Add or remove holes in a firing pattern

Activity steps:

1. Select the Firing module.
2. Select a firing pattern in the DataBlast Items Tree.

   The pattern displays in the Viewport.

3. Select one or more authorised initiation patterns in the DataBlast Items Tree. See Authorise an initiation pattern.

   The pattern(s) display(s) in the Viewport.

4. For each initiation pattern:
   1. Select the entire initiation pattern. See Select objects in the viewport.
   2. On the Firing ribbon menu, in the Authorised Initiation Pattern group, click Add Initiation Pattern to Firing Pattern.
5. To remove an initiation pattern:
   1. Select the initiation pattern.
   2. On the Firing Pattern ribbon menu, in the Authorised Initiation Pattern group, click Remove Initiation Pattern from Firing Pattern.
6. Click Save Changes.

   A tooltip on the firing pattern node in the DataBlast Items Tree displays the number of holes in the firing pattern.