Philips BiPAP AVAPS - Figure 8-15: System Calibration with Negative Flow Source; 8.4 Heater Plate Test; 1. Connect the Patient Tubing with Whisper Swivel II and Test Orifice with End Cap to the Humidifier’s Outlet Port.; 2. Remove the Humidifier Tank from the device’s Heater Plate (if necessary).

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FIGURE 8-15: SYSTEM CALIBRATION WITH NEGATIVE FLOW SOURCE
Once testing is complete, a test data sheet will appear. Click on the “Print” button to print the test results and
file the test data sheet accordingly.
8.4 HEATER PLATE TEST
Perform the following:
1. Connect the Patient Tubing with Whisper Swivel II and Test Orifice with End Cap to the Humidi-
fier’s Outlet Port.
2. Remove the Humidifier Tank from the device’s Heater Plate (if necessary).
F
IGURE 8-16: HUMIDIFIER ICON
IMPORTANT NOTE
During the negative flow portion of testing, the flow meter may display a positive value.
However, you must enter a negative sign (-) when prompted by the software.
To PC
Humidifier Icon is
Displayed Here if
Setting is not “0” (Off)