To Control BOM Balloon Size
The BOM balloon size is controlled by the text size of the balloon contents. To make a selected balloon or balloons larger or smaller,
1. Click Text Style from the right mouse button shortcut menu. The Text Style dialog box opens.
2. Use the Height field to enter a height for the text.
3. Click Apply or OK to finish.
If you want to apply a range limit to BOM Balloon size, use the Detail options ( > > , and click change against Detail Options. The Options dialog box opens.)
min_balloon_radius
max_balloon_radius
Set a numeric value for each. the values apply to all newly created balloons. If you set a value of zero there is no min. or max. radius.