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To:  lml@lancaironline.net
Date: Tue, 12 Nov 2013 15:51:22 -0500
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From: John Cooper <snopercod@comporium.net>
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Subject: Re: AOA issue
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I'm in the process of wiring up my Advance AoA (Sport) at the moment and 
noticed that there is only a single ground [Com] wire to the CPU. It is 
up to the builder to provide a return path for the flap switch and the 
two push buttons. I ran a single ground wire to both push buttons, so I 
got to wondering if a loose connection on that ground could be 
responsible for both the uncommanded dimming of the display and 
initiation of a test cycle. The manual states, "you cannot dim the 
display during the self test..." so that would seem to rule out my loose 
ground theory. Today, I checked the two push button switches and they're 
both Normally Open switches, so a faulty ground couldn't be responsible 
for what Angier saw.