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Pulmonary Function Test • Publication 014181-001 Rev 02 • www.datasci.com ©2023 Data Sciences International
4 - Setting Positive Pressure
Use the 8-position knob labelled Positive Pressure on the Valve Control module to set the desired pressure level.
For most situations, set this to 50.
Confirm the new pressure by watching the Positive Pressure display. The displayed pressure is approximate so
anything within 5% should be acceptable.
Note: If the FRC valve is actuated (the light beside the FRC valve is lit on the Valve Control
module), the regulator is inhibited. Make sure the FRC valve is switched off or in the Auto
position.
Note: The reservoir regulator works by only pumping air into the reservoir. When turning the
pressure down, you must vent the reservoir by switching on the Inspiration valve on the Valve
Control, otherwise you will not see your pressure reflected on the display
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