[WriteLog] Great Circle question

[Georgek5kg at aol.com]

My question is about the "GreatCir Control Properties" window in the Setup  
menu.  What exactly is this window for?  I see that I can set  Lat/Long, 
Layout, Colors and Fonts, but for what purpose?  Nowhere do I  find a Great 
Circle Map that these properties would pertain to.  
 
In the WL documentation for "Setup Great Circle", it says: 'Set your  
station lat and long for bearing calculations.  Also set the color and  units of 
the display."  What display is this referring to?  
 
Also in the documentation, I see a reference to a GreatCircle.ini  file.  I 
do not have a GreatCircle.ini file.  I am understanding that  the CreatCir 
Control Properties window has something to do with having this  ini file.
 
Can someone please fill in the blanks for me?
 
Tnx, George
 
George  Wagner, K5KG
941-400-1960 cell