Glenn Booth wrote:

4) Realise you haven't a clue what you're looking at and play with
Lissajous (sp?) figures for a while 'cos it looks cool.

Yeah, I did that with mine. I'm sure I've got an old book that tells you
what they're for... ...something to do with phase?


--
Wally
www.artbywally.com
www.wally.myby.co.uk