ResMed Positive Airway Pressure Device S8 User manual

S8 Lightweight™ II
POSITIVE AIRWAY PRESSURE DEVICE
User 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 Authorized
Representative) 96 Milton Park Abingdon Oxfordshire OX14 4RY UK • ResMed Offices Australia, Austria, Belgium,
Brazil, China, Finland, France, Germany, Greece, Hong Kong, India, Ireland, Italy, Japan, Malaysia, Mexico, Netherlands,
New Zealand, Norway, Portugal, Singapore, South Africa, Spain, Sweden, Switzerland, UK, USA (see www.resmed.com
for contact details).
Protected by patents: US 5199424, US 5522382, US 6705315. Other patents pending.
Protected by design registrations: AU 302180, AU 302181, AU 302182, AU 302183, AU 302184, AU 302185, AU 302186,
CN 200430121212.2, CN 200430121213.7, CN 200430121211.8, CN 200430121214.1, CN 200430121215.6, CN
200430121216.0, CN 200430121217.5, EP 269436, HK 0412901.9, JP 1257662, JP 1257663, JP 1266956, JP 1266957, JP
1267270, JP 1267271, NZ 405614, NZ 406923, NZ 406924, NZ 406925, NZ 406926, NZ 406927, NZ 406928, US
D544598, US D553228, US D557406, US D557407, US D560795, US D561891, US D565160. Others pending.
S8, S8 Lightweight, ResScan, ResControl, ResLink and ResTraxx are trademarks of ResMed Ltd and Lightweight and
HumidAire are registered in U.S. Patent and Trademark Office.
© 2008 ResMed Ltd. 338567/2 08 10

iContents
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Contraindications 1
Adverse Effects 1
The S8 Lightweight II System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Masks 2
Humidifiers 2
ResScan Data Card 2
Using the S8 Lightweight II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Set Up the S8 Lightweight II 3
Start Treatment 4
Stop Treatment 4
How to Use the Control Panel 4
How to Change the Settings on your S8 Lightweight II 6
Using the Data Card to Collect data . . . . . . . . . . . . . . . . . . . . . . . . . 8
Cleaning and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Daily 9
Weekly 9
Monthly 9
Replacing the Air Filter 9
Servicing 10
Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
General Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1Introduction
Introduction
The S8 Lightweight II continuous positive airway pressure (CPAP) system is
indicated for the treatment of obstructive sleep apnoea (OSA) in patients > 30 kg.
The S8 Lightweight II CPAP system is intended for home and hospital use.
Contraindications
The S8 Lightweight II is not a life support device and may stop operating during
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.
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 CPAP
device:
•drying of the nose, mouth, or throat
•nosebleed
•bloating
•ear or sinus discomfort
•eye irritation
•skin rashes.

2
The S8 Lightweight II System
Your S8 Lightweight II comprises:
•S8 Lightweight II positive airway pressure device
•2 m air tubing
•Power cord
•Carry bag.
Optional components include:
•ResScan™ Data Card
•3 m air tubing
•DC-12 converter.
Masks
For information on using masks, see your mask manual. Recommended masks
are available on www.resmed.com on the Products page under Service &
Support.
!
WARNING
Only ResMed mask systems are compatible for use with the S8 Lightweight
II. Please refer to “Adverse Effects” on page 1.
Humidifiers
A list of humidifiers compatible with ResMed devices can be found on
www.resmed.com, on the Products page under Service & Support.
ResScan Data Card
The ResScan Data Card may be used with the S8 Lightweight II either to help
your clinician to monitor your treatment or to provide you with updates to your
device settings.
Carry handle
Screen
Keypad
Air outlet
Data
DC
AC
Card slot
Air inlet

3Using the S8 Lightweight II
Using the S8 Lightweight II
!
WARNING
•Make sure the power cord and plug are in good condition and the
equipment is not damaged.
•Only ResMed air tubing should be used with the device. A different type
of air tubing may alter the pressure you actually receive, reducing the
effectiveness of your treatment.
•Blocking the hose and/or air inlet of the device while in operation could
lead to overheating of the device.
!
CAUTION
•Be careful not to place the device where it can be bumped or where
someone is likely to trip over the power cord.
•If you put the device on the floor, make sure the area is free from dust
and clear of bedding, clothes or other objects that could block the air
inlet.
•Make sure the area around the device is dry and clean.
Set Up the S8 Lightweight II
1Connect the power cord to the socket at the rear of the S8 Lightweight II.
2Plug the other end of the power cord into the power outlet.
3Connect one end of the air tubing firmly onto the air outlet.
4Connect the assembled mask system to the free end of air tubing.
For information on assembling your mask, see your mask manual.
1
2
34

4
Start Treatment
1Make sure the power is on.
The product name is displayed briefly on the LCD screen, then the standby
(Ramp) screen appears. The key and LCD backlights also turn on.
2Lie down and arrange the air tubing so that it is free to move if you turn in your
sleep.
!
CAUTION
Do not leave long lengths of air tubing around the top of your bed. They
could twist around your head or neck while you are sleeping.
3Alter the ramp time if required (see “How to change the ramp time” on page 6).
4To start treatment, press .
5Fit your mask as described in the mask user instructions.
!
WARNING
A mask should not be used unless the S8 Lightweight II device is turned on
and operating properly.
When ramping begins the LCD will display the word “RAMPING“, with the
current pressure indicated as dashes. Each dash is approximately equivalent to
2 cm H2O. For example, 6 dashes represents approximately 12 cm H2O
pressure.
Stop Treatment
To stop treatment at any time, remove your mask and press .
How to Use the Control Panel
The control panel of the S8 Lightweight II includes an LCD screen which displays
the menus and treatment screens as well as a keypad for navigating through the
menus and delivering treatment.
LCD screen
Start/Stop key
Keypad

5Using the S8 Lightweight II
The S8 Lightweight II keypad has the following keys:
The keypad and LCD are equipped with backlights that come on when the device
is powered. The LCD backlight turns off after two minutes of inactivity, and
comes back on when you press a key. The keypad backlight is always on while
the S8 Lightweight II is on.
Key Function
Start/Stop Starts or stops treatment.
Up Allows you to increase settings options and scroll through the
S8 Lightweight II menu.
Down Allows you to decrease settings options and scroll through
the S8 Lightweight II menu.
Left Performs the function indicated by the guiding text displayed
above 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.

6
How to Change the Settings on your S8 Lightweight II
You can change settings (such as Ramp Time) on the S8 Lightweight II by using
the keypad and LCD. When the S8 Lightweight II is in standby mode you can
display a series of screens (a menu) on the LCD screen in order to view and
change the settings for a particular function.
Use the menu screens to change the ramp time and language. You can also view
details about the usage and software version of your S8 Lightweight II.
How to change the ramp time
During ramp time, the pressure increases from a low pressure to the prescribed
treatment pressure. You can set the ramp time in 5-minute intervals, from 0
minutes (OFF) up to a maximum ramp time set by your clinician. The standby
screen displays the current ramp time in the right corner.
1. Press or until the desired ramp time appears.
2. Once a ramp time is selected, begin therapy by pressing .
When ramping begins the LCD will display the word "RAMPING", with the
current pressure indicated as dashes. Each dash is approximately equivalent
to 2 cm H2O. For example, six dashes represents approximately 12 cm H2O
pressure.
How to change the EPR level
EPR can be used to help ease any discomfort you may experience when
breathing out during treatment. If your clinician has allowed access you can
change the EPR level. There are four settings: OFF; 1 (lowest EPR); 2; and 3
(highest EPR).
S8 ESCAPE II
S8 CLASSICRAMP 10min
Menu
S8 CLASSIC
PATIENT MENU
USED HRS: 960
Exit
USAGE: 120/180
Exit
SW: SX123456789
Exit
LANG: ENGLISH
Change Exit
EPR LEVEL: 1
Change Exit
Only displayed if
clinician enabled

7Using the S8 Lightweight II
1. On the standby (RAMP) screen, press .
2. Press until you see EPR LEVEL, then press (Change).
3. Press or until you see the setting that you require.
4. Press (Apply) to save the setting.
How to change the language setting
1. On the standby (Ramp) screen, press (Menu).
2. Press until you see LANG (Language), then press (Change).
3. Press or until you see the language that you require.
4. Press (Apply) to save the new language.
Messages on the S8 Lightweight II LCD
Your clinician may have set your S8 Lightweight II to remind you about important
events, such as when to replace your mask, when to insert your Data Card (if
your device is Data Card enabled) and so on.
The reminder message is displayed on the LCD and is visible if the device is not
delivering therapy. The backlight on the LCD flashes when a message is
displayed.
Your clinician can set any of the following reminders on your LCD:
Message Description Action
INSERT
CARD
May appear if your
device is Data Card
enabled.
Insert your Data Card and follow any
instructions that your clinician has given you.
When you have done this, the message will
disappear from the LCD. Pressing (Ok)
will also remove the message.
REPLACE
MASK
May appear when
your mask is due for
replacement.
Press (Ok) to remove the message from
your LCD, and replace your mask with a new
one.
CALL
PROVIDER
May appear as a
reminder to contact
your clinician, eg, to
discuss how your
therapy is going.
Press (Ok) to remove the message from
your LCD, and contact your clinician.
REPLACE
FILTER
May appear as a
reminder to replace
the air filter on your
device.
Press (Ok) to remove the message from
your LCD, and replace the air filter.
SERVICE
DUE
May appear as a
reminder to return
your device for
service.
Press (Ok) to remove the message from
your LCD, and contact your clinician.

8
Using the Data Card to Collect data
If your clinician needs to review your treatment, they will ask you to use the Data
Card to copy data from your S8 Lightweight II, and to return the card to them. The
Data Card will be provided in a protective folder.
Data that is copied to a Data Card is still stored and available on the S8 Lightweight II.
Copy data onto the Data Card
1. Switch on the S8 Lightweight II and wait until you see the standby (Ramp)
screen.
2. Hold the Data Card with the arrow facing up and insert it into the Data Card slot
until it stops. Data copying starts automatically.
The “Card Inserted Please Wait” message is displayed on the S8 Lightweight II
LCD while data is being copied. Copying takes approximately five seconds.
The “Copy Complete Remove Card” message is displayed on the LCD when
copying has finished.
3. Remove the Data Card by gripping the end of the Data Card and pulling it out.
4. Store the Data Card in its protective folder when not in use.
5. Return the card in its protective folder to your clinician using a postal envelope.
Using the Data Card to Update Settings
If your clinician has provided a Data Card with new device settings:
1. With the device in standby (Ramp) mode, insert the Data Card into the slot on
the Data Card module. Updating will start automatically.
The “Card Inserted Please Wait” message is displayed on the LCD while
updating is in progress. Updating takes approximately five seconds.
The “Settings Success Remove Card” message is displayed on the LCD if the
settings were updated successfully.
Note: This message only appears once. If you re-insert the Data Card after you
have updated your settings, this message is not displayed.
2. Remove the Data Card from the S8 Lightweight II.
3. Store the Data Card in its protective folder when not in use.
!
WARNING
If your clinician has told you to use this Data Card to update the settings on your
device and the “Settings Success” message does not appear, contact your
clinician immediately.
Cleaning and Maintenance
!
WARNING
Beware of electric shock. Do not immerse the unit or power cord in water.
Always unplug the unit before cleaning and be sure it is dry before plugging
back in.