A great way to know if you are safe to cut is to test by putting your material up to the blade and seeing if the light by the on-switch turns red. If it does, do not cut it!
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There should also be a square sensor sitting near the sawstop for the same purpose.
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A great way to know if you are safe to cut is to test by putting your material up to the blade and seeing if the light by the on-switch turns red. If it does, do not cut it!