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5. Continue following the on-screen prompts.
FIGURE 8-13: INCREASE/DECREASE FLOW
6. When prompted, connect any CPAP device capable of delivering 20 cm H
2
O to the Flow Meter
using 18” patient tubing. The program will now calibrate negative flow.
FIGURE 8-14: APPLY NEGATIVE FLOW SOURCE
NOTE
Be sure the CPAP device being used for negative flow is set to
20 cm H
2
O and turned on.