To Select Weights Graphically

In the Modify Pen Table dialog’s Element Selection Criteria tab, click the Weight button.
The Select Weights dialog opens.
Do one of the following:

Select the required weights by clicking them. Clicking a selection a second time deselects it.

or
Use the All or None buttons to select all weight values or no weight values, respectively.
Click OK.
The selected values are entered in the Weights field.