Check the Hotkeys sub menu. Default is Ctrl+Shift+O I believe.
Groan, should have seen that. All new to me this software, previously being with the Green Team.
I saw it noted as a Metric Overlay but then in the hotkey assignment it notes it as a Performance Overlay.
Thanks
surprised when you are wanting to use a manual fan curve that it can't be set to very low RPM, even with fine tuning the lowest seems to be 35%.