You can select this command to Pause the simulation at the current tool location. If Stock is defined, the cut material simulation is also paused.
Note: To access this tab activate (i.e., double-left-click) on a loaded g-code file from the Project tab. |
click: 
 G-Code Browser: Simulate, Pause menu item |
1.Select Pause from the Simulate tab to Pause the simulation at the current tool location. |