[GreenKeys] Just another dumb question

[Dino Papas]

John - Regarding the port settings themselves I'm running 9600 9/none/ 
1 and that works just fine.

But one issue you may run into is that the port is actually running  
"too fast" for DS-RTTY.  I had that problem when I first hooked my  
machine up.  The symptom was that the received characters were not  
printing to the screen in the normal way you would expect, i.e. a  
rhythmic pace just like a real machine or display.  Instead the  
characters would print to the screen in "bursts" of several  
characters for the lack of a better term.

The guys at Hal recommended the following fix which worked like a  
charm.  Go to that COM port's properties  window in the device  
manager and select the advanced settings tab.  Then set the transmit  
and receive buffer sliders to their minimum values (that's in XP, not  
sure about any other version though). Once I moved those sliders all  
the way to the left (slow) the character "print" problem went away  
and all was good in the world.

Another thing I found was that DS-RTTY doesn't play well with USB/ 
serial adapters...you really need that COM1 true hardware serial port  
hookup.

Hope this helps.

Dino KL0S

On 3Dec2009, at 6:45 PM, John Beckman wrote:

> Hi Ya'll. If you are using DS-RTTY-Win I need some help. I've gotten
> together my interface to connect the radio, computer, and ST-8000A and
> now the trouble shooting begins.
> I couldn't find any RTTY on 20 meters today - in fact, it was hard to
> find ANYTHING on 20 meters. But I have a good source of rtty tones to
> feed into the TU and I am getting RS-232 out of it.
> Here's the dumb question. I have I/O on com port 1 on the computer.  
> But
> I don't know how best to configure the port. It is currently set at  
> 9600
> bits/sec, 8 data bits, parity none, stop bits 1.
> How should I configure it to accept my 45.45 baud, 5 bit, rtty signal?
> Can anyone give me some guidance on this?
>
> Thanks much.
>
> John, W4BTX