VISA ignores some commands

I write a little automation script for a DSA8200 Oscilloscope from Tektronix. Part of my script is to set up the MATH 1-4 channels and setting their vertical position and scale. Then, it is supposed to set reference 1 to math1. However, the scope has been ignored these steps. I used some Trace of e/s OR to ensure that orders are sent without error, they are. They're actually coming right on the scope. I am able to use the transmitter/receiver OR manually perform the operations after the script is finished, and they work fine. I tried setting ' * WAI ' all around my different orders trying to see if there is a SYNCHRONIZATION problem, but it did nothing. What could happen?

I have included my nitrace file in case it is helpful at all.

I came across this question with a range of TDS3000 Series.  What I've observed, is that the scope of application would miss orders while he treated the tricks of math (and other "long" processes).  My healing was the magical fairy wait.  I added literally 500ms wait between commands to allow the ability to run all its math and what not.

Tags: NI Hardware

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