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E4406A cal coefficients missing ...

Question asked by debugasm on Oct 1, 2014
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Hi,

I believe to be in possession of a first version of the famous instrument E4406A. On the case, you can read "Made in U.S.A." instead of "Made in Malaysia".

This measuring instrument, however, has a problem:

!http://s4.postimg.org/ute63bjvh/E4406_A.jpg! 

How restore the Synthesizer cal coefficients ?

There is a guide or a service manual ?

Thanks very much.

debugasm  
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