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HDM Support Welcome Login Home Solutions How can we help you today? Enter your search term here... Search Login to submit a new ticket Check ticket status 855-436-8724 Knowledge base New Support Portal New Portal 1 October 9, 2020- New Support Portal Z1™ and Z2™- Find answers... Purchase Questions 14 What is the Difference between a Base CPAP and an Auto CPAP? Do I Need A Prescription for the Z2? If I Purchase a Z2 Can I Use the Accessories I Have from My Z1? Is a battery required to use the Z1 or Z2? Is my mask compatible with the Z1™ and Z2™? See all 14 articles Prescription Questions 4 Do I Need A Prescription for the CPAP? Do I Need A Prescription for Accessory Items? How Can I Send My Prescription to You? How Do I Change My Pressure? Battery and PowerShell Questions 15 Is a Battery Required to Use the Z1 or Z2? Can I Use My Z1 or Z2 While Charging the Battery in the PowerShell? Can I Use The DC Mobile Adapter to Run my Device? I Have an Older PowerShell and Just Purchased an Extended Life Battery PowerShell Firmware Upgrade - Overnight Battery (Manufactured prior to 03/2018) See all 15 articles How To View Your Data 5 Do I need a micro-SD card to view my data? Can I view my sleep-data, events-data, or compliance-data? How Can I View My Sleep Data on a Windows PC? The Nitelog Program What Does the AH Count and AHI Index Mean? How To Care For Your Z2 7 How to Assemble the Z1™ and Z2™ How often should I change my polyester filter? Where is the best place to put my Z1™ or Z2™? How should I clean my Z1™ and Z2™? How To Remove the Z1 or Z2 End Cap See all 7 articles Settings 5 How do I change the ramp time and pressure? Setting the Z2 Auto Start/Stop Feature How Do I Turn Bluetooth Feature On and Off? How To Change the Z-Breathe Setting How Do I Change My Pressure? FAQs 12 Do the Z1™ and Z2™ have a (ZBreathe) pressure-relief function? How do I reduce the noise in my Z1™ or Z2™? Where is the best place to put my Z1™ or Z2™? When the display says “REMINDER” what does that mean? How to Assemble the Z1™ and Z2™ See all 12 articles HME Questions 5 Is there a humidifier available for the Z1™ and Z2™? When should I change my Heat Moisture Exchanger? How do I install the HME? Do HMEs work with all mask types? Does the HME need water? Qtube Questions 4 What does the Qtube do? Where does the Qtube go? How often should the QTube be replaced? How Do I Open the QTube? Travel Questions 7 Can I use my Z1™ and Z2™ on the Airplane? Can My Z1 and Z2 Go Into Checked Baggage While Flying? Will my Z1™ and Z2™ work at high altitude if I take it Skiing? Do I need a special plug or converter to use the Z1™ or Z2™ overseas? What voltages will the Z1™ and Z2™ operate under? See all 7 articles Troubleshooting 10 Pressure Spiking Is My Pressure Actually Increasing as Prescribed? How Do I Open the QTube? To Remove the Z1 or Z2 End Cap What does a Fail 1 mean? See all 10 articles Downloads Firmware / Software 5 Z1 Data Viewer Software Nitelog 2.0 App User's Guides Understanding Nitelog data How Do I Turn Bluetooth Feature On and Off? Nitelog issues with new iPhone 11 Breas Vivo 50 Downloads 1 Breas Vivo 50 Software Help Manual Frequently Asked Questions 0 Sleep Data Software Instructions Nitelog 3 Nitelog connection video Understanding Your Nitelog Data How to change time zones using Nitelog DataViewer 1 DataViewer v.2.1.6 Instructions Home Solutions...