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6. Observe the mean pressure display and adjust the patient circuit calibration screw
for a reading of 39 to 43 cmH
a. Before adjusting the calibration screw, confirm there are no leaks, the bias
flow is at 20 LPM and the circuit is set up correctly. See the troubleshooting
guide for more information.
b. Use caution when adjusting the calibration screw. Do not over tighten or
apply excessive force because equipment damage may occur.
O.
2
9
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