On 14 Dec 2008 at 16:05, George Wiegand wrote:
  What are you refering to when you say Non-Linear
systems, are you talking
 about Non-Linear Video systems?
 ,George Wiegand 
I think he's talking about NLS, the un-renamed Kaypro.  Maker of a
small portable oscilloscope among other things.
Cheers,
Chuck