FAQs

Searching the FAQs helps find answers to many questions.

Do I need a prescription for the Z1™ and Z2™?
Yes, we require a copy of your prescription with your order.  Please be sure that the prescription states whether it is for a CPAP or an APAP.  If it is for...
Tue, 12 Mar, 2019 at 3:35 PM
Do I need a micro-SD card to view my data?
No, the Z1™ and Z2™ store data internally on a flash memory.   Data can be downloaded to your Windows PC using the USB cable included with the Z1™ and Z2™ t...
Fri, 15 Mar, 2019 at 1:34 PM
Are the Z1™ and Z2™ covered by Medicare or Insurance?
Unfortunately, we do not work with insurance providers through our online sales but the Z1™ and Z2™ is coded the same as other CPAP devices to be covered by...
Fri, 15 Mar, 2019 at 2:14 PM
Where Can I Buy the Z1™ and Z2™ Locally?
Our list of local equipment suppliers is expanding daily. Here is the address on our website for the latest list. https://hdmusa.com/store-locator-map/ or ...
Fri, 15 Mar, 2019 at 2:09 PM
Can I view my sleep-data, events-data, or compliance-data?
Yes. Sleep data can be imported from both the Z1™ and the Z2™ CPAP and the Z1™ and Z2™ Auto onto the free HDM DataViewer software. Currently the software is...
Fri, 15 Mar, 2019 at 2:16 PM
Do the Z1™ and Z2™ have a pressure-relief function?
Yes. The Z1™ and Z2™ use an advanced algorithm called Z-Breathe™ to smooth out the breathing cycle while enjoying the benefits of CPAP therapy.  Z-Breathe™ ...
Fri, 15 Mar, 2019 at 2:25 PM
How should I clean my Z1™ and Z2™?
Please refer to the owners manual for complete instructions, but typically you would wipe down the outside of your Z1™ and Z2™ with a damp cloth on a weekly...
Tue, 12 Mar, 2019 at 11:34 AM
How long is the warranty?
The Z1™ devices are warranted for 3 years under normal use and care. The refurbished Z1™ devices are warranted for 6 months under normal use and care. ...
Fri, 15 Mar, 2019 at 2:35 PM
When the display says “REMINDER” what does that mean?
REMINDER is telling you that there is an excessive air leak. The most common reason for this to happen is that the mask is not being worn properly or is off...
Tue, 12 Mar, 2019 at 11:40 AM
How often should I change my filter?
It is best to purchase a 2-pack of filters each month. You will want to check and possibly change out your filter every two weeks to a month, depending ...
Fri, 15 Mar, 2019 at 2:48 PM