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MDO3000 firmware v1.24 has issues

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jaime_g
Posts: 93
Joined: September 23rd, 2014, 6:14 am
Country: United States

MDO3000 firmware v1.24 has issues

Post by jaime_g » November 29th, 2016, 10:33 am

The recently released firmware MDO3000 v1.24 has affected the operation of the MDO3014 we use to measure time delay.
For example when the scope is queried with the command > EVM? <, it returns:

:EVMSG 0, "No events to report-queue empty"

The scope response erroneously inserts the prefix > :EVMG < which causes an error in our LabVIEW driver.
v1.24 also has affected the time delay measurements. All time delay measurements queries return string > 0E+0 < instead of the actual displayed delay. To make matters worse, the MDO3014 oscilloscope does not allow to return to a lower firmware version, i.e., v1.22.

We had no issues with v1.22. Unfortunately, upgrading the MDO3014 to firmware v1.24 has brought our production test to a standstill.

I would appreciate your assistance on how to reprogram the scope with firmware v1.22

David N
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Posts: 542
Joined: July 31st, 2008, 8:26 am

Re: MDO3000 firmware v1.24 has issues

Post by David N » November 29th, 2016, 11:43 am


jaime_g
Posts: 93
Joined: September 23rd, 2014, 6:14 am
Country: United States

Re: MDO3000 firmware v1.24 has issues

Post by jaime_g » December 2nd, 2016, 7:59 am

David N,

I did not use the HEADER OFF command in my scope setup script because I was using *RST to set the MDO3014 to the factory defaults.
According to Appendix C of the Programmer's Manual, using *RST defaults the HEADER to 0 (OFF). This approach works with firmware v1.22.
However, it does not work with v1.24. I had to add another line to my code to include HEADER OFF.

Regards,

Jaime Arévalo

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