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Option DSOXDVM (DVM) does not zero

Question asked by tom@wetherbees.com on Nov 28, 2014
Latest reply on Dec 2, 2014 by bsnow
The DVM option (DSOXDVM) on our InfiniiVision 3000 does not show zero volts when the input is grounded. On the DC scale it typically shows -273 mV or there abouts, which is not an inconsiderable offset. Presumably there is some way to set the reference voltage for this measurment, but I can't find it in the manual. Any help will be greatly appreciated.

Thanks,
Tom  

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