Chapter 5. MeasurementsTransPort ® PT900 User’s Manual 995.3.3 Displaying the Totalizer ScreenThe Batch Totalizer is used for measuring the total volume of fluid which passesthe measurement point over a period of time. This can be done automatically byusing the external Digital Output Gate (see “Digital Outputs” on page 84) or it canbe done manually.For manual operation, refer to Figure 96 below and proceed as follows:1. From the measurement screen, click on the icon at the top of thescreen.2. To start the batch totalizer, click the START button. Note that while thetotalizer is running, the START button is replaced by a STOP button.3. To stop the batch totalizer, click the STOP button. Note that when thetotalizer is not running, the STOP button is replaced by a START button.4. At any time, you may reset the batch totalizer to zero by clicking theRESET button. Note that this resets only the batch totalizer.Figure 96: Totalizer ScreenClick Here