In article , Bob Eager
wrote:
On Fri, 16 Jan 2009 22:59:57 UTC, "dennis@home"
wrote:

Yes but they are based on old CRT tubes as LCD and plasma do not have the
same restrictions.

What's a "CRT tube"?

It's what your PIN number would be displayed on. :-)

--
AJL Electronics (G6FGO) Ltd : Satellite and TV aerial systems
http://www.classicmicrocars.co.uk : http://www.ajlelectronics.co.uk