BiPAP Auto Bi-Flex user manual, introduces the use instructions of the device, including intended use, warnings, cautions, contraindications, symbol key, system contents, system overview, control buttons, available therapy modes, available Flex Comfort features, installing air filters, connecting the breathing circuit, device placement position, power supply, navigating the device screens, starting the device, ramp feature, mask fit check feature, humidifier preheat, Flex/Rise time screen, setup screen, info screen, device alerts, troubleshooting, accessories, traveling with the system, cleaning the device, cleaning or replacing the filters, cleaning the tubing, service, specifications, disposal, how to contact Philips Respironics, EMC information, limited warranty