I have a close-up image of this item he
http://www.jamesriser.com/Machinery/...atheSetup.html

You should get a better idea of how it works from the above web page.
Jim
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James P. Riser
Http://www.JamesRiser.com

"xray" wrote in message
...
What is the purpose of the thing (faceplate?) that looks like it has 3
little anvils on it? It is near the front of the case in the first
picture.