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analyzer Agilent E4408B . error LO Unlevel

Question asked by aziz on Aug 14, 2014
Latest reply on Aug 28, 2014 by MikeM
I have a spectrum analyzer Agilent E4408B .
There are few messages on the screen:
System , Alignments, Align now, All required 
LO Unlevel 


I have tried to do the "All" alignment but a message "IF Alignment stays on the screen for about a minute and then disappears
but nothing happens and error messages are still there.  

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