Hi, and thanks?for getting back to me so promptly. Maybe toolbar is the wrong term. At the top of the the app it has File, Options and Help buttons along with the name PSUD2. This does not show itself unless I move my cursor all the way to the top of the screen and then it drops down in view but if I move the cursor down even a tiny bit, it retracts back up out of view. Again, maybe this is something to do with my macbook but it hasn't occurred with anything else.
On the issue with the transformer primary voltage flipping back to 240, when I run the app on my PC, there's no issue and it stays set to 120 when I reclick on the transformer but not so with the mac.
The problem with the mac is after I set it to 120, and click ok, it immediately reverts back to 240 even without doing anything else. Maybe it doesn't affect the ability of the program to calculate things?
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?The version I'm using is PSUD2 version 2.20 build 74
My mac OS version is Catalina version 10.15.7 from mid 2012
Thanks,
Allen
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Allen