A lot of people use VOX instead of PTT for digital modes. —wunder

K6WRU
CM87wj
http://observer.wunderwood.org/

On Nov 12, 2014, at 10:06 AM, RIchard Williams via Elecraft 
<elecraft@mailman.qth.net> wrote:

> Jorge,
> Interesting enough, at a recent club meeting, the presentation was on using 
> the SignalLink as an interface between your radio and computer to operate 
> Winmore using RMS Express.   Until reading all the threads the last couple of 
> days, I was contemplating purchasing a SignalLink;  however, last night I 
> tried hooking my K3 directly to my computer.
> All I did was connect the line out on the K3 to the mic in on the computer 
> (using a stereo cable) and the line in on the K3 to the headphone jack on the 
> computer.   Only thing missing was a way to key the K3.   This is easily 
> solved by using the RS-232 port on the K3;  hook the K3 RS-232 port to your 
> computer (since my computer does not have a RS-232 port, I used a RS-232 to 
> USB dongle).  First go to the config menu in the K3 and find "PTT -- Key";  
> set either DTS or RTS above "PTT" to on.   Now open RMS express; in the setup 
> there is a "PTT Port (optional) setup.  Just selected the correct serial port 
> (found in control panel/device manager), baud rate you selected in the K3 
> config menu, and use either RTS or DTS for keying (the same as you set in the 
> K3 config "PTT --Key" setting).
> Fired everything up, set the Line out gain (I found 3 to work fine), then go 
> to menu and select "Line In" and set the mic gain to an appropriate level (4 
> worked for me); that was it, and I was able to establish Winmor connections 
> on 80 and 40 meters.
> Dick,  K8ZTT
>      From: Jim Brown <j...@audiosystemsgroup.com>
> To: elecraft@mailman.qth.net 
> Sent: Tuesday, November 11, 2014 1:07 AM
> Subject: Re: [Elecraft] Signalink and K3
> 
> On Mon,11/10/2014 1:00 PM, Jorge Diez - CX6VM wrote:
> 
>   I am to buy a signalink and want to know which is the best way to 
> connect it to the K3 so I can order the right cables
> 
> Don't waste your money on it, Jorge. One of the Tascam units is far 
> superior, and about the same cost. http://k9yc.com/USB_Interfaces.pdf
> 
> 73, Jim K9YC
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