Keyboard-start test (6).
Selected feeders will start after a short delay.
The feeders will continue to run until the time selected has elapsed.
Wait until all materiel has crossed the scale and entered the truck.
Feeder panel-press STOP on the Feed Conveyor.
Send the truck to be weighed.
Upon return, enter the correct net weight of the aggregate.
Keyboard-correct totals (9).
Enter the net weight recorded at the truck scale.
Press error calculator (8).
Enter the weight of the unloaded truck.
Enter the gross weight of the load.
ESCAPE to enter values.
Press ESCAPE and screen print (9) and verify that the span has changed to a new value.
Repeat this procedure until the aggregate scale error is 1/2 of one percent or less.
Scale calibration has now been completed, proceed with feeder calibration if required.