Attaching a H4i Humidifier
The H4i humidifier attaches to the front of a VPAP IV or VPAP IV ST device to provide heated humidification. These devices automatically detect the presence of the H4i and no other accessories are required for its use. For more information on using your H4i, please refer to the H4i user guide.
WARNING
!• Make sure that the water chamber is empty and thoroughly dried before transporting the H4i.
•When using the travel bag, always separate the VPAP unit and the H4i and place the H4i in its pouch.
How to Use the Control Panel
LCD screen
Keypad
Start/Stop Key
The control panel of your VPAP device includes an LCD screen which displays the menus and treatment screens as well as a keypad for navigating through the menus and delivering treatment. The keypad has the following keys:
Key | Function | |
Start/Stop | Starts or stops treatment. Extended hold for at least three seconds | |
starts the | ||
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Up | Allows you to increase settings options and scroll through the | |
menu. | ||
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Down | Allows you to decrease settings options and scroll through the | |
menu. | ||
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Performs the function indicated by the guiding text displayed above
Left 
it on the LCD screen. Guiding text includes menu, change, and apply.
Right | Performs the function indicated by the guiding text displayed above | |
it on the LCD screen. Guiding text includes exit and cancel. | ||
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