I was experimenting with the PI AF SDK and was using SINUSOID for dummy data. I realise now that I should have created a dummy tag that references SINUSOID but it's a bit too late for my problem.
I had SINUSOID as a PI Point reference for an attribute of an Element in AF. I unchecked the "read only" option and manually entered a value in the attribute. Now SINUSOID has a static value. How can I fix SINUSOID to go back to factory default?