From the LightBurn documentation:
Documentation/Operations.md at master · LightBurnSoftware/Documentation · GitHub
This setting is only available for Ruida and GRBL based machines. Enabling this setting will allow the laser to dwell in the same position after initially firing or before turning off based on the settings below, and is useful for piercing thick materials before the cut starts.
- Start pause time (ms): Number of milliseconds to fire the laser before moving
- End pause time (ms): Number of milliseconds to fire the laser at the end of a move
- Power (%): Percentage of laser power while paused
