I opened the "example software" file which is intended to open a COM port and sends command to the keyer. Can someone tell me in "layman's language" what I should do with this file to make keyer operational? Do I place the keyer file (it has a .cpp sufix) in C:\Writelog\Program? It should be obvious that I am not a programmer. I would appreciate any assistance in putting this issue to bed. 73 Jim K7EG