[Elecraft] another contesting how-to question

[Cady, Fred]

Actually, you don't need a keying interface. The K3 does it all. And I,
too, have had no problem keying the K3 from N1MM without a Winkey.

In the Config menu, go to PTT-KEY.
Rotate VFO A to choose OFF-DTR. (You can also choose any combination of
DTR and RTS from the serial port to control PTT and Keying. See Table
3-12 in the KE7X book, if you have it). OFF-DTR means that there is no
PTT control and the K3 will expect a keying signal on the serial port
DTR signal.
In N1MM (I can't speak for other programs), go to the
CONFIGURER->HARDWARE and click the CW/Other Details box for the serial
port you connected to the K3.
Click on SET and make DTR be CW.

That's it. The serial port will be the radio control interface and also
will key the radio when N1MM sends CW. No LPT or any other keying
interface needed.

I haven't done it (no SSB contesting experience) but I suspect that the
PTT capability can be use to key the radio when N1MM is being a voice
keyer.

DX guys, see you this weekend :-)

73
Fred
"The Elecraft K3: Design, Configuration, and Operation"
www.ke7x.com


 

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Julius Fazekas
n2wn
Sent: Tuesday, February 14, 2012 1:15 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] another contesting how-to question

Tim,

Winkeyer is a great piece of equipment and was needed for the K2 after
some changes to N1MM years back, due to timing issues. 

For the K3, you do not "need" Winkeyer at all, and we're talking up to
40 WPM. You do need two ports. You can use the LPT port or  USB to
Serial adapter from your computer, or there are serial add-on cards to
be had. N1MM generates CW.

You will need to build/buy a very simple serial port keying interface to
key the K3 from the program. It is in the N1MM start document, and I see
there are a couple folks who have built little boards for CW/PTT/FSK for
this purpose. 

Winkeyer may be a cost effective option, if you don't have a usable
second port option.

I traded my last built Winkeyer for an un-built kit and some aluminum
tubing. The keyer is still unbuilt. The aluminum is in 40M vertical form
;o)

Check the getting started with N1MM document, it explains a lot of this
in easy to read details. One of the better start=up guides I've seen...

GL in ARRL DX CW!

73,
Julius
n2wn

-----
Julius Fazekas
N2WN

Tennessee Contest Group
http://www.k4ro.net/tcg/index.html

Tennessee QSO Party
http://www.tnqp.org/

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