[Orion] psk-31 interface

[Joe Giacobello]

Gene, several here have recommended that no interface whatsoever is 
required with the Orion if the audio input and output are obtained via 
the Aux I/O jack on the rear panel.  Pin 1 is audio input and Pin 4 is 
left channel audio output.  I am not sure why this possible with the 
Orion; they may use some kind of isolation.  I have done the same with 
my FT1000MP using the line out and phone patch audio in jacks, but I 
think the results were not as clean as the Orion.  I haven't looked at 
the Orion schematic.  The bottom line is that I have been doing it this 
way for about three weeks and have received no bad reports or other 
indication of IMD.  I am careful to operate just under the threshold at 
where the ALC LED starts flashing.  You can probably save yourself the 
trouble of building or buying an interface.  If you want an interface, 
only audio transformers, available from Radio Shack and other suppliers, 
are required.

73, Joe

Eugene Klingler wrote:

>what is the best interface to use with the orion for working psk31 that
>doesn't necesitat disconnecting the desk mike?? tnx gene klingler n8zx
>
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