Keying question

[Robert McGwier]

Is there any special interface at all needed to key the K2 from the COM port
or can this be done directly?

Bob
N4HY


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[Robert McGwier]

Never mind.  RTFM.  Level shifting required.

Bob


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]]On Behalf Of Robert McGwier
Sent: Wednesday, June 23, 2004 9:35 AM
To: Elecraft Mail
Subject: [Elecraft] Keying question


Is there any special interface at all needed to key the K2 from the COM port
or can this be done directly?

Bob
N4HY


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[Jim Brown-10]

Are you talking about keying from WriteLog on the DTR line?  If so, you need a
simple NPN transistor as an inverter between the computer and the K2 key jack.
I've built several using 2N4123's that I happen to have in my junk box, but any
small signal NPN will do. Collector to the key line, emitter to common, drive the
base through 1K ohms from the DTR line.  Works on my K2, Omni V, TS850, and
TS790A.

Jim

On Wed, 23 Jun 2004 11:17:32 -0000, Robert McGwier wrote:

>Never mind.  RTFM.  Level shifting required.
>
>Bob
>
>
>-----Original Message-----
>From: [hidden email]
>[mailto:[hidden email]]On Behalf Of Robert McGwier
>Sent: Wednesday, June 23, 2004 9:35 AM
>To: Elecraft Mail
>Subject: [Elecraft] Keying question
>
>
>Is there any special interface at all needed to key the K2 from the COM port
>or can this be done directly?
>
>Bob
>N4HY
>
>
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[Joe-aa4nn]

Hi Bob,
Most CW keying lines from PC to rig use LPT1 but COM port also works.  Here
are two examples for keying lines.

http://www.n3fjp.com/    when there, click on CW-PC Interface
http://k1ea.com/hints/lpt.htm

73, Joe, aa4nn

----- Original Message -----
From: Robert McGwier
To: Elecraft Mail
Sent: Wednesday, June 23, 2004 5:35 AM
Subject: [Elecraft] Keying question
Is there any special interface at all needed to key the K2 from the COM port
or can this be done directly?
Bob
N4HY


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[Larry Keith]

Has anyone used a CW Reader and/or CW keyboard with the K1?  I would be
interested in hearing about your experiences..

73,

KQ4BY

K1 - 1884, under construction..

-----------------------------------------
Larry Keith  
231 Shenandoah Trail              
Warner Robins, GA 31088-6289
[hidden email]          
478-329-0030                              
--------------------------------------------

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[Rich Ardolino]

Hi Larry & group,

Don't waste your money. I bought the MFJ 461....its very tricky to adjust it
to display anything but gibberish. It only works for strong signals of
nearly perfectly sent code on an otherwise quiet band. If  you can hear
other signals near your listening frequency, so can the 461 and it will be
"confused", it can't discriminate different tones and lock onto one signal
so it won't work on crowded bands.

Having said all the above, if you are not put off from buying one.....I
intend to sell mine on ebay soon.....it will have a "buy it now" price of
$50.00. You can have it for that price. Its in good shape, little used and I
have the instructions that came with it.

Regards,

Rich  K2CPE
K2 #1102

----- Original Message -----
From: "Larry Keith" <[hidden email]>
Subject: [Elecraft] CW Readers and CW Keyboards.


> Has anyone used a CW Reader and/or CW keyboard with the K1?  I would be
> interested in hearing about your experiences..
>
> 73,
>
> KQ4BY
>
> K1 - 1884, under construction..


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[Wolf-Rüdiger Jürgens-2]

Hi Bob,
> Is there any special interface at all needed to key the K2 from the
> COM port or can this be done directly?

Direct keying is impossible, you need an interface between the serial
port and the K2. I use the following with great success:
http://www.dl2wrj.de/qrss/cwinterf.png

72 Wolf, DL2WRJ
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[Brian Mury-3]

I agree. I have a PK-232MBX which will send and receive CW. It will work
with a reasonably strong signal and a good fist, but if the signal is
weak or the fist is a bit sloppy, it decodes mostly gibberish.

I did find it useful when learning to send CW. I set my rig up so that I
got a sidetone but it didn't transmit. Depending on the rig, this
usually means turning off break-in or VOX; on the K2 you can put it in
"test" mode with the VOX button. You could also hook up the audio from a
practice oscillator. Then I could send code, and it the PK-232 would
decode it. If my fist got sloppy, it would be obvious.


On Wed, 2004-06-23 at 05:27, [hidden email] wrote:

> Hi Larry & group,
>
> Don't waste your money. I bought the MFJ 461....its very tricky to adjust it
> to display anything but gibberish. It only works for strong signals of
> nearly perfectly sent code on an otherwise quiet band. If  you can hear
> other signals near your listening frequency, so can the 461 and it will be
> "confused", it can't discriminate different tones and lock onto one signal
> so it won't work on crowded bands.
>
> Having said all the above, if you are not put off from buying one.....I
> intend to sell mine on ebay soon.....it will have a "buy it now" price of
> $50.00. You can have it for that price. Its in good shape, little used and I
> have the instructions that came with it.
>
> Regards,
>
> Rich  K2CPE
> K2 #1102
>
> ----- Original Message -----
> From: "Larry Keith" <[hidden email]>
> Subject: [Elecraft] CW Readers and CW Keyboards.
>
>
> > Has anyone used a CW Reader and/or CW keyboard with the K1?  I would be
> > interested in hearing about your experiences..
> >
> > 73,
> >
> > KQ4BY
> >
> > K1 - 1884, under construction..
>
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> http://mailman.qth.net/mailman/listinfo/elecraft
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> Elecraft page: http://www.elecraft.com

--
73, Brian
VE7NGR

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[Robert McGwier]

Do you have a rig interface?  Try CWGET, hook it up to your
rigblaster, etc.  It works pretty well.

http://www.softcities.com/CwGet-morse-decoder/download/538.htm

Bob


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]]On Behalf Of [hidden email]
Sent: Wednesday, June 23, 2004 12:28 PM
To: [hidden email]; 'Elecraft Mail'
Subject: Re: [Elecraft] CW Readers and CW Keyboards.


Hi Larry & group,

Don't waste your money. I bought the MFJ 461....its very tricky to adjust it
to display anything but gibberish. It only works for strong signals of
nearly perfectly sent code on an otherwise quiet band. If  you can hear
other signals near your listening frequency, so can the 461 and it will be
"confused", it can't discriminate different tones and lock onto one signal
so it won't work on crowded bands.

Having said all the above, if you are not put off from buying one.....I
intend to sell mine on ebay soon.....it will have a "buy it now" price of
$50.00. You can have it for that price. Its in good shape, little used and I
have the instructions that came with it.

Regards,

Rich  K2CPE
K2 #1102

----- Original Message -----
From: "Larry Keith" <[hidden email]>
Subject: [Elecraft] CW Readers and CW Keyboards.


> Has anyone used a CW Reader and/or CW keyboard with the K1?  I would be
> interested in hearing about your experiences..
>
> 73,
>
> KQ4BY
>
> K1 - 1884, under construction..


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