Pump Control - Menu Page 4

The pump control page is used to set the pump mode. The sample pump mode can be changed from OFF to ON to AUTO by pressing the circular arrow key.  Auto mode will turn the pump on when the flow is below approximately 1.5 SCFH and off when it is above approximately 1.5 SCFH.  Also shown is the relative flow rate of the sample by a fuel gauge on the left-hand side of the screen.  There is also a traditional flow meter located in the lid of the PGA.  Although the flow indicator on the screen has been calibrated at the factory, the most accurate flow measurements should be taken with the flow meter inside the lid.