1. Launch BPM 4.1
2. Go to Instrument > Additional functions > Prime
3. Click on the blue Instrument Info Icon
4. Switch off the HTF (to avoid that HTF refills automatically - refilling changes the pressure!)
5. Adjust the HTF system regulator screw ( Figure 3-35) to match the Sheath Pressure with the Manufacturing Pressure
( Figure 3-34).Tolerance = +/- 0.1psi.