Select the Position

Enter the values in the fields for east, north and up in the Position frame. The user can also change the reference by entering the name of an existing element in the Wrt field. If the field is greyed out, click Coordinate Locked to unlock it.

Click Pick Position to select the position in the graphical view to invoke the Positioning Control window. Follow the prompt Pick Position (Snap) Snap:. To avoid changing a desired value in a field, click Coordinate unlocked to lock it.