[RTTY] MMTTY and reversed

[WW3S]

Same thing with a Kenwood TS-850. You have to go into the menu and select
reverse to transmit "normal" on FSK. I think it has to do with the
transistor used in the keying interface.
On 7/27/2006 8:11:36 AM, FireBrick (w9ol at billnjudy.com) wrote:
> I think this is correct.
>
> If you are using MMTTY as the decoding engine, whether alone, via
Writelog,
> WinWarbler,
> etc.
>
> The reverse button ONLY controls the RECEIVED signal.
> It does not invert your TRANSMITTED signal.
>
> So the fellows who said they worked them transmitting normal, were
correct,
>
>
> Which is the way I did it.
> I clicked on the reverse button, which changed my RECEIVE decode to
> reverse.
> But...if I am correct, I was still transmitting the normal way.
>
> In Yaesu rigs such as my FT1000MP, you must change the default via menu
> item.
> For some reason, the default is reversed in Yaesu, even though the code
> reads as if it was
> right side up.
> I'm pretty sure this anomaly is well documented.
>
> So if YU6AO is using a Yaesu, he was transmitting reversed.
> But if he was using software employing the MMTTY engine, to copy us, he
hit the Reverse
> button.
>
> So it was sort of a duplex operation.
> This is what I think was happening....
> His rig was set up inverted, so he transmitted reversed.
> He hit the button which changed his receive (only receive) to normal so he
could copy us.
>
> If he's
> NOT using a Yaesu and MMTTY