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Local oscillator unlock problem in E4405B Spectrum analyzer

Question asked by auwn on Apr 3, 2008
Latest reply on Apr 7, 2008 by jborges3
I have a spectrum analyzer Agilent E4405B.
On the right side of screen, i get following instrument message:
"LO unlock"
I have consulted the service guide but unable to resolve the problem
Kindly tell me how can I remove this message from the screen.