First thing you need to do is start a dialog so
cd, (could be a number between 1-12)
So enter command mode on your Fadal
(a command propt will pop up after you typed cd,8)
If it stalls and doesnt read the dir+ or give you the next command prompt then your dont have the right baud rate selected. CD,8 is 9600 baud just go through the numbers until you find the right baud rate.
When you load a program its
cd,8 (again could be any number the unit was setup with)
If you see a @ sign after putting in the + mark then its thinking. The Calmotion device basically give you limited conversation with it and you will find yourself always typing in your CD,? first before checking the directory on the USB key and the + key acts like hitting "enter" and after you hit + it does what you typed in that line.
BTW THE BOOK SUCKS