This is the Line Segment tab of the Markers page of the Far Field Graph Options dialog box. The settings in this tab affect the appearance of the Line Segment markers in your graph.
Line style: This entry controls whether the drawn line is solid or dashed.
Line Weight: This entry controls the width of the drawn line.
Symbol: This entry controls the size of the symbol representing the marker endpoints. The larger the specified number, the larger the symbol.
Color: Click on the Edit button to change the color of the line segment marker.