Under Operation Status there is a drop down menu that will give the following choices.
Always
Machine all holes when the Distance Range is at 0.000 and 0.000 for that drilling macro operation.
Incline Only
This will only machine holes that start with an incline circle in that drilling macro operation.
Straight Only
This will machine all the holes that do not start with an incline circle in that drilling macro operation.
Deactivate
This will deactivate that operation from your drilling macro.