To enable the functions to activate the shutter, activate the mask and the shutter open and shutter off ?
If the resin is not sensitive to background exposure, please do not turn on the shutter as the shutter servo has a limited lifetime. If you want to have a more uniform exposure, you can turn on the mask to reduce the center peak intensity.
Why did the button go to zero? It was very very useful … there are dark times, there will fall printing trays like flies ejjejejje