No. Just use the set focus tool. All material has nominal dimensions to it which means there is a range of thickness. Even the proofgrade will take a pic of the material to get accurate thickness with the head camera.
Want to take a ride into one aspect of nominal dimensions?
You can over ride to set manual the focus for the laser in some cases when you want a defocused beam.
Remember there is focusing for the lid camera image to get the bed picture correct for design placement. Using the set focus behind the gear icon gets you a great image for placing the design accurate.
Then there is the operation of focusing the lens in the head, which you don’t have to worry about because the set focus tool does both giving an accurate focus on the surface of the material in the lid camera image and then correct focus of the beam on the material.
Saved settings really should be just for power and speed, LPI, etc.