In article <4ug2eq$ich@kannews.ca.newbridge.com>, dchan@Newbridge.COM says...

>What is a ("red dot") F3 screen?
>How can I tell which is is which (red dot and non red dot)?
>Is there a big difference between the two?

The early F3 screen type was replaced with a slightly
brighter type, marked with a small red dot on the frame.
I think all current F3 screens are still marked with
the red dot.
Hope This Helps