I have an older K3 (ser. 0007!) which only has an RS232 port. It connects
directly to an RS232 port on the computer (Win 10), though I have also
used a USB-serial converter. This provides the radio control. The K3 is
well-supported in N1MM.
For keying I use a Winkey USB. This (obviously) has a USB connection to
the computer, which is recognized by N1MM.
In the past I allowed N1MM to generate the CW and keyed the K3 via the
DTR line. But results were not good if the computer was busy getting
spots via the internet.
73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/
On 14/10/2022 17:22, dave arruzza via Elecraft wrote:
To all: What is the preferred method of keying and rig control when
using a K3
with N1MM.
73Dave W1CTN
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