[Elecraft] Using N1MM to Key a K3 with no outboard keyer

[Nr4c]

I have a project on my website ( NR4C.net/projects ) that will connect to a serial port (DE-9 or KUSB) and provide the CAT and breakout DTR & RTS lines for CW and PTT on KX2 and KX3 radios. Works well with n1mm. 

Sent from my iPhone
...nr4c. bill


> On Aug 1, 2018, at 9:08 PM, Richard Ferch <ve3iay at gmail.com> wrote:
> 
> This keying method is not described in detail in the N1MM+ documentation
> because it is not supported by the N1MM+ development team. The reasons for
> this can be found in the N1MM+ online manual (at <
> http://n1mm.hamdocs.com/tiki-index.php?page=Serial+Parallel+and+Sound+Card+Interfacing&structure=N1MM+Logger+Documentation#Choosing_Your_CW_Method>);
> in a nutshell, several of N1MM+'s advanced features do not work with this
> keying method.
> 
> With the K3/K3S, but not the KX2 or KX3, there is another simpler method
> which does not have any of the drawbacks of the CAT command method and
> which does not require all of those CAT1ASC macros in your sent messages.
> It is described in the N1MM+ manual at <
> http://n1mm.hamdocs.com/tiki-index.php?page=Supported+Radios&structure=N1MM+Logger+Documentation#K3_and_K3S>.
> Basicallly, you set the K3's CONFIG:PTT-KEY method to OFF-DTR or RTS-DTR
> (depending on whether you want PTT as well as CW keying or not), and then
> in the N1MM+ Configurer you configure DTR on the radio control port for CW
> (and RTS for PTT if you want that as well).
> 
> Unfortunately, this method will not work with the KX2 or KX3 because their
> serial port interfaces do not have DTR or RTS connections. For this reason,
> the CAT1ASC macro method is used with N1MM+ by many KX2/KX3 owners, despite
> its shortcomings in this context.
> 
> Note: the use of the specialized CATA1ASC macro instead of the basic
> CAT1ASC macro is unnecessary. You can find the documentation for the
> CAT1ASC family of macros at <
> http://n1mm.hamdocs.com/tiki-index.php?page=Macros&structure=N1MM+Logger+Documentation#CATHEX_and_CATASC_Radio_Hex_Macro_Commands
>> .
> 
> 73,
> Rich VE3KI
> 
> 
> KN1CBR wrote:
> 
> The following may test our commitment to the idea that there is no such
> thing as a \
> stupid question . . . .
> 
> I finally got around to setting up my N1MM logger to key my transmitters
> without \