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Re: [TenTec] OMNI VI Plus, MMTTY, and FSK

To: w3nr@comcast.net, tentec@contesting.com
Subject: Re: [TenTec] OMNI VI Plus, MMTTY, and FSK
From: KA5M@aol.com
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 25 Jan 2006 12:22:46 EST
List-post: <mailto:tentec@contesting.com>
Ed, I'm just getting started on FSK RTTY, and want to understand the basics 
of the radio to computer interface.  How does a signal from TXD (pin 3) of a 
DB9 serial port connector, through a 1K resistor, to Mark/Space on the rear of 
the OMNI VI Plus, put the transceiver into FSK transmit?  My limited 
understanding is that all Mark/Space input on the rear does is control which 
tone, Mark 
or Space, is being sent.  What am I missing?

Also, which schematic are you referring to?

Marsh, KA5M
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