GANSHORN PowerCube-Ergo User manual

GANSHORN Medizin Electronic GmbH Service Manual Ref.No. 03 140 0 046
PowerCube-Ergo-CASE_ENG_rev.02, 23.11.2012 Preface, page 1 of 8
PowerCube-Ergo
Cardiopulmonary function testing
Service Manual
Ref.No. 03 140 0 046, rev.02
Valid for PowerCube-Ergo-SSO / CASE
- ENGLISH -
2004

GANSHORN Medizin Electronic GmbH Service Manual Ref.No. 03 140 0 046
PowerCube-Ergo-CASE_ENG_rev.02, 23.11.2012 Preface, page 2 of 8
Table of Contents
Preface
Chapter 1: Safety Regulations
Chapter 2: System Description
Chapter 3: Disassembly
Chapter 4: Circuit Diagrams and Board Layouts
Chapter 5: Software
Chapter 6: Troubleshooting, Checks and Adjustments
Chapter 7: Spare Parts
Appendix A: Allocation of Ergo-Parameters
Appendix B: Working Procedure AA MTK 70_03 for PowerCube-Ergo-
SSO
Appendix C: Checklist PP MTK 70_03 for PowerCube Ergo-SSO

GANSHORN Medizin Electronic GmbH Service Manual Ref.No. 03 140 0 046
PowerCube-Ergo-CASE_ENG_rev.02, 23.11.2012 Preface, page 3 of 8
Preface
Contact Addresses
Warranty
Copyright
Documentation
Valid for
Related Documents
Copyright
Revision History
General Notes
Update
Intended Use, Documentation Purpose, Target Group, and Safekeeping
System Description
Intended Use
Documentation Purpose
Target Group
Requirements for Installation, Maintenance and Service
Requirements for Maintenance and Service Personnel
Definitions
Danger
Warning
Caution
Action Instructions / Operating Steps
Lists
Cross Reference
Cross Reference to possible LF8 Settings
Keys and Buttons
Equipment Identification
Equipment Symbols
Acronyms

GANSHORN Medizin Electronic GmbH Service Manual Ref.No. 03 140 0 046
PowerCube-Ergo-CASE_ENG_rev.02, 23.11.2012 Preface, page 4 of 8
Preface
Contact addresses Distributed by:
Manufacturer and publisher
Ganshorn Medizin Electronic GmbH
Industriestr. 6-8
97618 Niederlauer
Germany
Tel. [phone]
Fax [phone]
[email protected]
www.ganshorn.de
Warranty
Only original GANSHORN parts may be utilized that have been listed in this documentation and in
complementary documentation and that have been inspected and approved by GANSHORN.
If non-original parts are used in GANSHORN devices, GANSHORN does not guarantee the safe
operation and functioning of its products. In that case, the GANSHORN guarantee expires.
No guarantee claims can be made in the case of damage resulting from utilization of non-original parts in
GANSHORN devices.
GANSHORN regards itself as responsible for its products concerning safety, reliability, precision, and
function only if:
Assembly, installation, expansion, modification, adjustment, changes, and
repairs have been carried out by GANSHORN or authorized GANSHORN
partners
The GANSHORN product has been employed in accordance with the operator
instructions
The GANSHORN product has been employed in accordance with the intended
use.
GANSHORN is liable for the function capability, but not for the absolute lack of defects of its software
programs. GANSHORN is only liable for the function capability of its software that is used with
GANSHORN systems.
GANSHORN does not guarantee the flawless functionality of GANSHORN software programs in
connection with any external software programs, and does not accept liability for malfunctions and/or
their consequences.
For the detailed terms of warranty see your purchase contract or your dealer contract.
Copyright
All rights are reserved and retained by the manufacturer for products, circuits, processes, software
programs, names, trademarks, and patents.
GE Medical Systems Information
Technologies, Inc.
8200 West Tower Avenue
Milwaukee, WI 53223 USA
Tel: [phone]
800.558.5120 (USA)
Fax: [phone]

GANSHORN Medizin Electronic GmbH Service Manual Ref.No. 03 140 0 046
PowerCube-Ergo-CASE_ENG_rev.02, 23.11.2012 Preface, page 5 of 8
Documentation
Ref.No. 03 140 0 046
Valid for.: PowerCube-Ergo-SSO, Ref.No. 03 337 0 210 and 03 337 0 238,
Rev. D and higher
Related documents:
Operating Instruction manual LF8
Operating Instruction manual PowerCube-Ergo
Copyright 2012, GANSHORN Medizin Electronic GmbH
Revision history
The release number changes with every update for this documentation
General Notes
All GANSHORN documents correspond to the state of the underlying safety standards at the time of
printing.
All illustrations in this documentation are provided as examples only. They may not necessarily reflect
your equipment setup or data displayed. All pictured GANSHORN products and screen displays can
deviate, due to technical changes.
All rights, including reprints, copying, and those from translation remain reserved by the publisher.
No part of this documentation may be reproduced in any form whatsoever or copied using electronic
reproduction systems without the publisher’s express written permission.
Update
This documentation is also regularly reviewed. Changes, technical improvements, as well as any
typographical errors are taken into consideration in each following issue.
Technical changes/modifications made on the devices after the issue date are not contained in this
documentation.
Changes/modifications performed on GANSHORN products that affect the hardware and software must
be documented in a Medical Device Book.
The operator must be accordingly trained concerning the changes/modifications. This must subsequently
be documented in the Medical Device Book.
In the case of non-observance, the manufacturer is not liable.
Release date:
Release number:
Comment:
11 February 2009
Release 01/2009
Index a
Initial release
09 March 2009
Release 01/2009
Index b
Preface, modification of front cover
07 October 2009
Rev.01
Change of the release number
Change of the ref. number system
Revision of the English translation
Modifications to REV.D (board layouts chapter 4)
Modifications to Installation Assistant (chapter 5)
Update Appendix B and D
23 November 2012
Rev 02
Update of the rear and front panels of the
PowerCube according to IEC 60601-1 3rd Edition
and review of contents

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PowerCube-Ergo-CASE_ENG_rev.02, 23.11.2012 Preface, page 6 of 8
Intended Use, Documentation Purpose, Target Group and Safekeeping
System Description
The PowerCube-Ergo is a software-driven, cardio-pulmonary exercise system providing breath-by-breath
measurements of flow, oxygen uptake, carbon dioxide production and optional heart rate.
It measures the human response of increasing exercise with emphasis on the gas exchange and
ventilation parameters. The results of the test can be displayed on a PC and can be printed after the test
if a printer is connected to the PC.
Intended Use
The PowerCube-Ergo is intended for medical applications requiring a non-invasive assessment of the
cardiopulmonary response to exercise or measurement of energy expenditure using indirect calorimetry.
The PowerCube-Ergo is intended to be used on adults and adolescent patients.
The PowerCube-Ergo is intended to be used by trained operators under direct supervision of a licensed
health care practitioner, in hospitals, clinics, physician offices and outreach centres.
The PowerCube-Ergo Ergospirometry module is intended for use with a personal computer system to run
the measurement software, but also as part of a cardiopulmonary exercise testing system.
The PowerCube-Ergo, using LF8, is not meant to be used for any purpose other than those named
herein. If it is used for purposes that do not meet its intended use, this is regarded as an unauthorized
utilization!
WARNING INTENDED USE
If LF8 and the PowerCube-Ergo are used for purposes other than their intended
use, a safe operation of LF8 and the PowerCube-Ergo is not possible!
GANSHORN is not responsible for any personal and physical damage that
results from non-intended utilization of LF8 and the PowerCube-Ergo; the
operator is responsible!
Protective measures
Carefully read the documentation available in order to use LF8 and the
PowerCube-Ergo in their intended applications!
Obey all instructions contained in the documentation, especially the safety
regulations and warning notices!
Documentation purpose
The purpose of this manual is to provide all the information necessary to enable the service engineer to
efficiently locate and replace a faulty part or module. For details for the working with the PowerCube-
Ergo please refer to the instruction manuals.
Target group
This documentation is for professional service technicians in health care techniques. These service
technicians are expected to have working knowledge of medical state-of-the-arts, procedures, practices
and terminology as required for completing this examinations. They are also expected to have working
knowledge about working with the PowerCube-Ergo
Requirements for Installation, Maintenance and Service
GANSHORN devices are only allowed to be installed, put into service and maintained in
accordance with the actual regulations and standards.
Medical electronic devices feature special safety requirements concerning electromagnetic
compatibility and have to be installed and put into service according to the EMC-instructions of
the accompanying documents.
Portable and mobile HF-communication devices (e.g. mobile phones, DECT-phones etc.) may
disturb medical electrical devices.
Interference may occur in the vicinity
of equipment marked with
the following symbol:

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PowerCube-Ergo-CASE_ENG_rev.02, 23.11.2012 Preface, page 7 of 8
Requirements for Maintenance and Service Personnel
Installation, initial operation, all changes, modifications, expansions, repairs, maintenance
measures including safety control and metrological/safety control, and any other work on
GANSHORN products may only be performed by GANSHORN or by an authorized GANSHORN
partner.
The enclosures of GANSHORN devices may only be opened by GANSHORN or by an
authorized GANSHORN partner.
If this device is modified appropriate inspection and testing must be conducted to ensure
continued safe use of the device. After each maintenance control or other operation with the
device or the system a metrological control and safety control is necessary. Each metrological
control demands a succeeding safety control.
Definitions
Danger
Indicates an imminent hazard which, if not avoided, will result in death or serious injury
Warning
Indicates a potential hazard or unsafe practice which, if not avoided, could result in death or serious
injury
Caution
Indicates a potential hazard or unsafe practice which, if not avoided, may result in minor personal injury
or product/property damage
Example:
Level of seriousness Kind of hazard
Text………………………………………….
Text………………………………………….
Text………………………………………….
Text………………………………………….
For application instructions and other useful information
INFORMATION
Text…………………………………………..
Text…………………………………………..
Text…………………………………………..
Action Instructions / Operating Steps
► Explanation …………………………………………..
= Consequence / effect…………………………………………..
Lists
Text…………………………………………..
Text…………………………………………..
Cross Reference
Cross references are written as follows:
=> Chap. 1, Safety Regulations

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PowerCube-Ergo-CASE_ENG_rev.02, 23.11.2012 Preface, page 8 of 8
Cross Reference to Possible LF8 Settings
(LF8 screen “system”, see related “Operating instruction manual LF8 –software for pulmonary
function testing”!)
Possible customizing in the LF8-settings is written as follows:
Setup/register-card/register card line number (e.g. setup/general/64)
Keys and Buttons
Framed text indicates keys displayed on the user interface of the software, e.g. Start = software button
labelled with “Start”
Square brackets indicate keyboard keys, e.g. <Alt> = keyboard key labelled with “Alt”
Equipment Identification
Every GANSHORN device has a unique serial number for identification.
The serial number “SN” appears on the device label.
Equipment Symbols
For equipment symbols and their meaning please refer to
=> Instruction Manual PowerCube-Ergo, Preface!
Acronyms
ADC analog to digital converter
ATS American Thoracic Society
cm centimeter
CMOS complementary metal oxide semiconductors
CO2 carbon dioxide
CPU processor unit
ERS European Respiratory Society
HDD hard disc drive
hPa hectopascal
MCU micro controller unit
mmeter
ml millilitre
ms millisecond
kg kilogram
llitre
O2 oxygen
OS operating system
PC personal computer
Press. pressure
PwC PowerCube
RAM main storage
ssecond
Trans. transducer

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Chapter 1: Safety Regulations
Warning Notices
Definitions
Service Relevant Warning Notices
General Warning Notices
Electrical Warning Notices
Hygiene Specific Warning Notices
Product Specific Warning Notices

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Safety Regulations
Warning Notices
Definitions
The terms Danger, Warning, and Caution are used throughout this documentation and related
documents in accordance to ANSI Z535.4 to point out hazards and to designate a degree or level of
seriousness. Familiarize yourself with their definitions and significance. Hazard is defined as a source of
potential injury to a person.
The safety notes presented in this documentation refer to the equipment in general.
The order of the safety statements does not imply order of importance. Please refer also to
=> Instruction Manual PowerCube-Ergo,
Chapter 2, Safety Regulations
Level of seriousness:
Danger indicates an imminent hazard which, if not avoided, will result in death or serious injury
Warning indicates a potential hazard or unsafe practice which, if not avoided, could result in death
or serious injury
Caution indicates a potential hazard or unsafe practice which, if not avoided, may result in minor
personal injury or product/property damage
Service Relevant Warning Notices
DANGER REQUIREMENT FOR SERVICE PERSONEL
Opening the PowerCube-housing as well as all changes, modifications,
extensions, repairs, maintenance measures, and any other work on GANSHORN
products including meteorological / safety checks may only be performed by
GANSHORN or by an authorized GANSHORN partner.
Only qualified service technicians that have been trained on repair and
maintenance of the PowerCube are authorized to perform the procedures
described in this manual!
DANGER DISCONNECT FROM THE MAINS BEFORE ANY REPAIR WORK
Disconnect the PowerCube from the mains before starting any repair work.
If checks and adjustments of the PowerCube-module can only be carried out by
removing the cover AND when connected to the mains, it will be pointed out
especially in the respective description.
When performing these procedures be aware that parts inside the device may be
current-bearing.
CAUTION ELECTROSTATIC DISCHARGE (ESD)
The PowerCube contains electro-static sensitive electronic components;
observe antistatic precautions for any maintenance procedure:
The unit must be placed on an earthed antistatic mat
Service personnel must be earthed and have to wear anti-static
clothing/shoes when handling boards or components
Comply with the international standard IEC 61340-5-1
Always use an antistatic bag when transporting boards or components

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General Warning Notices
WARNING INTENDED USE
If LF8 and the PowerCube-Ergo are used for purposes other than its intended
use, a safe operation of LF8 and the PowerCube-Ergo is not possible!
GANSHORN is not responsible for any personal and physical damage that
results from non-intended utilization of LF8 and the PowerCube-Ergo; the
operator is responsible!
Protective measures
Carefully read the documentation available in order to use LF8 and the
PowerCube-Ergo in their intended applications!
Obey all instructions contained in the documentation, especially the safety
regulations and warning notices!
WARNING ORIGINAL GANSHORN PARTS
Patient safety, operator safety, measurement accuracy within the given
limits and highest possible trouble free running of the GANSHORN device can
only be ensured if GANSHORN parts are used for GANSHORN devices.
So only original GANSHORN parts may be utilized those that have been listed
in this documentation and in supplementary documentation and that have been
inspected and approved by GANSHORN.
If non-original parts are used in GANSHORN products, GANSHORN does not
guarantee the safe operation and functioning of its products.
DANGER AMBIENT CONDITIONS
The ambient conditions described in the “technical specifications” for storage
and operation have to be maintained.
The GANSHORN device is not designed to be operated in explosion hazardous
areas of medically used rooms. Explosion hazardous areas are formed when
combustible anaesthesia products, skin cleansing, and skin disinfection products
are used. Furthermore, the GANSHORN device is not designed for operation in
a combustible atmosphere. Enriching the ambient air with more than 25%
oxygen or nitrous oxide creates a combustible atmosphere.
The GANSHORN device including the power supply is only licensed for being
used in rooms designated for medical purposes.
WARNING DEVICE LOCATION
The GANSHORN device must be placed in a location where its correct
functioning is not hindered. Avoid locations with thermal influences e.g. from
direct insulation, heaters and air-conditioning. Prevent the device from drafts.
The GANSHORN device must be placed in a location where the devices plugs
and switches, on the front and back, are easily accessible without any problems,
therefore not hindering the functionality.
CAUTION OVERHEATING
Devices can overheat and be damaged!
Do not obstruct the device’s air ventilation needed for cooling!

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DANGER INSTALLATION, UNINSTALLING
All components of the GANSHORN device have to be switched off and
disconnected from the mains for assembling and installation, as well as for
uninstalling and disassembling.
Installation and initial operation and any other work on GANSHORN products
including meteorological / safety control may only be performed by GANSHORN
or by an authorized GANSHORN partner.
DANGER MODIFICATIONS, MAINTENANCE AND SERVICE
If the GANSHORN device is modified, appropriate inspection and testing must
be conducted to ensure continued safe use of the device.
After each maintenance check or other operation with the device or the system a
metrological and safety check is necessary. Each metrological check demands a
succeeding safety check.
All changes, modifications, extensions, repairs, maintenance measures, and any
other work on GANSHORN devices including meteorological / safety checks may
only be performed by GANSHORN or by an authorized GANSHORN partner.
Already changing the power supply is mentioned as a modification.
CAUTION DANGER OF INJURY - INSTALLATION
Wear protective gloves and safety shoes for installation and transport!
In order to ensure maximum protection during transport, all GANSHORN devices
are packed at the factory in suitable cartons and/or boxes with sufficient internal
packing. Please observe the graphical symbols and the instructions on the
packaging.
CAUTION DATA SAFETY
In the case of a computer defect, the patient data, incl. measurement results,
can go lost irrevocably!
Backup archives regularly to an external storage media (ZIP-drive, streamer,
CD-ROM, recording system, etc.)!
=> Instruction manual Software LF8,
Chap. 4 Data Management!
WARNING GAS MIXTURE CHECK
Before using the gas mixture, the values of the individual gas components have
to be checked with regard to the requirements of the measurement to be
performed
WARNING PRESSURIZED GAS BOTTLES
Improper handling of gas bottles creates a potential danger for people and
objects! The relevant regulations are to be observed!
Secure the bottles, especially to avoid accidents!
The content and filling condition must be clearly recognizable at all times!
Gas bottle seals, connections and lines must be free of oil and grease!
Have the gas bottle regularly inspected by an official inspection agency!
The operator is liable! We recommend rented gas bottles.
Close the main cock whenever the gas bottle is not in use!

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Electrical Warning Notices
WARNING MAIN POWER SUPPLY
Utilize only the original, supplied mains power supply!
Using non-approved power supplies can be fatal!
WARNING MULTIPLE SOCKETS
Infiltration of liquid and mechanical damage is possible!
Do not lay moveable multiple outlets on the floor!
Do not use extension cords together with multiple sockets!
Danger of life through electrical shock!
If the GANSHORN device is used as a part of a system, it is not permitted to add
other multiple sockets or extension cords to the system.
If the GANSHORN device is used as a part of the system, the highest licensed
charge is 1.000 W.
It is not permitted to use the multiple sockets provided with the system to
connect devices not being defined as parts of this system.
To avoid any danger for patient and operator it is not permitted, to connect any
electrical device that is not being a part of this system to the system’s multiple
sockets.
WARNING ELECTRIC CIRCUIT / WALL SOCKET
All system devices must be connected to the same electrical circuit, otherwise
the electrical safety of the system is not-existent!
Devices, which are not connected to the same electrical circuit, must be
operated using galvanic separation (use a galvanic separated RS232 interface
or separate insulation transformer)!
To avoid all dangerous body currents, all parts of the system have to be plugged
in via an insulation transformer (galvanic system separation device).
It is not permitted to connect parts of a device directly to a wall socket.
WARNING LAN
It is the operator’s duty, to observe all official and safety regulations if a PC-
system becomes integrated into an intranet.
WARNING ELECTROMAGNETIC COMPATIBILITY
Medical electrical equipment needs special safety requirements concerning
electromagnetic compatibility and has to be installed and put into service
according to the EMC-instructions of the accompanying documents
Portable and mobile HF-communication devices (e.g. mobile phones, DECT-
phones etc.) may disturb medical electrical devices.
The manufacturer’s declaration concerning electromagnetic compatibility
has to be taken into account.
WARNING INSTALLATION (EMC)
Warning about the installation
The equipment/system should not be used adjacent to or stacked with other
equipment, and that if adjacent or stacked use is necessary, the
equipment/system should be observed to verify normal operation in the
arrangement

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WARNING ELECTROMAGNETIC COMPATIBILITY –SPARE PARTS
It is not permitted to use any spare part for the GANSHORN device that has not
been inspected and approved by GANSHORN.
The use of accessories, transducers and wirings that are not mentioned in this
documentation or accompanying documents, with exception of transducers and
wiring available from GANSHORN as spare parts for internal components, may
cause higher emission or lower resistance to jamming of the device or system.
WARNING ELECTRIC SAFETY - CONNECTIONS
If a GANSHORN device has not been delivered as system, but combined to a
system by a GANSHORN partner or the operator, they are considered as
producer of the system and responsible for safety and complying with all applied
standards.
If a GANSHORN device is delivered as a system, it is prohibited to connect
other devices that have not been defined as part of the system to the respective
system.
If the device and/or device data and/or device purpose change due to upgrade,
reconstruction, repair, all labels and documents have to be updated accordingly.
In any case the IEC 601-1-1/EN 60601-1-1 standard must be met.
WARNING USE AS PART OF ECG-SYSTEMS
If a GANSHORN device has not been delivered as system, but combined to a
system by the GANSHORN-partner or the operator, they are considered as
producer of the system and responsible for security and meeting all applied
standards.
Danger through electric shock, especially through missing equipment grounding!
The insulation of the patient can be bridged by conducting components, thus
cancelling the protective effect of the isolated inputs.
Pay special attention to ECG systems that all conductive parts (patient, plug,
electrodes and transducer) that are connected to the patient input do not touch
any other, grounded, conducting components!
Contact of neutral electrodes to ground potential is especially to be prevented

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Hygiene Specific Warning Notices
DANGER INSUFFICIENT HYGIENE –PATIENT AND PERSONNEL
Insufficient hygiene endangers the patient and personnel!
Precautionary measures
Clean and disinfect all contaminated parts completely before examining the next
patient!
Use single use disposables for best possible hygiene.
Patients suspected of having tuberculosis or similar diseases should especially
only be measured using single use disposables.
DANGER INSUFFICIENT HYGIENE –EXECUTION OF MEASURES
The efficiency of all cleaning measures depends on selecting suitable methods
and carefully execution!
Precautionary measures
Be familiar with the state-of-the-art in infection control in pulmonary function
testing and valid norms, rules, and recommendations for hospital hygiene and
prevention of infection.
Read the hygiene instructions of these instruction manual and related
documents thoroughly and comply with the detailed instructions given in these
documentations
=> Instruction Manual PowerCube-Ergo,
Chapter 8, Hygiene
DANGER HYGIENE –ELECTRONIC PARTS
Never clean electronic devices like the PowerCube module by submerging it in
water or liquid solution. Prevent liquid from penetrating the device housing.
Protect the device from penetrating liquid.
WARNING HYGIENE –DESINFECTION MEDIA
Use only cleaning and disinfection media and methods tested and released for
use by GANSHORN.
Observe the cleaning and disinfection media user manual, especially the
recommendations concerning area of application, stated concentrations, and
required reaction time. Observe also the instructions concerning storage and the
necessary protective measures when handling the media.
Incorrectly applied disinfection media, especially in wrong concentrations or
combinations with other products, can be ineffective or damage the material and
cause discoloration, material fatigue, cracks, broken parts or other damage.

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Chapter 2: System description
Component Description PowerCube-Ergo
Description of Elements, Indicators and Connections of the PowerCube-Ergo
Functional Block Diagram
Tubing Block Diagram

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Component Description PowerCube-Ergo
The configuration of an ergospirometry system depends on the individual components, e.g.:
Description
Function
PowerCube-Ergo
Measurement module containing e.g. pressure
transducers, gas analyzers, gas suction pump, ambient
pressure sensor
Plug-in Power-supply
(see technical data)
RS232 connection
(Optoisolator or RS232 connection cable in
some configurations)
Optoisolator, RS 232 connection for data transfer between
PowerCube and PC, including 4.000 V isolation
Pressure reducer
For calibration gas supply
(technical specifications see customer information
“Measurement and calibration gas”)
Tubing with pneumotach, face mask, mouth-
pieces etc.
Patient side accessories
PC-System
(technical specification see instruction manual)
ECG / pulse belt
Provides heart rate, necessary for the calculation of some
ergospirometry parameters
Electrode application unit
Accessories for ECG
Ergometer / treadmill
Provides controlled workload for individual test protocols

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Description of Elements, Indicators and Connections of the PowerCube-Ergo
Pict.: PowerCube-Ergo with SSO, front
Pos.
Description
Function
A
Housing
B
Front panel
C
Gas calibration socket
Connection for the gas alimentation during the gas
calibration (Ergo Calibration)
Red: PowerCube-SN A1, B1
1
POWER
Power indicator
PowerCube switched on = indicator on the front lights up
A
C
B
1

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Pict. PowerCube-Ergo SSO-Sensor: tubing, rear
Pict.: PowerCube-Ergo SSO-Sensor: connections, rear
Pos.
Description
Function
1
Flow –(blue)
Socket for patient tubing from the pneumotach, patient side
2
Flow + (white)
Socket for patient tubing from the pneumotach, device side
3
M-Gas-IN (red)
Socket for patient tubing from gas analysis / gas drying
tube
4
Cal-Gas-IN (yellow)
Socket for calibration gas connection tube (yellow) from the
manometer of the calibration gas bottle
5
Cal-Gas-OUT (green)
Calibration gas output –has to remain open!
6
Out
Exhaust, connection for the sound absorber
A
Power
Main power switch
B
Puls
Not used
C
SpO2
Socket for the connection of the Pulse Oximetry unit
D
ROS02
Not used
E
RS232
Optoisolator, RS 232 connection for data transfer between
PowerCube and PC
F
DC-IN
Plug in power supply
G
Temp.
Plug for temperature sensor
(remains on the device after the initial installation)
Diff Flow +, Diff Flow –, PM
(Not used)
5
4
6
1
2
3
B
G
D
C
A
F
E
= Off: power indicator on the front goes out
= On: power indicator on the front lights up