I spent a long time today trying to get FSK RTTY to work on my Orion. I am
using MMTTY ver 1.65 and TxD from a serial port to key the FSK TX data via
the AUX I/O jack.
I couldn't get anyone to answer my calls even with high power. Happened
over and over. I then noticed that the Orion defaults to Mark Low in FSK Tx
Data in the Other menu. I guess I had been TXing inverted (but RXing OK).
When I set this to Mark High, I started TXing normally and was able to make
a few QSOs.
Anyone have any idea why I have to use Mark High? This seems reversed to
me.
I am using the FSK mode on the Orion, by the way, not LSB. I verified that
MMTTY is not in reverse mode.
73,
Bill NT1Y
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