[Elecraft] K3: Configuring N1MM to send CW

Mon Feb 16 13:08:27 EST 2009

Actually Mike, you do not need a keying circuit using a serial cable with the K3. I run a direct serial cable from the computer to the rig and it works like a champ!

I did have timing issues with the K2 and N1MM and had to go to a K1EL keyer to resolve that.

73,
Julius

Julius Fazekas
N2WN

Tennessee Contest Group
TnQP http://www.tnqp.org/

Elecraft K2/100 #4455
Elecraft K3/100 #366

--- On Mon, 2/16/09, W0MU Mike Fatchett (via Nabble) <ml-user+39166-1921107731 at n2.nabble.com> wrote:

> From: W0MU Mike Fatchett (via Nabble) <ml-user+39166-1921107731 at n2.nabble.com>
> Subject: Re: [Elecraft] K3: Configuring N1MM to send CW
> To: "Julius Fazekas n2wn" <phriendly1 at yahoo.com>
> Date: Monday, February 16, 2009, 11:42 AM
> To key cw you will need some type of keying circuitry.  You
> have to have a keying transistor to send CW.
> 
>  6.4 Setup up PTT−ing the rig/sending CW
> Sending CW and PTT−ing the radio can be done three
> different ways.
> Using the Parallel port
> Add an interface to the parallel port, this can be a simple
> one transistor circuit (for
> each pin one) but also a bought interface . More on this in
> the interfacing chapter. Pin
> 16 is used for PTT and pin 17 for CW, these are fixed
> values.
> ¨ 
> Go to the Configurer and select the hardware tab.
> à Select behind the LPT port to use the
> "CW/Other" selection box.
> Select the 'Set' button and choose the right
> settings (CW−speed, PTT−delay
> and the CW/Other port address).
> à 
> The CW/Other Port Address should be the same as used in you
> Windows
> configuration.
> à 
> à Select the correct Radio/VFO setting (1, 2 or Both)
> à Press OK
> ¨ 
> ¨ PTT and CW should work now.
> · 
> Using the Serial port
> Add an interface to the serial port, this can be a simple
> one transistor circuit (for each
> pin one) but also a bought interface . More on this in the
> interfacing chapter. Mostly
> the RTS is used for PTT and DTR for CW.
> ¨ 
> Go to the Configurer and select the hardware tab.
> à Select behind the serial port to use the
> "CW/Other" selection box.
> Select the 'Set' button and choose the right
> settings (CW−speed, PTT−delay
> and the CW/Other port address).
> à 
> à Select the pin to use to PTT and CW.
> The CW/Other Port Address should be the same as used in you
> Windows
> configuration.
> à 
> à Select the correct Radio/VFO setting (1, 2 or Both)
> When Winkey is used also select this setting. The baudrate
> etc. for Winkey is
> fixed and set by the program.
> à 
> à Press OK
> ¨ 
> ¨ PTT and CW should work now.
> · 
> Using a USB port
> ¨ PTT via a USB port can not be done direct, a
> USB−to−serial converter is needed.
> Not every Serial−to−USB can change the status of the
> RTS (and DTR) pins . So
> check before you buy.
> ¨ 
> ¨ When this device is setup in Windows select the serial
> port used by it.
> ¨ Follow the steps for a serial port to set up for
> PTT−ing.
> 
> 
> "A slip of the foot you may soon recover, but a slip
> of the tongue you may never get over." Ben Franklin
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of
> Julius Fazekas n2wn
> Sent: Monday, February 16, 2009 9:24 AM
> To: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] K3: Configuring N1MM to send CW
> 
> 
> Bill,
> 
> Make sure the settings in your K3 match what you're
> telling N1MM to do. When I've run into such a problem it
> was due to a mismatch. 
> 
> I think my K3 is set DTR-RTS (not in front of the radio, so
> don't take this as gospel).
> 
> Crank down the power, or go to test mode. It will save you
> from ummm any unfortunate transmissions.
> 
> I can send more details when I get home if you need them.
> GL in the 'test!
> 
> Cheers,
> Julius
> n2wn
> 
> 
> Bill Feidt wrote:
> > 
> > I'm trying to set up N1MM to send CW to my K3 for
> ARRL DX CW next weekend. 
> > I'm
> > using the USB to Serial cable supplied by Elecraft. 
> The computer 
> > radio control is working fine and I'm able to get
> spots, change bands, 
> > QSY to spots, etc. I'm set up for SO1V. I've
> checked "CW" box on the 
> > same port (COM4) as is used for radio control. The
> N1MM K3 
> > "SupportedRadios" page
> >
> (http://pages.cthome.net/n1mm/html/English/SupportedRadios.htm)
> says,
> > 
> >    The K3 accepts CW on DTR (pin 4) of the same COM
> port
> >    you're using to control the K3. Set N1MM to
> send CW on
> >    that port (Ports setup), and set PTT-KEY (second K3
> >    CONFIG menu) to OFF-DTR, and set the K3 for QSK. In
> >    other words, you don't need that transistor
> adapter unless
> >    you want to do SO2R.
> > 
> > However, when I set PTT-KEY to OFF-DTR, the K3 goes
> into "Test" output 
> > mode and the transmitted in keyed continuously until I
> take it out of 
> > OFF-DTR.  The
> > K3 is
> > set for QSK.
> > 
> > What am I doing wrong?
> > 
> > Any insight will be very much appreciated.
> > 
> > 73,
> > 
> > Bill/NG3K
> > 
> > 
> > 
> > 
> > 
> >
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