Micromeritics TriStar II 3020 Operator's Manual page 258

Connecting Gases
8. Click the Gas Pressure Test - 3 tab to display its report.
On the report, the Minimum field should read Passed. A Passed reading indicates all valves are in
the proper state for operation.
If the Minimum field indicates Failed, one or more valves is not in the proper position. Set the
valves as shown below and ensure the appropriate pressure is displayed on the low-pressure gauge.
Low-pressure gauge
14 - 15 psig
Regulator shut-off valve
OPEN
If running the test again, close the gas bottle valve before starting the test.
9. Click Close to close the test report. Click Close again to close the test.
9-24
Gas bottle shut-off valve 
OPEN
Regulator control knob
OPEN
302-42828-01 - Dec 2012
TriStar II 3020