Place a text button in the SCHEDULE to LOAD route.
Open the button's Properties - Object dialog box.
Select a Mouse Up event on the Events tab.
Create a Variable Setpoint procedure.
Open the Procedure Information dialog box.
Name the procedure, e.g. XLOAD1.
Select Variable Setpoint in the Action type field.
Check the PRT route list in the Tracker window for the Transition point ID.
For the SCHEDULE to LOAD route the point ID is X_LOAD1.
Select X_LOAD1 in the Point ID field in the Procedure Information dialog box.