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ESA Hardware ID Codes

Question asked by MarkBielman on Jun 7, 2019
Latest reply on Jun 9, 2019 by MarkBielman

Hello. Just picked up a used E4407B (needs help) and wondering what's up with the strange results on the hardware screen. 

 

Not sure if HW ID 226 is real or not.

 

Anyone have a list of these ID codes? The unit aligns fine (no errors at least) but it does say "Frequency Reference Error" sometimes... intermittently. Not sure what that means either. The 10 MHz looks spot on. (so does the 50 MHz cal signal)

 

Have NOT opened up the unit yet.

 

Cheers!

 

Mark

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