[TenTec] Orion Interfacing

[Tommy]

George,

Sorry but I don't have a solution just yet, and I am trying to set up the
same way you are doing it. Right now I just use a transistor switch for CW
and a different transistor switch for FSK, but I have to manually change the
cables. I was not aware you could externally key the Orion using the KEY
connector on the back of the Orion and turning the internal keyer OFF. Good
thing to try. Otherwise I'm first going to try just connecting my transistor
pull-down collector of both the CW and FSK switches together and see how
that works. If that causes problems, then I'm going to add a steering diode
from each collector to the PTT line, which may not be a good idea because
then you can only get 'close' to ground, i.e., you would have the collector
to emitter PLUS the diode voltage drop to consider, but shouldnt be much
over about 0.8 volts. Just have to try that. FIRST I'm going to try Bucks
suggestion with the KEY connector for CW1

Would appreciate your sharing how you solve it.

Thank.

73   Tom - W4BQF

----- Original Message -----
From: "George Skoubis" <george.skoubis at verizon.net>
To: <tentec at contesting.com>
Cc: <orion at contesting.com>
Sent: Wednesday, April 07, 2004 1:45 AM
Subject: [TenTec] Orion Interfacing


Hi,

  I just received my Orion Monday and have been interfacing it with my
main computer and have a question for you guys…

  I would like to hook up my PTT/CW/FSK interface (home brew with
opto’s) to the AUX I/O jack and have the rig ready for any mode.  I like
to operate RTTY using FSK and have found a small problem and was
wondering how the rest of you have solved it.

 Here is how I have my connections to my interface made currently; the
PTT (Pin 3) is used for PTT in SSB and FSK modes.  I use a foot switch
so I use a Y cable to connect the foot switch to the interface PTT, the
FSK goes to pin 7, audio out (from soundcard) to pin 1, left audio out
pin 4 (to left soundcard channel), right audio out pin 6 (to right sound
card channel), and pin 2 to ground.

  The only thing missing is a way to connect the CW jack from my
interface to Pin 3 when I’m in CW mode.  I could use a switch and
manually select whether Pin3 connects to the CW jack on the interface or
the footswitch/PTT from interface combo.

  Does anyone else have an automatic solution or does everyone use a
switch or manually swap cables?

Thanks,

George / KF9YR


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