ResMed S8 AutoSet Spirit II User manual

RESMED
S8 AutoSet Spirit II Clinical Guide ROW English
CD\Web only — not for printing
ResMed Confidential Proprietary Information, not to be reproduced or made available to third parties
without prior consent from ResMed and not to be used in any unauthorised way.
© ResMed Ltd. 2007
DOC NO 338356
REV 1
SPECIFICATION - PRINTED MATERIALS PAGE 1 of 62
Rev Change
Note
Date Document created by
(Name)
Document checked by
(Name)
1 C17928 17/07/2007 Alison Besley Andrew Cheung or delegate
(see change note)

S8 AutoSet Spirit™ II System
Clinical Guide
English
ResMed Ltd (Manufacturer) 1 Elizabeth Macarthur Drive Bella Vista NSW 2153 Australia • ResMed Corp (US
Designated Agent) 14040 Danielson Street Poway CA 92064-6857 USA • ResMed (UK) Ltd (EU Authorised
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CN 200430121212.2, CN 200430121213.7, CN 200430121211.8, CN 200430121214.1, CN 200430121215.6, CN
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S8 AutoSet Spirit, HumidAire, HumidAire 3i and SmartStart are trademarks of ResMed Ltd and AutoSet and HumidAire
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© 2007 ResMed Ltd. 338356/1 07 07

1
S8 AutoSet Spirit™ II System
ILLUSTRATIONS
Component of 338356/1
A
Keypad
Carry
handle
Air filter
cover
Module
DC input
AC input
LCD
screen
Air outlet
SYSTEM COMPONENTS
Air inlet
2 m
2
34 5
OTHER ACCESSORIES
C
1
8
SETTING UP THE S8™
D
2
3
4
BINTEGRATED HUMIDIFIER
65
3 m
1
7
© 2007 ResMed Ltd.
© 2007 ResMed Ltd.
© 2007 ResMed Ltd.
© 2007 ResMed Ltd.
HumidAire 3i™
1
Note: Some products not available in all regions
3
4
2
338356 illos.qxp 17/07/2007 1:47 PM Page 1

DATA CARD MODULE
G
12
© 2007 ResMed Ltd.
HUSING THE DATA CARD
1
3
2
© 2007 ResMed Ltd.
Note: Some products not available in all regions
HumidAire 3i
EHUMIDAIRE 3i AND S8
© 2007 ResMed Ltd.
1
BLANK MODULE
F
12
© 2007 ResMed Ltd.
Data
communications
port
USING AN ADAPTER
I
12
3
© 2007 ResMed Ltd.
a
a
338356 illos.qxp 17/07/2007 1:47 PM Page 2

iContents
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
User/Owner Responsibility 1
Medical Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Indications for Use 2
Contraindications 2
Warnings 2
Cautions 3
Adverse Effects 4
The S8 AutoSet Spirit II System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
S8 AutoSet Spirit II 5
Masks 5
Humidifiers 6
Data Management Products 6
Accessories 6
Operating Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Principles of Operation 7
System Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SmartStart 11
Delivering Therapy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Using the Mask Fitting Feature 13
Using Humidifiers 14
Navigating the S8 AutoSet Spirit II Menus . . . . . . . . . . . . . . . . . 15
S8 AutoSet Spirit II Keypad and LCD 15
S8 AutoSet Spirit II Menus 17
Data Management Using the Menus . . . . . . . . . . . . . . . . . . . . . . 29
Clinical Menu Results 29
Interpreting Data in the Clinical Menu 32
Smart Data in the Patient Menu 33
S8 Data Management Products . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Using a Blank Module 34
Using the ResScan Data Card Module 34
Patient Management of the Data Card 35
Transmitting Data with the Data Card 37
S8 Adapters 38
Cleaning and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Daily Cleaning 40
Weekly Cleaning 40
Periodic Cleaning 40

iiContents
Replacing the Air Filter 41
Servicing 41
Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
S8 AutoSet Spirit II (without Accessories) 51
Accessories 52
All Devices (where applicable) 52
Symbols which appear on the device 53
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

1Introduction
Introduction
The ResMed S8 AutoSet Spirit™ II system is designed to provide continuous
positive airway pressure (CPAP) therapy to patients with obstructive sleep
apnoea (OSA). Patients with OSA experience recurrent obstruction of their upper
airway (apnoeas) due to relaxation of the tongue and soft palate while they sleep.
Common symptoms are associated with poor sleep quality and may include
excessive daytime sleepiness and tiredness, as well as diminished concentration
and memory loss.
The S8 AutoSet Spirit II device has two therapeutic modes. When set to AutoSet
mode, the device self-adjusts the pressure delivered according to the state of the
patient’s airway. In CPAP mode, the device delivers a fixed treatment pressure.
In both modes, pressure delivered is within the range 4 to 20 cm H2O.
Data storage and processing capabilities of the S8 AutoSet Spirit II system
facilitate patient management. The system provides summary data for a variety
of time intervals, which can be viewed via the LCD menus. The patient’s usage
hours, treatment pressure, mask leak, apnoea + hypopnoea index (AHI), apnoea
index (AI) and hypopnoea index (HI) are displayed in the Results section of the
clinical menu. At your discretion, the patient may view mask fit, treatment
pressure and usage hours for the last session. This patient feature is called Smart
Data™.
You can download the data stored in the S8 AutoSet Spirit II and review it in a
PC-based software program. You can download the data directly via cable. You
can also access the data remotely, using a ResScan™ Data Card. A patient’s
therapy and reminder settings can also be updated using the software. Patient
data can be accessed and S8™ device settings updated either via direct cable
connection to the S8 AutoSet Spirit II or remotely, via a Data Card.
User/Owner Responsibility
The user or owner of this system shall have sole responsibility and liability for any
injury to persons or damage to property resulting from:
•operation which is not in accordance with the operating instructions supplied
•maintenance or modifications carried out unless in accordance with
authorised instructions and by authorised persons.
Please read this manual carefully before use.
This manual contains special terms and icons that appear in the margins to draw
your attention to specific and important information.
•Warning alerts you to possible injury.
•Caution explains special measures for the safe and effective use of the
device.
•Note is an informative or helpful note.

2Medical Information
Medical Information
Indications for Use
The S8 AutoSet Spirit II self-adjusting sleep apnoea system is indicated for the
treatment of obstructive sleep apnoea (OSA) in adult patients. The S8 AutoSet
Spirit II self-adjusting sleep apnoea system has two treatment modes: AutoSet
and fixed-pressure CPAP.
The S8 AutoSet Spirit II flow generator is intended for home and hospital use.
Contraindications
The S8 AutoSet Spirit II is not a life support device and may stop operating with
power failure or certain fault conditions. It should not be used by patients who
are dependent on continuous therapy.
Positive airway pressure therapy may be contraindicated in some patients with
the following pre-existing conditions:
•severe bullous lung disease
•pneumothorax
•pathologically low blood pressure
•dehydration
•cerebrospinal fluid leak, recent cranial surgery or trauma.
Warnings
•The entire manual should be read before using the S8 AutoSet Spirit II.
•Advice contained in this manual should not supersede instructions given by
the prescribing physician.
•A patient should not connect a device to the data communication port unless
instructed to do so by their health care provider or physician. Only ResMed
products are designed to be connected to the data communication port.
Connecting other devices could result in injury, or damage to the S8 AutoSet
Spirit II device.
•The S8 AutoSet Spirit II should be used with masks (and connectors*)
recommended by ResMed, or by a physician or respiratory therapist. A mask
should not be used unless the S8 AutoSet Spirit II device is turned on and
operating properly. The vent hole or holes associated with the mask should
never be blocked.
Explanation: The S8 AutoSet Spirit II is intended to be used with special
masks (or connectors*) which have vent holes to allow continuous flow of air
out of the mask.
* Ports may be incorporated in the mask or in connectors that are near the mask.

3Medical Information
When the device is turned on and functioning properly, new air from the
device flushes the exhaled air out through the mask vent holes. However,
when the device is not operating, insufficient fresh air will be provided
through the mask, and the exhaled air may be rebreathed. Rebreathing of
exhaled air for longer than several minutes can, in some circumstances, lead
to suffocation. This applies to most models of CPAP devices.
•In the event of power failure or machine malfunction, remove the mask.
•The S8 AutoSet Spirit II can be set to deliver pressures up to 20 cm H2O. In
the unlikely event of certain fault conditions, pressures up to 30 cm H2O are
possible.
•If oxygen is used with this device, the oxygen flow must be turned off when
the device is not operating. If oxygen has been left on while the device is not
operating, disconnect the oxygen and wait 30 minutes before turning on the
device.
Explanation: When the CPAP device is not in operation and the oxygen flow
is left on, oxygen delivered into the air delivery tubing may accumulate within
the CPAP machine enclosure and create a risk of fire. This applies to most
types of CPAP machines.
•Oxygen supports combustion. Oxygen should not be used while you are
smoking or in the presence of an open flame.
•Always ensure airflow is being generated by the device before the oxygen
supply is turned on.
•Always turn the oxygen supply off before stopping the airflow from the
device.
Note: At a fixed rate of supplemental oxygen flow, the inhaled oxygen
concentration will vary, depending on where the oxygen is introduced, the
pressure settings, patient breathing pattern and leak rate.
•Do not use the S8 AutoSet Spirit II if there are obvious external defects or
unexplained changes in performance.
•Do not open the S8 AutoSet Spirit II case. There are no user serviceable parts
inside. Repairs and internal servicing should only be performed by an
authorised service agent.
•Explosion hazard—do not use in the vicinity of flammable anaesthetics.
Cautions
•At low pressures, the flow through the exhalation ports of your mask may not
clear all exhaled gas from the tubing. Some rebreathing may occur.
•The air flow for breathing produced by this device can be as much as 6ºC
higher than the temperature of the room. Caution should be exercised if the
room temperature is warmer than 32ºC.
Note: The above are general warnings and cautions. Specific warnings, cautions
and notes appear with the relevant instructions in the manual.

4Medical Information
Adverse Effects
Patients should report unusual chest pain, severe headache or increased
breathlessness to their prescribing physician. An acute upper respiratory tract
infection may require temporary discontinuation of treatment.
The following side effects may arise during the course of therapy with the S8
device:
•drying of the nose, mouth or throat
•nosebleed
•bloating
•ear or sinus discomfort
•eye irritation
•skin rashes
•chest discomfort.

5The S8 AutoSet Spirit II System
The S8 AutoSet Spirit II System
A complete S8 AutoSet Spirit II system comprises the following elements:
•S8 AutoSet Spirit II self-adjusting flow generator
•Mask
•Humidifier
•Data management products
•Accessories.
S8 AutoSet Spirit II
The components of the S8 AutoSet Spirit II device are shown in the illustration
sheet at the front of this manual:
•Front view (A-1)
•Rear view (A-2)
•Power cord (A-3)
•Travel bag (A-4)
•2 m air tubing (A-5).
Masks
Patients will also need a ResMed mask system (supplied separately).
The ResMed mask systems that are recommended for use with the S8 AutoSet
Spirit II are:
Nasal Masks
•Mirage Vista™ Nasal Mask
•Ultra Mirage™ II Nasal Mask
•Mirage Activa™ Nasal Mask
•Mirage™ Nasal Mask
•Papillon™.
Nasal Pillows Systems
•Mirage Swift™ Nasal Pillows System
•Mirage Swift™ II Nasal Pillows System.
Full Face Masks
•Mirage Liberty™ Full Face Mask
•Mirage Quattro™ Full Face Mask
•Ultra Mirage™ Full Face Mask.
Note: Not all masks are available in all regions.
!
WARNING
For optimal product performance and data recording, ResMed mask
systems should be used with the S8 AutoSet Spirit II. Please refer to
“Warnings” on page 2.

6The S8 AutoSet Spirit II System
Humidifiers
The S8 AutoSet Spirit II is compatible for use with the HumidAire 3i integrated
heated humidifier (B-1).
See “Using Humidifiers” on page 14.
Data Management Products
The S8 AutoSet Spirit II will have either a ResScan™ Data Card module or a
‘blank’ module attached.
The following data management products may be purchased separately.
•ResScan Data Card (C-1)
•ResScan Data Card module (C-2)
•Serial adapter (C-3)
•USB adapter (C-4) and cable
•ResMed PC software.
Note: Ensure that at least one module or adapter is connected to the
S8 AutoSet II at all times.
Accessories
The other accessories shown on the illustration sheet may also be purchased
separately.
•Front cap (not available in all regions) (C-5)
•Air tubing 3 m (C-6)
•DC-12 converter (C-7)
•Blank module (C-8).

7Operating Information
Operating Information
Principles of Operation
The S8 AutoSet Spirit II system is designed for clinical use and home treatment
of adult patients with obstructive sleep apnoea (OSA). The system has two
therapy modes for treating OSA: CPAP mode and AutoSet mode.
CPAP mode
In CPAP mode, the S8 AutoSet Spirit II device provides fixed-positive-pressure
room air via tubing to the mask worn by your patient. The continuous air stream
“splints” open the upper airway, preventing airway collapse.
The S8 AutoSet Spirit II delivers pressure within the range 4 to 20 cm H2O,
depending on the patency of the upper airway. To make the beginning of
treatment more comfortable, you may set a ramp so the pressure starts low and
gradually increases to full treatment pressure over the ramp time.
Expiratory Pressure Relief
In CPAP mode, you can select expiratory pressure relief (EPR). EPR is designed
to maintain optimal CPAP treatment for the patient during inhalation and reduce
the delivered mask pressure during exhalation. The desired result of EPR is to
decrease the pressure the patient must breathe out against, making the overall
CPAP therapy more comfortable.
The features of EPR are:
•EPR is disabled automatically in the event of an apnoea.
•EPR resumes automatically when the apnoea event has passed.
•You can select an EPR pressure drop of OFF, 1, 2 or 3 cm H2O.
•You can set EPR to be off, delivered only during ramping, or delivered
throughout therapy.
•Pressure drop is limited, to avoid sub-optimal treatment (maximum drop is
3cmH
2O).
•When EPR is enabled, the delivered pressure will not drop below a minimum
pressure of 4 cm H2O, even if, for example, the set pressure is 6 cm H2O
and the EPR setting is 3.
•Either the clinician alone, or both the clinician and the patient can access the
EPR setting. You can enable or disable patient access to the EPR setting.

8Operating Information
The dotted line on the graph illustrates the performance of the S8 AutoSet
Spirit II with EPR set.
AutoSet mode
The treatment pressure required by your patient may vary through the night, and
from night to night, due to changes in sleep state, body position and airway
resistance. In AutoSet mode S8 AutoSet Spirit II provides only that amount of
pressure required to maintain upper airway patency.
You can set the minimum and maximum allowable treatment pressures. The
device analyses the state of the patient’s upper airway on a breath-by-breath
basis and delivers pressure within the allowed range according to the degree of
obstruction. The AutoSet algorithm adjusts treatment pressure as a function of
three parameters: inspiratory flow limitation, snore and apnoea.
The flow sensor, located in the S8 AutoSet Spirit II device, enables detection of
inspiratory flow limitation and apnoeas. The pressure sensor, also located in the
device, enables measurement of pressure and snore.
Inspiratory flow limitation indicates silent partial obstruction. When your
patient is breathing normally, the inspiratory flow measured by the device as a
function of time shows a typically rounded curve for each breath.
EPR a lg o r it h m
-4
-2
0
2
4
6
8
10
12
Time
CPAP TREATMENT EPR TREATMENT
Indicative mask
p
ressure
Fl ow
Flow (l/min)/Pressure (cm H20)

9Operating Information
Figure 1: Inspiratory flow-time curve for an unrestricted airway
As the upper airway begins to collapse, the shape of the inspiratory flow-time
curve changes and the central section flattens.
Figure 2: Inspiratory flow-time curve for a partially obstructed airway
The AutoSet algorithm analyses the shape of the central part of the curve for
each breath. If the inspiratory flow-time curve falls below a certain threshhold,
the pressure is increased.
Inspiratory flow limitation, or partial airway closure, usually precedes snoring and
obstruction. Detection of this flow limitation enables the device to increase the
pressure before obstruction occurs, making treatment pre-emptive. If no further
flow limitation is detected, therapy is reduced towards the minimum pressure
with a 20-minute time constant.
Time
Flow
Open unrestricted airway
Time
Flow
Silent partial airway obstruction

10Operating Information
Flattening is a measure of silent inspiratory airflow limitation. Flow limitation with
loud snoring is handled by the snore detector. When a patient snores, sound is
generated and the inspiratory flow/time curve is distorted by the frequency of the
sound.
Figure 3: Inspiratory flow-time curve affected by snore
The AutoSet algorithm assigns an arbitrary value between 0.0 and 2.0 to the
average amplitude of the snoring detected for the past 5 breaths. A value of 1.0
is equivalent to approximately 75 dBA measured 10 cm from the nares.
Treatment pressure increases by up to 0.2 cm H2O per second (proportional to
the severity of the snore) for snore above 0.2 snore units. When snore is less
than 0.2 snore units, therapy is reduced towards the minimum pressure with a
20-minute time constant.
An apnoea is defined as a greater than 75% decrease in ventilation. The AutoSet
algorithm scores an apnoea if the 2-second moving average ventilation drops
below 25% of the recent time average (time constant 100 seconds) for at least
10 consecutive seconds. Treatment pressure increases based on the duration of
the apnoea. The pressure will not rise above 10 cm H2O when an apnoea is
detected, to prevent an inappropriate response to central apnoeas. Initial
pressure increases are rapid, but the rate of increase diminishes as the pressure
approaches 10 cm H2O. When no further apnoeas are detected, therapy is
reduced towards the minimum pressure with a 20-minute time constant.
A hypopnoea is defined as a 50 to 75% drop in ventilation. A hypopnoea is
scored if the 8-second moving average ventilation drops below 50%, but not
below 25%, of the recent average for 10 consecutive seconds. In order to avoid
falsely responding to central hypopnoeas, the AutoSet algorithm does not
respond to hypopnoeas but rather to the associated snore or flow limitation.
Noisy partial airway obstructionNoisy partial airway obstruction
Time
Flow

11System Setup
System Setup
1Place the S8 AutoSet Spirit II on a table near the head of the patient’s bed.
!
CAUTION
Be careful to place the device where it cannot be bumped, and where no one
will trip over the power cord.
Note: The S8 AutoSet Spirit II device may be placed on the floor beside or
underneath the patient’s bed. Ensure that the area is free from dust and clear of
bedding, clothes, or any other objects that could block the air inlet.
2Connect the AC power cord or ResMed DC-12 converter (not supplied) to the
corresponding socket on the rear of the S8 AutoSet Spirit II (D-1). Plug the other
end of the power cord or adapter cable into the appropriate power outlet.
!
WARNING
•Make sure the power cord and plug or adapter cable are in good
condition and the equipment is not damaged.
•In the clinical environment any personal computer that is used with your
CPAP system must be at least 1.5 m away from, or at least 2.5 m above,
the patient. It must also comply with the relevant test standard. For
personal computers the international standard is IEC 60950 or
equivalent.
3Connect one end of the air tubing firmly onto the air outlet of the device (D-2) and
the other end to the mask system (D-3).
When the S8 AutoSet Spirit II unit is powered up, the Welcome screen is
displayed, followed by the standby (RAMP or SETTLING) screen.
The S8 AutoSet Spirit II system is now ready for use (D-4).
Note: The S8 Autoset Spirit II uses an internal pressure sensor and therefore
does not require calibration by a clinician or patient.
SmartStart
If you enable the SmartStart™ function, the patient’s device will start
automatically when they breathe into their mask, and will stop automatically
when they take the mask off. This means that the patient does not have to press
the Start/Stop key to begin or end treatment. See “Clinical Menu” on page 19.
for details about enabling SmartStart.
Note: A patient must not use SmartStart if they are using a mask with an anti-
asphyxia valve, such as the Mirage Full Face Mask.

12Delivering Therapy
Delivering Therapy
!
WARNING
A mask should not be used unless the S8 AutoSet Spirit II is turned on and
operating properly.
1Ensure the patient settings are correct.
Instruct the patient to lie down in bed, arrange the air tubing and put on the mask
as in steps 1 and 2 in the section “Using the Mask Fitting Feature” on page 13.
!
WARNING
•Do not leave long lengths of air tubing around the top of the bed; they
may twist around the patient's head or neck while they are sleeping.
•Blocking the air inlet or tubing while in operation could lead to
overheating of the device.
2Start therapy in one of two ways:
•If SmartStart is enabled, instruct the patient to breathe out strongly into the
mask. The S8 AutoSet Spirit II device will start automatically.
•If SmartStart is not enabled, press the Start/Stop key to start the airflow. Air
will begin flowing slowly and will build up to full operating pressure in about
15 to 25 seconds.
After starting therapy, the treatment pressure is displayed on the LCD.
Note: The S8 AutoSet Spirit II measures pressure and compensates for air
tubing and mask characteristics. The LCD shows the intended delivery
pressure. If necessary, you can use a water manometer to take a more accurate
reading.
If the patient has difficulty falling asleep with full pressure, select a Ramp (CPAP
mode) or Settling time (AutoSet mode). The airflow will start very gently while
they fall asleep. In CPAP mode, the pressure slowly increases to full operating
pressure over the selected Ramp time. In AutoSet mode, the pressure remains
at Minimum Pressure throughout the Settling time.
3Instruct the patient to put on the mask according to the mask user instructions.
4Adjust the mask and headgear to achieve optimal fit.
5At the end of the ramp/settling period, the LCD will display the word ‘CPAP’ or
‘AUTOSET’.
6Stop therapy in one of two ways:
•Remove the mask, and press the Start/Stop key to stop airflow.
•If SmartStart/Stop is enabled, simply remove the mask and treatment will
stop automatically.

13Delivering Therapy
Using the Mask Fitting Feature
The S8 AutoSet Spirit II mask-fit feature delivers air pressure for a three-minute
period before therapy begins for adjusting mask fit to minimise leak. It is
particularly useful for patients receiving AutoSet mode therapy at home. It
allows them to assess mask fit at typical treatment pressure at the start of the
night, when pressure delivered is normally quite low.
The S8 AutoSet Spirit II system should be set up beside the patient’s bed with
the air tubing and mask system connected. (See “System Setup” on page 11.)
1Instruct the patient to lie down in bed. If desired, place the tubing over the top of
the headboard to reduce drag on the mask.
!
WARNING
Do not leave long lengths of air tubing around the top of the bed; they may
twist around the patient’s head or neck while sleeping.
2Instruct the patient to put the mask on according to the mask user instructions.
3Hold down the Start/Stop key on the control panel (see Figure 4, S8 AutoSet
Spirit II Keypad and LCD, on page 15) for at least 3 seconds until pressure
delivery starts and the following screen appears:
Note: When the device is in AutoSet mode, the mask-fit pressure is the 95th
centile pressure of the previous treatment session, or 10 cm H2O, whichever is
greater. Note that 95th centile pressure is the pressure that has been exceeded
for only 5% of the night. When the device is in CPAP mode, the mask-fit
pressure is the set treatment pressure, or 10 cm H2O, whichever is greater.
4Adjust the mask, cushion and headgear to achieve optimal fit.
MASK FIT: *****
excelnt
mask-fit star rating

14Delivering Therapy
Table 1: Star ratings for the mask-fit and patient Smart Data features
Note: While using the mask-fit feature, the star rating values are indicative of
the instantaneous leak calculated over the last 10 seconds.
Smart Data (designed for the patient) also uses a star rating for mask fit. The
Smart Data star rating values correspond to 70th centile mask leak for the last
session. A five-star rating is displayed, for example, if the leak rate was less
than 0.10 L/s for 70% of the session.
5After three minutes, the pressure will revert to the set pressure and treatment
will begin.
•If you do not wish to wait three minutes, hold down the Start/Stop key for
three seconds and treatment will begin immediately.
•If you press the Start/Stop key briefly (ie, for less than three seconds), the
device will return to standby mode (the RAMP or SETTLING screen is
displayed).
Using Humidifiers
Please refer to the illustrations in section Eof the illustration sheet, and your
HumidAire 3i manual.
The HumidAire 3i humidifier attaches to the front of the S8 AutoSet Spirit II to
provide heated humidification. No other accessories are required for its use.
Notes:
a. Make sure the water chamber of the HumidAire 3i is empty before you attach
or detach the humidifier.
b. Remove the connector plug on the S8 AutoSet Spirit II before you attach the
HumidAire 3i. Reattach the connector plug firmly after you detach the
humidifier.
Storing the HumidAire 3i
Store the HumidAire 3i in its mesh-top pouch in the S8 AutoSet Spirit II travel bag
when not in use.
Star rating Indicative Leak Measure
(L/s) (L/min)
* * * * * (Excellent) 0.00–0.18 0.0–10.8
* * * * _ (Very good) 0.19–0.26 10.9–15.6
* * * _ _ (Good) 0.27–0.34 15.7–20.4
* * _ _ _ (Adjust mask) 0.35–0.41 20.5–24.6
* _ _ _ _ (Adjust mask) 0.42–0.49 24.7–29.9
_ _ _ _ _ (Adjust mask) 0.50 30
≥ ≥
Operating info.fm Page 14 Thursday, July 19, 2007 9:35 AM