I would suggest starting frankly above the edge, at a lower angle. As the very edge is polished, you may see whether the very edge has been reached by verifying the scratch pattern.
The Globals come out of the box with a convex edge. Normally a sharpener will establish a V-edge. Most Global models are therefore quite thick behind the edge.
Very different approaches are possible. I just propose mine, not pretending...
To me, the knife seems to be a Fujiwara FKM. Good entry knife, great geometry.
Could you provide any information about that 800-stone? The grit systems used by various manufacturers may differ. And even with stones having the same grit...
