Kok Chen <chen@mac.com> wrote ..
>
> On Feb 8, 2013, at 3:51 PM, ham@n0sq.us wrote:
>
> > A real motherboard serial port - not USB
>
> So you are probably transmitting in FSK.
>
> Did you check the baud rate of your UART and make sure it can be set to 45.45
> baud?
Yes.
> Wrong baud rates usually result in some gibberish print, but you said there is
> no print at all, correct?
Correct.
> A reversed RTTY sounds different from correct RTTY; wrong baud rate will also
> sound
> distinctly different. Listen to a real life signal off the air and make sure
> the
> KAM prints properly, and listen again to the signal from your own transmitter
> --
> do they sound pretty much the same?
Kam is working fine.
> When you turn diddles off, does the receiver hear a single constant tone?
Yes. But, I did have to go into the TS2000 menu and invert the tones.
> With the diddles turned off, do you hear an active RTTY tone pair when you
> start
> typing?
Yes. With the diddles turned off I can send traffic to the test radio OK. But
with the diddles turned on no traffic can be sent. Also, when I try to send
traffic with a macro only part of the text gets sent before the radio dekeys.
> Testing with diddles turned off might at least confirm that your typing is
> getting
> through to the UART.
>
> 73
> Chen, W7AY
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