• Flex demo - The Flex setting allows you to set the Flex level prior to beginning therapy. The Flex demo setting
allows you to try out the different Flex settings in real time. After a period of time of inactivity, the device will stop
therapy and will use the last Flex demo setting as the new Flex setting for your device. When therapy is again started
from the Home screen, the device will operate using the new Flex setting.
From the Home screen, highlight "Setup" and press the wheel. The following Setup screen will appear. The user can
change settings in the Setup menu.
SYSTEM ONE humidification
4.0 - (auto min) or (CPAP pres)
SYSTEM ONE resistance
Humidifier LED Backlight
note: The screen will only show 4 lines at a time. As you rotate the wheel to toggle over different options the
screen will slide up and down accordingly. If the text is too long to completely fit on the screen, it will scroll horizontally
across the screen when highlighted.
• Flex - This displays the Flex level set by your home care provider. Your home care provider will either enable or
disable Flex. If Flex is enabled and the setting is not comfortable, you can increase or decrease this setting. If your
provider has disabled Flex, you will not see this setting.
note: This same setting is also available under the "Flex" screen.
• SYSTEM ONE humidification - System One humidity control maintains a consistent mask humidity by
monitoring and adjusting for changes in room temperature and room humidity. You can enable or disable this
feature. If the System One humidity control has been disabled, the classic style of basic temperature controlled
heated humidification will be used. This will only display if the humidifier is attached.
• Humidifier - This setting allows you to choose the desired humidity setting: 0, 1, 2, 3, 4 or 5. If the System One
humidity control has been disabled, the classic style of basic temperature controlled heated humidification will be
used and the display will show: 0, C1, C2, C3, C4 or C5 for these settings. This will only display if the humidifier is
attached. Please refer to the humidifier manual if using a humidifier.
• Ramp Start - This displays the ramp starting pressure. You can increase or decrease the ramp starting pressure in
0.5 cm H
O increments. This is only available if Ramp time has been set to >0 and auto min or CPAP pressure >4
O. This will not display if your provider enabled Split night on your device.
• Tubing Type - This setting allows you to select the correct size diameter tubing that you are using with the device. You
can choose either "22" for any Respironics 22 mm tubing, or "15" for the optional Respironics 15 mm tubing.
WaRninG: If you are using the optional Respironics 15 mm tubing, the device tubing type setting must be set to 15.
If your device does not have the tubing type setting, you must use the Respironics 22 mm tubing.
• SYSTEM ONE resistance (
specific Respironics mask. Each Respironics mask may have a "System one" resistance control setting. Contact
your home care provider if you cannot find this resistance setting for your mask. If your provider has locked the
resistance setting into place, you can view the setting but cannot change it, and the screen will display a lock symbol.
If your provider has disabled resistance, you will not see this setting.
X1 X2 X3 X4 X5
) - This setting allows you to adjust the level of air pressure relief based on the