[GreenKeys] Teletype 28

[gil at baudot.net]

Have you tried moving the rangefinder +/- a little bit from where it is?

gil


> -------- Original Message --------
> Subject: Re: [GreenKeys] Teletype 28
> From: Greg Putrich <gregp at n0qds.org>
> Date: Sat, April 02, 2005 8:08 am
> To: Russmill47 at aol.com
> Cc: greenkeys at mailman.qth.net
> 
> > Now that the problem seems to be narrowed down to 3rd pulse, can you 
> > check to see if either the code bar immediately above or below are 
> > interfering with the code bar for the 3rd pulse.
> >  
> > Here is a quick test that might help find out...
> >  
> > Line Feed is 2nd pulse only...
> >  
> > Carriage Return is 4th pulse only...
> 
> Both LF & CR work fine.
> 
> 
> > See if it makes a difference if you type ( or make a paper tape) of 
> > the alternating sequence of the letter O then LF then O then LF... or 
> > O then CR then O then CR.
> 
> The CR clears it up (for a short time). Haven't tried just O & LF 
> yet... will try that.
> 
> It seems to be worse when the typebox is on the right half of the 
> carriage. It still can happen on the left half, but is not likely.
> 
>  
> > Hopefully, this will help pin down the problem a little further.   I 
> > saw a similar problem where there was a slight interference between 
> > two code bars, causing the gain of a pulse...
> 
> I'll take a close look at them.
> 
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