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Welcome!

Congratulations on choosing the ultra-small, lightweight 

Z2 Auto

 machine!  

Your new 

Z2

 has been programmed with your prescribed setting and is almost 

ready for use. 

Please read the instructions below before using the 

Z2

NOTE:

 The 

Auto Start / Stop Feature

 will stop the therapy if a large 

air leak is detected between the 

Z2

 outlet and the mask. This may 

also happen at times when the mask is not being worn properly. 
This common condition should be resolved once all connections 
are secure, the mask is properly worn, and the 

Start/Stop Button

 has 

been pushed or you start to breathe through the mask. 

8

 

Accessories- Qtube® and HME

Your 

Z2

 comes with two accessories – the 

Qtube

 muffler and the 

HME

 

(Heat Moisture Exchanger). 
The 

Qtube

 is a reusable accessory designed to reduce acoustic noise 

transmitted to the mask through the CPAP tube. See illustration below for 
where to install it.
The 

HME

 (Heat Moisture Exchanger) works to provide humidification 

by capturing the moisture as you exhale and provide it back to you as 
you breathe. The 

HME

 is installed as close to the mask as possible. See 

illustration below. 
The 

HME

 should be discarded after seven days of consecutive use or 

when it fails to provide adequate humidification.

8 in. Tube

Tube Adapter

Z2 Auto

Qtube

4 ft. Tube

HME

Mask (not included)

1

 

Connecting the Tube

Connect the 

CPAP tube

 to the round end 

of the tube adapter. Insert the other end of 
the tube adapter into the outlet of the 

Z2

 as 

shown.
Connect the other end of the CPAP tube to 
the mask.
Ensure all connections are tight to avoid air 
leaks.

2

 Connecting the Power

Plug the power supply into the 

Z2

 as shown 

and into a wall outlet. The 

Z2

 will go into 

standby mode displaying 

 on the screen.

The 

Z2

 display will always be active 

whenever the device is receiving power.

3

 Starting Therapy

To initiate therapy, push the 

Start/Stop 

Button

 (   ) or place the mask on your face 

and start breathing. The 

Auto Start / Start 

Feature 

will start the therapy automatically. 

NOTE:

 The 

Auto Start / Stop

 feature 

may not work with the use of a full 
face mask due to its design. In this 
case you will need to press the 

Start/

Stop Button

 to start the therapy.

4

 Stopping Therapy

To stop therapy, either press the 

Start/Stop Button

 (   ) again or remove your 

mask and the 

Auto Start / Stop Feature

 will automatically stop therapy.

5  

Choosing between CPAP and Auto CPAP Mode

The mode, CPAP or Auto CPAP, is set at the same time as the 

Z-Breathe

 setting. The mode is designated on the LCD screen 

by either CPAP for CPAP or APAP for Auto CPAP. The 

Z-Breathe

 

setting, 1, 2, or 3, is the number that follows the mode. To set 
the mode and the 

Z-Breathe

, plug the power supply into the 

Z2

 and wait for it to get to standby mode (screen displays  ). Press and hold 

the UP ( ) or DOWN ( ) ARROWS at the same time. CPAP or APAP will apear on 
the screen. Press the UP ( ) or DOWN ( ) ARROW to change modes and select 
the Z-Breathe setting. Press and hold the 

Start/Stop Button

 (   ) to save the 

selection.

6

 

Programming Treatment Pressure

In CPAP Mode

With the 

Z2

 in standby mode (screen displays  ), press and hold the 

Start/Stop 

Button

 (   ) until the pressure number flashes. Use the UP ( ) or DOWN ( ) ARROW 

to adjust to your prescribed pressure. Press and hold the 

Start/Stop Button

 (   ) 

to save the selection.

In Auto CPAP Mode

tube  

adapter

tube

7

 

Setting Ramp

Ramp Time and initial Ramp pressure is adjusted while the Z2 is in 
standby mode (screen displays  ). 
To set the Ramp Time, press and hold the UP ARROW ( ) until the 
Ramp Time flashes. Press the UP or DOWN ARROW until the desired 
setting is reached. Press and hold the START/STOP BUTTON (   ) to save 
the new setting.
To set the initial Ramp pressure, press and hold the DOWN ARROW ( ) 
until the pressure display flashes. Press the UP or DOWN ARROW until the 
desired setting is reached. Press and hold the START/STOP BUTTON (   ) 
to save the new setting. 

With the 

Z2

 in standby mode (screen displays  ), press and 

hold the 

Start/Stop Button

 (   ) until the words APAP HI 

appears and the pressure number flashes on the screen. 
Us the UP ( ) or DOWN ( ) ARROW to adjust the higher 
number on the pressure range on your prescription. Press 
and hold the 

Start/Stop Button

 (   ) to save the setting. 

Next APAP LO appears and the pressure number flashes. 
Use the UP ( ) or DOWN ( ) ARROW to adjust the pressure 
to the lower number on the prescription. Press and hold 
the 

Start/Stop Button

 (   ) to save the selection.

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