A quick and accurate method to square your miter gauge:

http://www.garagewoodworks.com/video.php

I know I have started threads in the past that describe this method,
but I finally put it in a video. If a picture speaks a thousand
words... Yeah, I know, there are dozens of methods for doing this
and that the 'old dogs' that use a square pushed against the blade and
the miter gauge will never change but...

Enjoy

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www.garagewoodworks.com