Trimble Tilos Help
Use the Baseline Manager to remove baseline activities that are not deleted after deleting related activities. This means that baseline activities with no related activities (after they have been deleted) are:
shown in black
shown at the bottom of the Gantt chart
This feature is unique to Tilos; when you erase an activity in Microsoft Project or Primavera P6, you can no longer show its baseline activity.
Select Tools > Baseline Manager.
Uncheck boxes in the Display column as needed.
Click OK.
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