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MSOX3024 Probe coupling problems

Question asked by Willco788 on Jan 11, 2015
Latest reply on Jan 12, 2015 by Willco788
I'm having a problem where, when the DVM is activated, I can't change the probe coupling.  It normally happens when the DVM is set to DC.  The probe Coupling menu changes to AC but when the probe is connected to a DC source, the trace still shows a DC voltage.  The DVM coupling is stuck in DC.  Under normal conditions the DVM coupling tracks the probe coupling.

The only way to clear the condition is to turn off the DVM.  Re-enabling the DVM doesn't clear the condition. What's strange is that it doesn't happen all the time and I don't know the failure mode.  It could be a sequence of button presses or that some other feature is enabled.

I have the LAN/VGA, the WAVEGEN and the April 2014 bundled license.  The firmware version is 2.37.2014052001

Jack
Willco Electronics.

Edited by: Willco788 on Jan 11, 2015 2:45 PM

Edited by: Willco788 on Jan 11, 2015 2:51 PM  

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