Nachricht-----
> Von: [hidden email] [mailto:elecraft-
> [hidden email]] Im Auftrag von Ron Hahn (EI2JP)
> Gesendet: Dienstag, 9. November 2010 21:40
> An: [hidden email]
> Betreff: [Elecraft] P3 not displaying any signal {wexp3}
>
> Greetings Fellow Elecrafters,
>
> With great anticipation I finally got around to assembling my P3 (SN
> 211) last weekend. Assembly went great and power on tests were
> encouraging.
>
> Unfortunately, it fails to display any output from the IF output port
> on my K3. Nothing. Every function seems to work just fine except that
> S9 signals on 30m (freq displayed OK) do not show anything on the
> display.
>
> So, I first thought that maybe I had a bad interconnect cable so tried
> another ... nothing.
>
> Moved the frequency knob of the K3 around ... frequency display tracks
> the VFO.
>
> Tried every function on the P3 ... everything appears to work fine.
>
> I have not made the +10dB mod to my transverter board nor have I
> upgraded the firmware in the P3 from factory (0.28).
>
> I am now wondering if I have a busted IF output or (sigh) a faulty P3??
>
> Suggestions on how to troubleshoot this further please?
>
> Ron
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html