[Ham-Mac] Best way to key a CW rig using a Mac?

[Chris Smolinski]

Use the handshake or Tx line from another serial port, possibly from 
a USB/serial adapter. Or use the audio output, and rectify/filter it 
to produce a DC signal that you can use for keying.

Oh, and use Black Cat CW Keyer 
(http://www.blackcatsystems.com/software/bccwkeyer.html) for the 
software ;-)


>Hi All,
>
>I'm looking for a good way to use my computer as a CW keyer for my 
>Kenwood TS-570.  I don't mind writing a little software for it, but 
>I haven't figured out a good way to key the rig from the Mac.  I 
>have several old world machines, and am presently using a Wallstreet 
>for the job.  I am using the serial port to get data from the rig to 
>my logging program, and so it isn't available.  I could use the 
>audio out and use SSB to transmit the CW signal, but the rig won't 
>allow me to use the CW filters or features of the rig if I do that. 
>I've got  free ADB port, an S video port, SCSI, monitor port and a 
>PCMCIA slot free (if it will fit with the wireless card in the other 
>slot).  I suppose I could make a hardware hack to key the rig, and 
>at the moment it actually is looking like the best option, but it 
>sure would be nicer if the solution only involved software.  Does 
>anyone have any ideas?
>
>Tnx for the advice,
>
>Rob
>--
>Rob Frohne, Ph.D., P.E.
>E.F. Cross School of Engineering
>Walla Walla College
>http://www.wwc.edu/~frohro/
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-- 

---
Chris Smolinski
Black Cat Systems
http://www.blackcatsystems.com