Overscan for Line Mode?

The laser stops? As in comes to a standstill? That’s troubling.

How are you burning from RDWorks?

For g-code lasers only grayscale has a valid minimum power setting.

Normally these things would all be defined in firmware. For example, LightBurn has no concept of acceleration or specifies for it in g-code. It only understands g0 rapids and g1 feed rates.