Hi Ian and welcome to the world of PicoScope.
I hope you find lots of helpful tips both here and on the website in the library area:https://www.picoauto.com/library
Please feel free to post or send us your feedback.
The Guided tests are a great way to start, as is the PicoDiagnostics battery test.
Please do make use of the waveform library to supplement the tests.
It would be great to get your thoughts on what else would help you with the system.
When you have some time, Steve Smith has written some great articles on some of the features like maths channels, masks and filters - all of which can really help you in the right circumstances.