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HP 54601A error message "illegal operation HO"

Question asked by vics3suns on Sep 15, 2008
Latest reply on Dec 1, 2008 by dmexicot
I know finding any support/service manuals on this scope is nearly impossible, but has anyone seen this error? I only have the operators/user manuals. The scope powers up, but apparently fails the self test and gives this error. Any suggestions?

Vic  

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