[RTTY] MMTTY difficulties

[Joe Subich, W4TV]

>> 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.

This acts like the USB port is really a USB to serial adapter.
Select Option | Setup MMTTY | MISC tab ... in the box labeled
"Tx Port" click the "USB Port" button.  Select "C: Limiting Speed"
in the "Processing method" box and click "OK.

73,

    ... Joe, W4TV


On 2/8/2013 10:04 PM, ham at n0sq.us wrote:
> Kok Chen <chen at mac.com> wrote ..
>>
>> On Feb 8, 2013, at 3:51 PM, ham at 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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