http://elecraft.85.s1.nabble.com/K3-and-N1MM-Logger-Configuration-Rosetta-Stone-tp2489303p2491495.html
Hi Jim. I've notice something like timing problems or part of the first character being
chopped when CW AND PTT are set at the same time. If I only set either DTR or RTS to key CW
>On Mon, 16 Mar 2009 21:13:03 -0400,
[hidden email] wrote:
>
>>I need some help from anyone who has successfully used their K3
>and
>>N1mm Logger connected through the computer serial Com1 port.
>
>I do that a lot. It works great.
>
>>I select Config Ports and have the settings under the Hardware Tab
>>as Always CW
>
>What that check means is "use this port to send CW"
>
>>and Don't Change Radio Mode.
>
>I have both of the top boxes checked. There are special reasons for
>certain contests where you might want to change that.
>
>>Under the Hardware Tab I select K3 for Com1
>
>Good. Although, if you're not sure that the port you're using is
>really com1, check it out. I've had laptops that put com1 only on a
>port extender and com2 on the computer itself.
>
>>with DTR(Pin4) and RTS(Pin7) both set to Always On as suggested by
>>the N1MM information displayed.
>
>TILT! There's your problem. I'm assuming you want N1MM to send CW.
>To do that, left click on the "Set" button for COM1, then choose CW
>for DTR (pin4). To run only CW, choose Always Off for RTS (pin 7).
>If you want the computer to send PTT to the radio, choose PTT for
>RTS(pin7). With DTR Always On, the serial port won't send CW. With
>RTS(pin7) Always On, you'll be stuck in Transmit if you set the
>radio for PTT on RTS.
>
>Now, go to the Config Menu of the K3 (with a LONG button press for
>the second menu) and go to the PTT-KEY setting. To only run CW, set
>this for OFF-DTR. To run both SSB with PTT from the computer and CW
>from the computer, select RTS-DTR. [This is a WONDERFUL feature
>built into the K3 -- you don't need the transistor between the DTR
>and the key jack, or between the RTS and PTT. The K3 takes CW
>directly from pin 4 and PTT directly from pin 7 -- IF your CONFIG
>setting tells it to do so.
>
>Now, I'll tell you what I do. On CW, I run QSK with the K3. Follow
>the K3 manual to get there. If you plug a paddle into the radio you
>can interchangeably use the paddle and computer keying. For SSB,
>RTTY, and PSK, I use VOX, NOT PTT. For RTTY and PSK, I feed audio
>from the computer sound card to the radio, and from the radio to
>the computer sound card. So I don't use PTT (RTS) at all. Some guys
>like to use PTT, that's your choice. I'm a serious contester, and
>VOX works for me.
>
>BTW -- if you set N1MM to do both CW and PTT, you can still turn
>off CW or PTT or both with the CONFIG setting for PTT-KEY.
>
>73,
>
>Jim Brown K9YC
>
>
>
>
>
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