K3 & N1MM for RTTY

[KK6T]

OK...now that my K3 kit is complete I'd like to set up N1MM for CW &
RTTY contests.  I can ask this on the N1MM reflector but thought I'd try
here first.  Please respond direct if this is OT.

How do I set up N1MM to have radio control, CW & PTT on the same COM?  
Also, I have FSK on another COM, do I set that up in N1MM or MMTTY?

73 de Terry KK6T
K3 #2965
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[Iain MacDonnell - N6ML-2]

Terry Dunlap wrote:
> OK...now that my K3 kit is complete I'd like to set up N1MM for CW &
> RTTY contests.  I can ask this on the N1MM reflector but thought I'd try
> here first.  Please respond direct if this is OT.
>
> How do I set up N1MM to have radio control, CW & PTT on the same COM?  

Just do it:) In the N1MM "Configurer", under the "Hardware" tab, check
the "CW" box next to the port you've configured for the K3, then click
on the "Set" button, set DTR to "CW" and RTS to "PTT". Then on the K3,
set CONFIG:PTT-KEY to "rts-dtr".

Beware of this if you're considering SO2R CW with N1MM - it doesn't
like the same serial port being used for rig control and CW in that
case, but it seems OK with one radio.


> Also, I have FSK on another COM, do I set that up in N1MM or MMTTY?

MMTTY. You tell N1MM that you're using FSK under the "Digital Modes"
tab of the "Configurer" (also set TU type to "Souncard" there), but
the specifics of FSK interfacing is configured in MMTTY.

     ~Iain / N6ML
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[Julius Fazekas n2wn]

Another option for CW is CONFIG: OFF-KEY, this allows full break-in. Found it really useful in contests...

For FSK you need a second COM port and a simple transistor/resistor interface. Set both RTS and DTR to ALWAYS OFF on the second port.

It's a bit of a bear to get through it all the first time. I fought with the set-up for a while but got a lot of good help here.

I can forward a couple emails with some pointers I received... Works like a charm now.

Cheers,
Julius

Iain MacDonnell - N6ML-2 wrote

Terry Dunlap wrote:
> OK...now that my K3 kit is complete I'd like to set up N1MM for CW &
> RTTY contests.  I can ask this on the N1MM reflector but thought I'd try
> here first.  Please respond direct if this is OT.
>
> How do I set up N1MM to have radio control, CW & PTT on the same COM?  

Just do it:) In the N1MM "Configurer", under the "Hardware" tab, check
the "CW" box next to the port you've configured for the K3, then click
on the "Set" button, set DTR to "CW" and RTS to "PTT". Then on the K3,
set CONFIG:PTT-KEY to "rts-dtr".

Beware of this if you're considering SO2R CW with N1MM - it doesn't
like the same serial port being used for rig control and CW in that
case, but it seems OK with one radio.


> Also, I have FSK on another COM, do I set that up in N1MM or MMTTY?

MMTTY. You tell N1MM that you're using FSK under the "Digital Modes"
tab of the "Configurer" (also set TU type to "Souncard" there), but
the specifics of FSK interfacing is configured in MMTTY.

     ~Iain / N6ML
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... [show rest of quote]

... [show rest of quote]

[Jim Brown-10]

On Tue, 12 May 2009 11:18:39 -0700, Iain MacDonnell - N6ML wrote:

>Beware of this if you're considering SO2R CW with N1MM - it
doesn't
>like the same serial port being used for rig control and CW in
that
>case, but it seems OK with one radio.

I'll take that a few steps further. N1MM can do SO2R with SSB and
RTTY from a single computer that has two serial ports -- IF you
set RTTY up for AFSK and use VOX rather than PTT. That's what I
do, and it works quite well.

N1MM does NOT work for CW SO2R using two serial ports, or even
four serial ports, from the same computer. It has to do with the
way they send CW. Two good ways to do it, depending on your
resources. The method they recommend is with a WinKey keyer. Easy
to build, inexpensive. I bought one, haven't used it yet. The
second way that works (for me, at least) is with two computers,
networked, each with a single serial port. The N1MM folks will
tell you this is "not supported."

There are tutorials on my website about how to reliably interface
rigs and computers without hum and buzz, using nothing more than
wires. No transformers, no interface boxes.

http://audiosystemsgroup.com/HamInterfacing.pdf
http://audiosystemsgroup.com/RFI-Ham.pdf

You can, of course, get much fancier, especially with control of
your headphones.

73,

Jim Brown K9YC


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