How to adjust augment3d model parameters to match actual devices

I am using Chauvet Maverick Force1 Spot and the zoom and edge in Augment3d don't match the image on stage.  How can I adjust these parameters so they will match?  It won't let me change the beam angle or beam edge parameters, telling me "Not valid for this type."  If I could put an offset in these fields, it might come close to what I want.  What can I do to match the Augment3d model with the stage?

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