Re: Tektronix 2430A occasionally fails some tests

user920
 

So I was testing it, and found out that, if I run the self test, the scope doesn't glitch as long as I keep it on. If I turn it on, after some minutes it starts to have those gain problems, but as soon as I run the tests (after the warm up) all is good and I can use the oscilloscope as normal. Is it possible that the battery is failing and causing this problem? Are self-cal values stored in the nvram? I really hope it's not a ccd fault...

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