You can divide time intervals into smaller units with the same duration. For example, a time interval with a duration of 30 minutes in five time intervals with a duration of 6 minutes each.
1. From the Network menu, choose Time interval sets.
The List (Time interval sets) window opens.
2. In the list, click the time interval set of your choice.
3. Click the 
Edit icon.
The Edit time intervals window opens.
4. Select the time intervals that you want to divide.
5. Click the 
Refine marked time intervals symbol.
The Refine marked time intervals window opens.
6. Enter a number in the Factor input field that determines how many time intervals of the same duration the selected time intervals are divided into.
7. Confirm with OK..
The time intervals are divided.
