The red light is not the right size partly because galvanometer correction has not been done, so galvanometer correction can be done first;
The red light is unstable and spinning, you can click “F3 parameters”-“Other”-“Red light pointer“, by increasing the red light speed, the situation of red light can be changed;
If the red light is not clear, you need to change the offset and size ratio, and adjust the overlap of the red light and the laser light.
