No, they do not always have such a label. I have a 465 that has a 1xxxxxx serial # and no other evidence of its Guernsey origin. This is the purpose of TEK using their system of serial number prefixes to designate the plant that produced the instrument. Sometimes there is a label, sometimes not. As far as the military manual not downloading, I am having no such problem at the moment. Perhaps a local network issue?
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Michael Lynch
Dardanelle, AR
Mlynch001