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Figure d Leak test of the patient circuit
1. Leak test of the breathing system in the mechanical ventilation mode
Perform the test as descried in section 4.2.2Breathing System Leak Test in
Mechanical Ventilation Mode.
2. Leak test of the breathing system in the manual ventilation mode
Tools required:
Breathing tube (quantity: 3)
Breathing tube Y piece (quantity: 1)
Test procedures:
（1） Let the system enter Standby.
（2） Mount the patient circuit properly.
（3） Set the bag/mechanical ventilation switch to the bag position.
（4） Set the pressure of the APL valve to maximum.
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