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LED on 85047A

Question asked by tak3yama on Jun 2, 2008
Latest reply on Jun 2, 2008 by RayH
Can I have advice on 85047A S-Parameter test set?
I'm try to done Full-2 Port calibration and I think my operation is OK
but LEDs at the front of 85047A are alternatively turn ON and OFF continuously.  
I could not see any Error msg on HP 8753C monitor.
Or can I keep measuring with this conditions?