Lock on your lid, set your toggle to sealing, and set for manual/pressure cook for 2 minutes. Allow for a 15 minutes natural pressure release, and then quick release any remaining pressure.
Allow the jam to cool completely in the Instant Pot. Funnel the jam into clean jars, allowing a little room at the top, especially if you plan to freeze. This will store in the refrigerator for up to 4 weeks, if it lasts that long!
For the variation: use 2 cups less berries, and substitute 2 cups of rhubarb. Use the orange juice in place of the vinegar, and add at the same time.