[GreenKeys] Re: Just a few RTTY basic questions and a holiday thanks to all

[Russmill47 at aol.com]

John,
 
Yes, you can start to make adjustments by the book.  The points of  range 
test is a great overall test of the health of the printing part  of your Model 19.
 
If you can make up a paper tape that contains a few lines of RY, you can  
quickly see where the RY starts to garble.  If all things were perfect, the  
garble would start at the low point of 20 and the high point of 100.  But  it is 
usually offset, so don't be concerned if it turns out to be
30 and 110, or some similar value.  One you find the points where  the garble 
starts, assuming that your tape is perfect and the tape reader is  perfect (a 
couple of assumptions, I know), you add the high and low points  together and 
divide by 2 to get the average.  For example, 20 plus 100  equals 120. 
divided by 2 is 60 and that is where you should set your  range selector to get best 
copy.
 
And you will find that 50 baud signals will be copied within 10 -15 points  
of the low end number.  
 
Happy Thanksgiving Holiday and enjoy the Model 19.
 
73,
 
Russ
WA3FRP