For more on the topic of AGC operation and screw-ups, see Don Eyles excellent article <a href="https://www.doneyles.com/LM/Tales.html" rel="nofollow">https://www.doneyles.com/LM/Tales.html</a> and book <a href="http://www.sunburstandluminary.com/SLhome.html" rel="nofollow">http://www.sunburstandluminary.com/SLhome.html</a>