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4 Pull the H4i and flow generator apart.
Note: Re-attach the connector plug firmly to your flow generator.
Starting and stopping treatment
Warming your H4i with the VPAP or S8 Series
The Warm-Up feature (not available on all ResMed PAP devices) is used to pre-heat
the water before starting treatment. Skip this step if you want to start immediately.
To start the Warm-Up feature:
1 Select warmup by pressing on the control panel.
2 The WARMING screen will appear to indicate that the Warm-Up feature is activated.
3 While your H4i is in Warm-Up mode you can:
• Start treatment at any time by pressing .
• Access the menus by pressing .
• Stop the Warm-Up feature at any time by pressing . (This may not apply
on all devices.)
The Warm-Up feature will automatically turn off after 30 minutes if treatment has not
started.
Warming your H4i with the Stellar
Your H4i will be automatically detected when the Stellar is turned on. The treatment
screen will give you the option to start warming up the humidifier prior to starting
treatment. If the humidifier is heating, the related symbol is displayed at the top of
the LCD screen.
Note: The H4i can only be used when the device is connected to mains power
supply.
!
CAUTION
H4i cannot be used for treatment pressures exceeding 35 cm H
2
O.
Starting your treatment
1 Turn the humidity control dial to three ( ). You can adjust the control dial up or down
at any time to find the setting that is most comfortable for you. The setting
switches heated humidification off and delivers minimum humidification while a
setting of six ( ) delivers maximum humidification.
Note: The ResMed Tubing Wrap is designed to enhance comfort by maximising
heat retention along the air tube.
2
Start treatment as described in your device user guide.
Note: The H4i is thermostatically controlled to maintain a constant temperature. The
indicator light will brighten to indicate when the device is actively heating and dim
when it has reached its set temperature.
3
Lie down and arrange the tubing so that it moves freely when you turn in your sleep.
248672 H4i User Guide Eur1.book Page 4 Friday, February 1, 2013 10:57 AM