Active Line Weight
Opens an option menu that is used to set the active line weight and change the line weights of selected elements.
If one or more elements are selected, the line weight of each is changed to the chosen line weight.
The active line weight can also be set ByCell or ByLevel. If ByCell is selected, when a cell is placed the active line weight is used in place of the line weight used when the cell was created. If ByLevel is selected, when an element is placed the line weight defined for the active level is used to display the element.