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Why does DISPLay:WINDow1:TRACe:NEXT? timeout?

Question asked by SZMAN on May 6, 2020
Latest reply on May 6, 2020 by daras

I am working with an N5224A with firmware A.09.50.08.

Our automation software connects and issues the following commands:

*CLS
SYSTem:FPRESET
*OPC? (and it says +1)
DISPLay:WINDow1:TRACe:NEXT?

This used to work. We sent out the NA for calibration and when it came back the last command DISPLay:WINDow1:TRACe:NEXT? times out, even if I set the timeout to something like 20 seconds.

 

Also, the response to CALC1:PAR:CATALOG:EXT? comes back "NO CATALOG" when it used to have contents after issuing the FPRESET.

FPRESET is supposed to put the instrument in a known state, correct?

 

Why would this be?

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