COSMED Srl K4B2R-USA TELEMETRY UNIT User Manual User man K4B2 en
COSMED Srl TELEMETRY UNIT User man K4B2 en
Contents
- 1. Users Manual I
- 2. Users Manual II
- 3. Users Manual III
- 4. Users Manual IV
Users Manual I
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| Document ID | 569365 |
| Application ID | 4fGSbZWCfNDFzPd9S9Yk9g== |
| Document Description | Users Manual I |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 104.92kB (1311539 bits) |
| Date Submitted | 2005-08-08 00:00:00 |
| Date Available | 2005-08-08 00:00:00 |
| Creation Date | 2005-05-23 16:35:59 |
| Producing Software | Acrobat PDFWriter4.0 per Windows |
| Document Lastmod | 2005-08-08 15:56:36 |
| Document Title | User_man_K4B2_en.PDF |
| Document Creator | Microsoft Word |
| Document Author: | andread |
Cosmed does not assume the liability for interpretation mistakes of this documentation or for casual or consequential damages in connection with the provision, representation or use of this documentation. No parts of this manual may be reproduced or transmitted in any form without the express permission of COSMED Srl. COSMED Software can be installed only in one device. Excel is a registered trademark of Microsoft Corporation. DBIII is a registered trademark of Bordland International Inc. Lotus 123 is a registered trademark of Lotus Development Corporation . K4 b2 User manual, XII Edition 01/2005 Copyright © 1998 COSMED Copyright © 2003 COSMED COSMED Srl - Italy http://www.cosmed.it Part N. C01508-02-91 Table of contents Getting started 13 Important notices ........................................................................... 14 Intended use..............................................................................14 Warnings...................................................................................14 Contraindication ............................................................................. 16 Contraindications for the Spirometer tests................................16 Absolute contraindications .............................................16 Relative contraindications ..............................................16 Contraindications for Bronchial provocation tests ...................16 Absolute contraindications .............................................16 Relative contraindications ..............................................16 Contraindications for Exercise testing......................................16 Environmental condition of use...................................................... 17 Safety and conformity..................................................................... 18 Safety..............................................................................18 EMC ...............................................................................18 Telemetry .......................................................................18 Quality Assurance ..........................................................18 Medical Device Directive (CE mark).............................18 FCC (only USA version)................................................18 Keynotes ......................................................................................... 19 Typographic keynotes...............................................................19 Graphic keynotes ......................................................................19 System overview ............................................................................. 20 Portable Unit (PU) ....................................................................20 Telemetry Data Transmission, Receiver Unit (RU) .................20 Battery Charger Unit (CU) .......................................................20 Flowmeter.................................................................................21 Gas analysers ............................................................................21 PC Software..............................................................................21 Before starting................................................................................ 22 Checking the packing contents .................................................22 K4 b2 standard packaging...............................................22 Warranty registration..................................................................... 23 Register the product via software...................................23 How to contact COSMED..............................................23 Complain, feedback and suggestions .............................23 Options/Accessories ....................................................................... 24 Accessories ...............................................................................24 Options......................................................................................24 Telemetry data transmission...........................................24 Spirometry Kit................................................................24 2 - K4 b User Manual PC configuration required...............................................................25 Technical features ...........................................................................26 Portable Unit ..................................................................26 Receiver Unit .................................................................26 Battery charger Unit .......................................................26 Flowmeter ......................................................................26 Oxygen Sensor (O2) .......................................................26 Carbon Dioxide Sensor (CO2) ........................................26 Humidity absorber..........................................................26 Power Supply .................................................................26 Environmental Sensors...................................................26 Measurements 27 Pulmonary function tests and measured parameters ....................28 Breath by Breath exercise testing .............................................28 Indirect Calorimetry .................................................................28 Lactate Threshold (V-Slope) ....................................................28 O2 Kinetics...............................................................................29 Spirometry Tests (option).........................................................29 FVC - Forced Vital Capacity .........................................29 VC/IVC - Slow Vital Capacity and Ventilatory pattern.29 MVV - Maximum Voluntary Ventilation ......................30 Bronchoprovocation Response.......................................30 Installation 31 Installation sequence......................................................................32 Battery Charger Unit ................................................................32 Check voltage.................................................................32 Turn the Unit on .............................................................32 Charge the batteries........................................................32 Battery low .....................................................................33 Portable Unit.............................................................................33 Warm up.........................................................................34 Warming-up the unit by main power .............................34 Turning on/off the portable unit .....................................34 Connect the rechargeable battery ...................................34 Receiver Unit............................................................................35 Turning on/off the receiver unit .....................................35 Receiver unit power supply............................................35 Calibration Gas Cylinder..........................................................35 Connecting the K4 b2 to the patient................................................36 Assemble the mask and the flowmeter .....................................36 Using the "Ultimate Seal".........................................................36 Apply the seal to the mask .............................................37 To remove seal on mask.................................................37 Assembling the flowmeter for spirometry tests........................37 Index - 3 Fixing the K4 b2 to the patient..................................................38 Connecting the K4 b2 to the PC....................................................... 39 Connect the Portable Unit to the PC.........................................39 Connect the Receiver Unit to the PC........................................39 Software installation ...................................................................... 40 Installing the software...............................................................40 Run the software .......................................................................40 PC port configuration ...............................................................40 Software main features .................................................................. 41 Display......................................................................................41 Tool bar.....................................................................................41 Show/hide the toolbar.....................................................41 Dialog windows ........................................................................41 Use of the keyboard........................................................41 Use of the mouse ............................................................41 Scroll bars .................................................................................41 On line help ..............................................................................41 Software version .......................................................................41 Calibration 43 Gas calibration procedures ............................................................ 44 Running the Calibration program .............................................44 Log file .....................................................................................44 Setting reference values............................................................44 Set the reference values using the PC software..............44 Set the reference values using the Portable Unit ............45 Room air calibration .................................................................45 Room air calibration using the PC software...................45 Room air calibration using the Portable Unit .................45 Reference gas calibration..........................................................45 The calibration unit ........................................................46 Reference gas calibration using the PC software ...........46 Reference gas calibration using the Portable Unit..........46 Gas delay calibration ................................................................47 Delay calibration using the PC software ........................47 Delay calibration using the Portable Unit ......................47 Print the calibration report ........................................................48 Edit the calibration factors........................................................48 Turbine calibration ......................................................................... 49 Assembling the flowmeter for calibration.....................49 Calibrating the turbine ..............................................................49 Turbine calibration using the PC software .....................49 Turbine calibration using the Portable Unit ...................50 Checking the system signals .......................................................... 51 The control panel ......................................................................51 Using the control panel...................................................51 4 - K4 b User Manual Operating modes 53 K4 b Operating modes ..................................................................54 Holter Data Recorder................................................................54 Telemetry Data Transmission (option).....................................54 Serial (Laboratory) Station .......................................................54 Portable Unit User Interface diagram ............................................55 Holter Data Recorder Mode ............................................................56 Operating sequence ..................................................................56 Warming-up the system .................................................56 Enter new patient............................................................56 Calibrate and start the test ..............................................56 Stop the test ....................................................................57 Transferring test to PC ...................................................57 Telemetry Data Transmission Mode ...............................................58 Operating sequence ..................................................................58 Warming-up the system .................................................58 Connect the receiver unit to the PC................................58 Enable transmission .......................................................58 Enter new patient............................................................58 Enable reception on PC..................................................59 Calibrate and start the test ..............................................59 Stop the test ....................................................................60 Transferring test to PC ...................................................60 Serial Mode .....................................................................................61 Operating sequence ..................................................................61 Warming-up the system .................................................61 Connect the Portable unit to the PC ...............................61 Calibrate the system .......................................................61 Enter patient data............................................................61 Start the test....................................................................62 Stop the test ....................................................................62 Database Management 63 Exercise testing patient's database.................................................64 Enter a new patient ...................................................................64 Find a patient ............................................................................64 Edit patient data........................................................................64 Delete a patient .........................................................................64 Uploading tests from the Portable Unit..........................................65 Archive maintenance ......................................................................66 Reorganise the archive .............................................................66 Delete the archive .....................................................................66 Delete a test ..............................................................................66 Backup and restore ...................................................................66 Backup............................................................................66 Restore............................................................................66 Index - 5 Spirometry patient's database ....................................................... 67 Patient Card ....................................................................67 Visit Card .......................................................................67 Test Card ........................................................................68 Import/export a Tests card ........................................................68 Diagnosis Database...................................................................68 Spirometry program settings ......................................................... 69 Graphs ............................................................................69 Serial port .......................................................................69 Units of measurements ...................................................69 Using extra fields............................................................69 Customise the fields .......................................................69 Exercise testing 71 Recommendations for the exercise testing .................................... 72 The evaluation of the cardiorespiratory function......................72 Precautions................................................................................72 Laboratory ......................................................................72 Ending the test................................................................72 Preparing the patient.................................................................72 Before testing .................................................................72 Patient assent ..................................................................73 Ending the test................................................................73 Real time test .................................................................................. 74 Start a test .......................................................................74 Abort the test without saving data ..................................74 End the test saving data ..................................................74 View data in real-time ..............................................................74 View graphs in real-time ................................................74 Parameters to view....................................................................74 Manual protocol........................................................................75 Enter Load and Phase .....................................................75 Set the markers ...............................................................75 Automatic protocol ...................................................................75 Modify the load during the test ......................................75 Set the BPM alarm....................................................................75 Enter the BPM................................................................75 Data management ......................................................................... 76 Viewing data.............................................................................76 View data in table form ..................................................76 Creating graphs.........................................................................76 View data in graph form.................................................76 Customise the graphs......................................................77 Switch from graph to data and vice versa ......................77 Viewing predicted values .........................................................78 View predicted values ....................................................78 6 - K4 b User Manual Anaerobic (Lactate) Threshold detection .................................78 View the Lactate Threshold ...........................................78 Detect the Lactate Threshold..........................................78 Customise graphs for the LT viewing ............................78 Fittings......................................................................................79 Fit a graph with a linear regression ................................79 Fit a graph with a Mono-exponential regression............79 Calculate the "Mean Value" ...........................................80 Oxygen Kinetic.........................................................................80 Run the O2 Kinetic function ..........................................80 Information about the Test .......................................................81 View the Information .....................................................81 Modify the information ..................................................81 Summary...................................................................................81 View the summary .........................................................81 Print the data.............................................................................81 Print the current window................................................82 Print the report................................................................82 View the report .........................................................................82 Data Editing ....................................................................................83 Editing values and input numerical values.....................83 Data filtering ..................................................................83 Using the User fields......................................................84 Deleting steps .................................................................84 Advanced Editing...........................................................84 Restore the original test..................................................85 Overwrite the original test..............................................85 Customise the desktop..............................................................85 Customise the display colours........................................85 Smart edit..................................................................................85 Apply the graphical noise suppression...........................85 Apply the threshold noise suppression...........................85 Customise the parameters.........................................................86 Create a new parameter..................................................86 Create a new predicted parameter ...................................86 Exporting data ..........................................................................87 Export a test....................................................................87 DDE with Excel .............................................................87 Creating Test Protocols ...................................................................88 Create a new protocol.....................................................88 Software configuration ...................................................................89 Data viewing.............................................................................89 Select the parameters to view.........................................89 Select the parameters to view during the test.................89 Sort the parameters.........................................................89 Steady State ..............................................................................89 Index - 7 Customise the Steady State detection criteria ................89 Printout reports .............................................................................. 90 Set up the printout ..........................................................90 Select parameters to be printed.......................................90 Customise the printout header........................................90 Electronic reports (*.pdf) ...............................................91 Print the current window ..........................................................91 Print the customised report .......................................................91 Events management during exercise testing ................................. 92 Flow Volume loops...................................................................92 Flow Volume loop during the test..................................92 O2, CO2 vs Time......................................................................92 O2, CO2 vs Time during the test....................................92 O2 Saturation (optional) ...........................................................93 O2 Saturation during the test..........................................93 Spirogram .................................................................................93 Spirogram during the test ...............................................93 View the events after the test....................................................93 Raw data ...................................................................................93 Save Raw data ................................................................94 Resting Metabolic Rate Test 95 Metabolism ..................................................................................... 96 Total Metabolic Rate ................................................................96 Resting Metabolic Rate (RMR) ................................................96 Importance to measure RMR....................................................96 Measure of the rest metabolic rate with indirect calorimetry ...96 How to perform a RMR test .....................................................96 Recommendations .......................................................................... 97 Resting metabolic rate test using the face mask .......................97 Resting metabolic rate test using the canopy option.................97 Performing a test using the face mask .......................................... 98 Calibrations...............................................................................98 How to prepare a patient...........................................................98 Start the test ..............................................................................98 Viewing the test ........................................................................99 How to modify the average interval .......................................100 Print ........................................................................................100 Performing a test using the canopy option .................................. 102 Calibrations.............................................................................102 How to prepare the canopy and the patient.............................102 Replacement of the power plug....................................102 Connecting the Canopy ................................................102 How to prepare the patient ...........................................103 Performing the test..................................................................103 Viewing the test ......................................................................104 8 - K4 b User Manual How to modify the average interval .......................................104 Print ........................................................................................104 Sub-maximal Exercise Testing 105 Introduction...................................................................................106 Pre-test screening....................................................................106 Sub-maximal exercise testing.......................................................107 Considerations with sub-maximal exercise testing.................107 Staffing ...................................................................................108 Test termination......................................................................108 Considerations for accuracy ..........................................................109 Performing the test .......................................................................110 An example of testing protocol ..............................................110 Spirometry 111 Setting spirometry options............................................................112 Spirometry ..............................................................................112 Automatic Interpretation ..............................................112 Quality control .............................................................112 Parameters manager................................................................113 Predicted values manager .......................................................113 Predicteds set................................................................113 Set the current predicted...............................................114 Formula definition........................................................114 Page set-up..............................................................................115 Spirometry tests ............................................................................116 Forced Vital Capacity (pre)............................................................117 Recommendations ..................................................................117 Perform a FVC (pre) test ........................................................117 Test encouragement................................................................117 Perform the FVC test with the encouragement ............118 Slow Vital Capacity........................................................................119 Perform a SVC test.................................................................119 Maximum Voluntary Ventilation...................................................120 Perform a MVV test ...............................................................120 Bronchial Provocation Test ...........................................................121 Bronchodilator test .................................................................121 Methacholine and Histamine Bronchial provocation Tests....121 Perform the test.......................................................................122 Bronchial Provocation protocols Database.............................122 Enter a new Bronchial provocation protocol in the archive ..........................................................................122 Viewing results..............................................................................123 Tests of the current patient...........................................123 Delete a test ..................................................................123 Printing results..............................................................................124 Printing Reports......................................................................124 Index - 9 Printing the active window .....................................................124 To print the active window...........................................124 Printing a series of reports ......................................................124 Electronic reports (*.pdf)........................................................124 Export data..............................................................................125 Export a test..................................................................125 External devices 127 GPS ............................................................................................... 128 GPS initialisation ....................................................................128 Initialize the GPS..........................................................128 Fixing the antenna to the subject.............................................128 Operating sequence.................................................................129 Run a test with GPS......................................................129 Monitoring GPS parameters in real time......................130 Pulse Oximeter (option)................................................................ 131 Operating Sequence................................................................131 System maintenance 133 System maintenance..................................................................... 134 Cleaning and disinfection .......................................................134 Preparing the disinfecting solution...............................134 Cleaning the turbine flowmeter ....................................135 Precautions during the cleaning of the turbine .............135 Suggested disinfection solutions ..................................135 Masks cleaning and disinfection.............................................135 Disassembling the different parts of the mask .............135 Cleaning the mask ........................................................135 Disinfecting the mask...................................................136 Permapure maintenance..........................................................136 Inspections ..............................................................................136 Replace the fuses ....................................................................136 Appendix 139 Service - Warranty........................................................................ 140 Warranty and limitation of liability ........................................140 Return goods policy for warranty or non warranty repair ......140 Repair Service Policy .............................................................141 Privacy Information ...................................................................... 142 Personal data treatment and purposes.....................................142 How your personal data are treated ........................................142 The consent is optional, but… ................................................142 Holder of the treatment...........................................................142 Customer rights.......................................................................142 Converting factors configuration.................................................. 143 Calculations references ................................................................ 144 10 - K4 b User Manual VO2 and VCO2 ........................................................................144 Anaerobic threshold (modified V-Slope) ...............................144 O2 kinetics ..............................................................................144 ATS 94 recommendations .............................................................145 ATS recommendations ...........................................................145 Predicted values............................................................................146 Automatic diagnosis (algorithm) ............................................147 Quality Control Messages ......................................................147 References.....................................................................................149 Gas Exchange References ............................................149 Indirect calorimetry......................................................149 Spirometry....................................................................149 Sub-maximal testing.....................................................149 Index - 11 2 12 - K4 b User Manual Getting started Important notices Intended use The measurement of oxygen uptake during sport or real life activities is of great interest for the development of training programs and the study of their effects on elite athletes or for assessing the efficacy of a rehabilitation therapy. A common method for assessing the effects of endurance training is the monitoring of various respiratory parameters during submaximal exercise. One difficulty to achieve this goal during sport that cannot be simulated in the laboratory is to use a reliable and valid portable system to measure VO2 and VCO2 in a field setting. Such a portable apparatus may also be useful to determine the energy cost of many sport and real life activities. K4 b2 is an electrical medical device designed to perform pulmonary function tests. It is to be used by physicians or by trained personnel on a physician responsibility. Caution: Federal law restricts this device to sale by or on the order of a physician. This equipment has been conceived with the aim of providing an auxiliary instrument allowing: • the formulation of lung pathology diagnosis; • important studies concerning human physiology; • the collection of important information in sport medicine. No responsibility attaches COSMED Srl for any accident happened after a wrong use of the device, such as: • use by non qualified people; • non respect of the device intended use; • non respect of the hereunder reported precautions and instructions. Warnings The device, the programme algorithms and the presentation of measured data have been developed according to the specifications of ATS (American Thoracic Society) and ERS (European Respiratory Society). Other international references have been followed when these were not available. All bibliography references are reported in Appendix. The present handbook has been developed with respect of the European Medical Device Directive requirements which sort K4 b2 within Class II a. It is recommended to read carefully the following precautions before putting the device into operation. The precautions reported below are of fundamental importance to assure the safety of all COSMED equipment users. 1. This user manual is to be considered as a part of the medical device and should always be kept on hand. 2. Safety, measure accuracy and precision can be assured only: • using the accessories described in the manual or given with the device. Actually non recommended accessories can affect safety unfavourable. Before using non recommended accessories it is necessary to get in touch with the manufacturer; • ordinary equipment maintenance, inspections, disinfection and cleaning are performed in the way and with the frequency described; • any modification or fixing is carried out by qualified personnel; • the environmental conditions and the electrical plants where the device operates are in compliance with the specifications of the manual and the present regulations concerning electrical plants. In particular grounding reliability and leakage current suppression can only be assured when the device three – wire receptacle is connected to a yellow - green return connected to earth ground. Attempting to defeat the proper connection of the ground wire is dangerous for users and equipment. 14 - K4 b User Manual 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Before powering the system, check the power cables and the plugs. Damaged electrical parts must be replaced immediately by authorised personnel. Large gas cylinders, which may be given by the manufacturer or purchased by the customer, should be secured with cylinder safety chains or safety stands. When removing the protective cap, inspect the cylinder valve for damaged threads, dirt, oil or grease. Remove any dust or dirt with a clean cloth. If oil or grease is present on the valve of a cylinder which contains oxygen, do not attempt to use. Such combustible substances in contact with oxygen are explosive. Be certain that the materials of the pressure regulators are chemically compatible with the intended gas service before installation. Inspect the regulator for the proper connection and note the ranges of the pressure gauges. Also examine the physical condition of the regulator including threads and fittings. Remove any dust or dirt from the regulator or cylinder valve with a clean cloth. Do not install a regulator on a cylinder valve containing oxygen if grease or oil is present on either. Such substances in contact with oxygen are explosive. Cleaning residue, particulates, and other contaminates (including pieces of torn or broken components) in the breathing circuit pose a safety risk to the patient during testing procedures. Aspiration of contaminates can potentially be life-threatening. Use disposable anti-bacterial filters or disinfect each part in contact with the patient before each test. You must follow all the cleaning procedures in System Maintenance, and you must thoroughly inspect the components after cleaning and before each patient test. This device is not suitable for use in presence of flammable anaesthetics. It is not an AP nor an APG device (according to the EN 60 601-1 definitions). Keep the device away from heat and flame source, flammable or inflammable liquids or gases and explosive atmospheres. In accordance with their intended use K4 b2 is not to be handled together with other medical devices unless it is clearly declared by the manufacturer itself. It is recommended to use a computer with electromagnetic compatibility CE marking and with low radiation emission displays. It is necessary to make the PC, connected to the K4 b2, compliant with EN 60601-1 by means of an isolation transformer. Graphical symbols used in accordance to present specifications are described here below: Equipment type B (EN60601-1) Equipment type BF (EN60601-1) Danger: high temperature OFF ON Protective earth ground Alternating current Chapter 1 - Getting started - 15 Contraindication The physical strain to execute the respiratory manoeuvre is contraindicated in case of some symptoms or pathology. The following list is not complete and must be considered as a piece of mere information. Contraindications for the Spirometer tests Absolute contraindications For FVC, VC and MVV tests: • Post-operating state from thoracic surgery For FVC tests: • Severe instability of the airways (such as a destructive bronchial emphysema) • Bronchial non-specific marked hypersensitivity • Serious problems for the gas exchange (total or partial respiratory insufficiency) Relative contraindications For FVC tests: • spontaneous post-pneumothorax state • arterial-venous aneurysm • strong arterial hypertension • pregnancy with complications at the 3rd month. For MVV test: • hyperventilation syndrome Contraindications for Bronchial provocation tests The bronchial provocation tests must be executed according to the doctor’s discretion. There are not data that reveal specific contraindication for the bronchial provocation test through inhalation. The modern standard processes have been revealing secure in several clinical studies. However it is recommendable to respect the following contraindications: Absolute contraindications • Serious bronchial obstruction (FEV1 in adults) • Recent myocardium infarct • Recent vascular-cerebral accident • Known arterial aneurysm • Incapacity for understanding the provocation test procedures and its implications. Relative contraindications • Bronchial obstruction caused by the respiratory manoeuvre. • Moderate or serious bronchial obstruction. For ex. FEV1 < 1.51 in men and FEV1 in women < than 1.21. • Recent infection in the superior air tracts • During the asthmatic re-acuting • Hypertension • Pregnancy • A pharmacology treatment epilepsy Contraindications for Exercise testing Read carefully the exercise testing chapter. 16 - K4 b User Manual Environmental condition of use COSMED units have been conceived for operating in medically utilised rooms without potential explosion hazards. The units should not be installed in vicinity of x-ray equipment, motors or transformers with high installed power rating since electric or magnetic interferences may falsify the result of measurements or make them impossible. Due to this the vicinity of power lines is to be avoided as well. Cosmed equipment are not AP not APG devices (according to EN 60601-1): they are not suitable for use in presence of flammable anaesthetic mixtures with air, oxygen or nitrogen protoxide. If not otherwise stated in the shipping documents, Cosmed equipment have been conceived for operating under normal environmental temperatures and conditions [IEC 601-1(1988)/EN 60 601-1 (1990)]. • Temperature range 10°C (50°F) and 40°C (104°F). • Relative humidity range 20% to 80% • Atmospheric Pressure range 700 to 1060 mBar • Avoid to use it in presence of noxious fumes or dusty environment and near heat sources. • Do not place near heat sources. • Cardiopulmonary resuscitation emergency equipment accessible. • Adequate floor space to assure access to the patient during exercise testing. • Adequate ventilation in the room. Chapter 1 - Getting started - 17 Safety and conformity Safety IEC 601-1 (1988) /EN 60 601-1 (1990); Find reported below the complete classification of the device: • Class I type B device • Protection against water penetration: IP00, ordinary equipment unprotected against water penetration • Non sterile device • Device not suitable in the presence of flammable anaesthetics; • Continuous functioning equipment; EMC The system meets the EMC Directive 89/336 EN 60601-1-2 EN 55011 Class B (emission), IEC 1000-4-2, IEC 1000-4-3, IEC 1000-4-4 Telemetry I-ETS 300 220, CEPT T/R 01-04 pr ETS RES 0908 (CE type conformity) Transmission frequency and output power can be changed upon request according to the destination country requirements. Quality Assurance UNI EN ISO 9001:2000 (Registration n° 387-A Cermet) Medical Device Directive (CE mark) MDD 93/42/EEC (Notified Body 0476). Class IIa FCC (only USA version) FCC ID: SN7-K4B2T-USA (transmitter) FCC ID: SN7-K4B2R-USA (receiver) This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 18 - K4 b User Manual Keynotes Here are the keynotes used to make the manual easier to read. Typographic keynotes These are the typographic keynotes used in the manual. Style Description Bold “Italic” indicates a control or a key to be pressed. indicates a messages shown by the firmware. Graphic keynotes These are the graphic keynotes used in the manual. Illustration Description shows the button to click in the software to activate the related feature. Chapter 1 - Getting started - 19 System overview Portable Unit (PU) It is fixed to the patient during the test by an anatomic harness. The PU contains the O2 and CO2 analyzers, sampling pump, UHF transmitter, barometric sensors and electronics. It is powered by the rechargeable battery fixed to the back side of the harness. K4 b² is also provided with a small display, the PU shows in real time the following parameters: VT, VE, VO2, VCO2, R, HR, Rf Marker, battery charge level, temperature and barometric pressure. USA and Japan versions have the antenna not detachable from the portable unit. Besides data processing and presentation, the Portable Unit has the following functions: • Patient data input • Environment data input (humidity) • Gas and turbine calibration (automatic) • Memory functions • Tests data management • Data loading to a PC (via RS232) Telemetry Data Transmission, Receiver Unit (RU) The RU consists of a small unit connected to a PC through the RS 232 serial port. The transmission is achieved by a miniaturized transmitter module located inside the Portable Unit. Battery Charger Unit (CU) The CU allows the simultaneously charge of the 3 Ni-Cd batteries and to supply the PU during the warm up time. 20 - K4 b User Manual Flowmeter The system uses a bi-directional digital turbine. It opposes a very low resistance to flow (<0,7 cmH2O/l/s to 12 l/s). The air passing through the helical conveyors, takes a spiral motion which causes the rotation of the turbine rotor. The rolling blade interrupts the infrared light beamed by the three diodes of the optoelectronic reader. Every interruption represents 1/6 turn of the rotor, this allows to measure the number of turn in the time. Gas analysers The O2 and CO2 analysers are temperature-controlled and the internal pressure and expired flow are monitored for an higher reliability if the measurements. The K4 b² uses Nafion Permapure ® which is a semipermeable capillary tube capable of removing the humidity in excess without altering the gas concentrations.. The analysers calibration is automatic and shows both graphically and numerically the flow and concentration signals and the accuracy of the baseline/gain. PC Software The PC software, running on Windows™, allows the user to manage data stored in the Portable Unit or transmitted to PC. Here following a list of the main features available: • Test data management. • Viewing data in table and graphic form • Automatic and manual detection of anaerobic threshold (modified V-slope method). • On-line data presentation during tests. • Advanced data elaboration (filtering, smoothing, built in spread-sheet features). • O2 Kinetics (O2 deficit, O2 debt and time constant in both rising and falling edge of a constant load exercise test). • Flow-Volume loops during the test and overlapped on the rest FVC. • Real time display of the O2 and CO2 waveforms during the test. • Control of any ergometer provided with a RS232 interface. • Custom fittings (linear and exponential). • Spirometry (FVC, VC, IVC, MVV). • File exporting in three different formats (Lotus 123™, Excel™, ASCII). • Automatic detection of the "Steady State". • Adding parameters and predicted equations trough the "Formula Editor" tool-kit. • DDE with Microsoft Excel. • Customizing software environments (colours, printed parameters...). • Help on line. Chapter 1 - Getting started - 21 Before starting Before operating the K4 b2 we strongly recommend to check the equipment and register you as a customer. Checking the packing contents Make sure that the package contains the items listed below. In case of missing or damaged parts, please contact Cosmed technical assistance. K4 b2 standard packaging sss Note: a: Non telemetric version b: Internat. telemetric version c: USA telemetric version d: Japan telemetric version 22 - K4 b User Manual Code (version) C00950-01-04 C00952-01-04 C00952-02-04 C00949-01-04 C01599-01-04 C01599-02-04 C00260-01-04 C01570-01-06 C00342-01-12 C02120-01-05 C02200-01-11 A 800 900 001 C02210-01-08 C02125-01-10 C02135-01-10 C02145-01-10 A 661 200 001 A 661 200 002 A 182 320 001 C01460-01-06 A 362 060 001 C01507-01-12 C00659-01-12 A 410 110 002 C02100-01-06 C02100-02-06 C00341-01-12 C01577-01-12 C01929-01-08 C01143-01-98 C01800-01-05 C01509-01-30 C01588-01-20 A 680 023 500 A 680 044 500 C01790-01-36 C01999-02-DC C00067-02-94 C01508-02-91 Qty a b 1 1 2 2 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 Description (see note by side) K4 b2 Portable Unit K4 b2 Portable Unit K4 b2 Portable Unit K4 b2 Portable Unit K4 b2 Receiver Unit K4 b2 Receiver Unit K4 b2 Battery Charger Unit Antenna Antenna cable Turbine Ø 28mm Kit optoelectronic reader K4 b2 Head cap for the adult masks Permapure L73cm Mask mouth/nose breath adult S Mask mouth/nose breath adult M Mask mouth/nose breath adult L HR elastic belt HR polar transmitter Anti moisture filter RH/TA probe Power cord Schuko 2m RS232 cable K4 b2 Cigar light adapter Battery size AA 1,5V Battery pack TX K4 b2 Battery pack TX K4 b2 Cable power supply BNCxRF Cable power supply RX unit Harness K4 b2 adult Velcro strips (set 8 pieces) Kit gas calibration Carrying case Holder Portable Unit Time lag fuses 5x20 250V T500mA Fuses 6,3x32 250V F5A PC software Conformity declaration Registration card K4 b2 User Manual Warranty registration Before using the system, please take a moment to fill in the registration form and the warranty and return them to COSMED, by doing this you are eligible to the customers assistance service. For further information, please refer to the enclosed registration and warranty form. If the form is not enclosed in the packaging, please contact directly COSMED. Register the product via software Together with the PC software, a registration software is supplied. With this software it is possible to fill in an electronic form with the customer information. 1. To run the software, double click on the icon Registration or select Registration… from ? menu. 2. Type the requested information and click Send… to send the form via e-mail to COSMED. How to contact COSMED For any information you may need, please contact the manufacturer directly at the following address: COSMED S.r.l. Via dei Piani di Monte Savello, 37 P.O. Box n. 3 00040 - Pavona di Albano Rome - ITALY Voice: +39 (06) 931.5492 Fax: +39 (06) 931.4580 email: customersupport@cosmed.it Internet: http: //www.cosmed.it Complain, feedback and suggestions If you have any complain, feedback information or suggestion, please inform us at complain@cosmed.it. Chapter 1 - Getting started - 23 Options/Accessories Accessories Code Quantity C02150-01-11 C00600-01-11 C02115-01-10 C01278-01-30 C01277-01-30 A 800 900 004 Description Adapter Spirometry kit x opto-reader 2000 3 liters syringe for flows and volume calibration Adult face mask with x Turbine 2000 Mask mouth/nose breath ID28 paediatric L Mask mouth/nose breath ID28 paediatric S Paediatric Headcap Options Telemetry data transmission The optional Telemetry data transmission allows the researcher to transmit data on line to a PC up to a distance of 800 meters. All signals are in real time transmitted via radio to the RU to be saved and displayed on-line to any PC. Spirometry Kit Optional software and accessories designed for performing screening Spirometry such as Forced Vital Capacity, Slow Vital Capacity, Maximum Voluntary Ventilation and broncho-challenge tests. 24 - K4 b User Manual PC configuration required • Pentium II 350 MHz. • Windows 98, XP. • 64 Mb RAM . • CD drive. • VGA, SVGA monitor. • Serial Port RS 232 available (2 serial ports in case of Ergometer control). An USB port can replace one RS232 serial port, if using the USB-RS232 adaptor (Cosmed code A 388 410 001). • Any Mouse and Printer compatible with the MS Windows™ operative system. • PC conform to European Directive 89/336 EMC Chapter 1 - Getting started - 25 Technical features Portable Unit Memory Display LCD Keyboard: Serial Port Power supply: Thermometer: Barometer: Dimensions PU : Dimensions battery: Weight: 16,000 breaths 2 lines x 16 characters waterproof, 6 keys RS 232C Ni-MH rechargeable batteries 3 hours endurance 0-50°C 53-106 Kpa 170x55x100 mm, 120x20x80 mm 400g Receiver Unit Transmission range: Battery: Dimension: Weight: PC interface: 800 meters 4 x 1.5 V AA 170 x 48 x 90 mm 550 g RS 232 Battery charger Unit Power supply Power consumption 120V - 240 V 25 W Flowmeter Type: Flow Range: Accuracy: Resistance: Ventilation Range: Bidirectional digital turbine Ø 28 mm 0,03-20 L/sec ± 2% <0.7 cmH2O s/L @ 12 L/s 0-300 litres x min Oxygen Sensor (O2) Response time: Range: Accuracy: <150 ms 7-24% O2 ±0.02% O2 Carbon Dioxide Sensor (CO2) Response time: Range: Accuracy: <150 ms 0-8% ±0.01% Humidity absorber Capillary of Nafion (Permapure ®) Power Supply Voltage: Power consumption 100V-240V ±10%; 50/60Hz 60W Environmental Sensors Temperature: Barometer: Humidity: 26 - K4 b User Manual 0-50°C 400-800 mmHg 0-100% Measurements Pulmonary function tests and measured parameters Breath by Breath exercise testing Symbol UM Parameter VO2 VCO2 Vt FetO2 FetCO2 VE HR Qt AT VE SV RF FeO2, FeCO2 VE/VO2 VE/VCO2 VO2/HR VO2/Kg Ti, Te, Ti/Ttot Vd/Vt PaCO2 P(a-et)CO2 ml/min ml/min --l/min 1/min --l/min l/min 1/min ----ml/beat ml/min/Kg sec --mmHg mmHg Oxygen Uptake Carbon Dioxide production Tidal Volume End Tidal O2 End Tidal CO2 Respiratory Quotient Ventilation Heart Rate Cardiac output Anaerobic Threshold Ventilation Stroke volume Respiratory Frequency Averaged expiratory concentration of O2 e CO ventilatory equivalent for O2 ventilatory equivalent for CO2 Oxygen pulse VO2 per Kg time breaths Vd/Vt ratio arterial PCO2 (estimated) Delta PaCO2 – PetCO2 Symbol UM Parameter EE EE/BSA EE/Kg FAT CHO PRO FAT% CHO% PRO% npRQ Kcal/day Kcal/day/m2 Kcal/day/Kg Kcal/day Kcal/day Kcal/day —- Energy Expenditure Energy Expenditure/Body surface area Energy Expenditure pro Kg Fats Carbohydrate Protein % Fat % Carbohydrate % Protein Respiratory quotient not protein UM Description Indirect Calorimetry Lactate Threshold (V-Slope) Symbol 28 - K4 b User Manual VO2 @ LT l/m Lactate (Anaerobic) Threshold R @ LT Time @ LT VCO2 -hh:mm:ss ml/min Respiratory Quotient @ LT Time @ LT CO2 output @ LT STPD VE l/min Ventilation @ LT BTPS STPD HR bpm Heart Rate @ LT Parameter UM Calculation O2 deficit O2 debt l/m l/m VO2@work*tau VO2'@work*tau O2 Kinetics Spirometry Tests (option) FVC - Forced Vital Capacity Symbol UM Parameter FVC FEV1 FEV1/FVC% PEF FEV0.5 FEV6 FEV1/FEV6 FEV6/FVC% Best FVC Best FEV1 Best PEF Vmax25% Vmax50% Vmax75% FEF25-75% FET100% FEV2 FEV3 FEV2/FVC% FEV3/FVC% FEV1/VC% FEF50-75% FEF75-85% FEF0.2-1.2% FiVC FiF25-75% FiV1 PIF VEXT PEFT l/sec l/sec l/sec l/sec l/sec l/sec sec l/sec l/sec l/sec l/sec l/sec l/sec ml msec Forced Expiratory Vital Capacity Forced Expiratory Volume in 1 sec FEV1 as a percentage of FVC Peak Expiratory Flow Forced Expiratory Volume in 0.5 sec Forced Expiratory Volume in 6 sec FEV1 as a percentage of FEV6 FEV6 as a percentage of FVC Best Forced Expiratory Vital Capacity Best Forced Expiratory Volume in 1 sec Best Peak Expiratory Flow Expiratory Flow when 75% of the FVC remains to be exhaled Expiratory Flow when 50% of the FVC remains to be exhaled Expiratory Flow when 25% of the FVC remains to be exhaled Mid-exp flow between 25-75%FVC Forced expiratory time Forced Expiratory Volume in 2 sec Forced Expiratory Volume in 3 sec FEV2 as a percentage of FVC FEV3 as a percentage of FVC Tiffenau index Mid-exp flow between 50-75%FVC Mid-exp flow between 75-85%FVC Mid-exp flow between 0.2 l - 1.2 l Inspiratory Forced Vital Capacity Forced mid-inspiratory flow Forced Inspiratory Volume in 1 sec Peak Inspiratory Flow Extrapolated Volume (back extrapolation) Time to PEF (10% - 90%) VC/IVC - Slow Vital Capacity and Ventilatory pattern Symbol UM Parameter EVC IVC ERV IRV IC Expiratory Vital Capacity Inspiratory Vital Capacity Expiratory Reserve Volume Inspiratory Reserve Volume Inspiratory Capacity Chapter 2 - Measurements - 29 VE Vt Rf Ti Te Ttot Ti/Ttot Vt/ti l/min 1/min sec sec sec —l/sec Expiratory Minute Ventilation Tidal Volume Respiratory Frequency Duration of Inspiration Duration of Expiration Duration of Total breathing cycle Ti/Ttot ratio Vt/ti ratio MVV - Maximum Voluntary Ventilation Symbol UM Parameter MVV MVt MRf MVVt l/min 1/min sec Maximum Voluntary Ventilation Tidal Volume (during MVV) Maximum Respiratory frequency MVV duration time Bronchoprovocation Response 30 - K4 b User Manual Symbol UM Parameter FallFEV1 FallVmax50% P10 P15 P20 ———- Fall in FEV1 from baseline or post diluent Fall in Vmax50% from baseline or post diluent Provocative dose causing FEV1 to fall 10% from baseline Provocative dose causing FEV1 to fall 15% from baseline Provocative dose causing FEV1 to fall 20% from baseline Installation Installation sequence Before starting operating with the system make sure to meet the environmental and operational conditions reported in Chapter 1. Battery Charger Unit The Battery Charger Unit allows the following functions: • Charge 3 rechargeable batteries simultaneously. • Charge batteries by means of the car lighter plug. • Supply the K4 b2 Portable Unit directly by the main power. Check voltage sss Warning: Before turning the Battery Charger Unit on, check the voltage switch selected meets your main voltage. The Battery Charger Unit is provided with a switch that allows to change the voltage according to the following values: • 115V 50-60 Hz (100V-120V) • 220V 50-60 Hz (200V-240V) To change setting, move the switch on the new voltage by using a small screwdriver or a pen. Turn the Unit on 1. 2. Connect the Charger Unit to the main plug. Turn on the Unit by pressing the orange power switch. Charge the batteries 1. 2. Insert the batteries into the places on the top of the unit as shown in the illustration below. The small green LED placed on the front panel warns the charge in progress. The battery is charged when the light signal placed on the front panel of the Charger Unit starts blinking. Note: USA and Japan versions have not the antenna connector on the battery. 32 - K4 b User Manual Battery low It is recommended to charge batteries before each test. When the batteries are low the warning message is prompted on the PU by two beeps for an half charged battery and three beeps for a complete discharged battery. As soon as the message appears, you must change batteries immediately since the system has only few minutes of endurance still available. The system allows to change the battery during testing as well. During the test, it is possible to monitor the battery status in real time by selecting Information from View menu. Portable Unit The PU can be supplied either by the Charger Unit or by rechargeable batteries. It is recommended during Warm-up to supply it exclusively by the Charger Unit time in order to save the battery used normally during the test. The control panel of the Portable Unit is mainly composed by a keyboard, and 4 plugs for power supply, turbine, antenna, heart frequency and sampling tube connections. The following illustrations show in detail the control panel. Marker key Display Cancel key Enter key Scroll up/down key On/Off switch Note: USA and Japan versions have the antenna not detachable from the portable unit. Chapter 3 - Installation - 33 Warm up sss Important: In order to ensure accurate gas measurements, you must wait for a warming-up time before operating the K4 b². During this period the PU must be turned on for at least 45 minutes. The K4 b2 uses O2 and CO2 heated sensors. We strongly recommend at least 45 minutes warm-up time at an ambient temperature of 20°C. More time is necessary if the environmental temperature is lower. Calibration or testing before warm-up time is completed, can cause wrong results. sss 1. 2. Warning: Supply K4 b with Charger Unit for warming up only. Warming-up the unit by main power Connect the Charger Unit to the main power by the AC power cable. Connect the power-supply cable both in the Charger Unit and K4 b2 as shown below and turn both the units on. Turning on/off the portable unit To turn the K4 b2 on or off press the on/off key. Connect the rechargeable battery Plug the power supply cable into the battery socket as shown in the following illustration. International telemetric version USA and Japan Telemetric version Sometimes you might need to change the battery during the test. To do this you must change the battery in the shorter time possible. The Portable Unit does not transmit data while it is not powered. Warning: During testing make sure to change the battery as fast as possible, since a long time could compromise the reliability of measurements. 34 - K4 b User Manual Receiver Unit Optionally the K4 b2 is provided with a transmitter board (located inside the K4 b2 unit) and a Receiver Unit to monitor "on-line" exercise tests performed either in the field or in the lab. All data measured by the K4 b2 are transmitted "breath by breath" to the Receiver Unit in real time. The RU (illustrated below) must be connected to a Personal Computer with any RS 232 serial port to display data "on-line" in the management software. The transmission range is 800 meters in open field. However during transmission the test is stored in the memory of the K4 b2 Unit so that, in case of transmission interference no data is lost. Turning on/off the receiver unit To turn the receiver unit on or off use the switch on the front side of the unit. Receiver unit power supply The K4 b2 Receiver Unit is provided with four 1.5 V AA batteries. Before turning the unit on be sure that batteries are charged. If the status battery indicator blinks red you must replace the 4 batteries. The unit can be also supplied by 6V DC power through the cable provided in the equipment. The receiver unit can be supplied by two different sources: • by the Battery Charger Unit: connect the units by the 6V DC cable. • by 4 AA 1,5V batteries. Calibration Gas Cylinder In order to calibrate the sensors you need to have available calibration cylinder with the following gas concentration: Cylinder Recommended Gas mixture Calibration O2 16%, CO2 5%, N2 Balance For the calibration procedure, see the Calibration chapter. Chapter 3 - Installation - 35 Connecting the K4 b2 to the patient K4 b2 is a portable system with a total weight lower than 1 kg. Cosmed has developed a special harness to fix the unit to any subject. The harness consists of a belt that can be adjusted to fit different sizes and positions. I.e. if you need to test cyclist or rower athletes we recommend to locate both units (K4 b2 and battery) on the back of the subject to increase comfort and to avoid any obstacles during movements. For this reasons plates are provided with the harness and they can be easily removed and placed in different positions. Assemble the mask and the flowmeter K4 b² is provided with a turbine flowmeter that can be easily disassembled for allowing cleaning and disinfection. 1. Plug the turbine in the mask adapter by pushing and rotating it clock-wise till you feel a stop. 2. Insert the optoelectronic reader over the turbine and press it till the mask. 3. Plug the wind cover as described in point 1. 4. Plug the sampling tube in the little hole located in the optoelectronic-electronic reader. 5. Plug the turbine cable in the Turbine plug control panel of the K4 b2. sss Notice: In order to preserve items composing the mask, it's recommended to grease periodically O-rings in the optoelectronic reader with Silicone compound grease. Using the "Ultimate Seal" The "ultimate seal" is a moulded of Elasto-Gel, a glycerine based hydrogel. This product is a unique polymer gel that forms an intimate seal between the face and the mask. It has to be used for mask applications on hard to seal faces and where leaks are not tolerated. 36 - K4 b User Manual • Will not irritate the skin • Contains no adhesives. • Has no odour • Will not dry out • Single patient use Apply the seal to the mask Apply seal to clean, residue-free mask only and follow the instructions below: 1. Remove the plastic tray from the bag. Peel off clear film and retain for later use. 2. While holding tray align the nose area of mask to nose area of Ultimate Seal™ gel. Press together and roll mask down over the surface of the gel seal attaching it to the mask and releasing it from the tray. 3. If needed, adjust the position of the seal, aligning it with the outer perimeter of the mask sealing surface. 4. The mask is now ready to be placed on the subject's face. To remove seal on mask sss Notice: Avoid the exposure to the sun. Do not put the seal into the water. • The Ultimate Seal™ have been conceived for a single patient use only, it can not be cleaned or sterilised. • If mask requires cleaning for a new patient application then pull off and dispose of the Ultimate Seal™. • To keep the seal clean between use, keep it attached to the mask and place the clear film against the Ultimate Seal™ gel on the mask. When the seal becomes discoloured or opaque (approximately two weeks) dispose of the current seal and replace it with a new one. Assembling the flowmeter for spirometry tests In case the spirometry kit option is purchased assemble the turbine as shown in the illustration below. Chapter 3 - Installation - 37 Fixing the K4 b2 to the patient 1. 2. 3. 4. 5. 6. 7. Fix the heart belt to the patient’s box thorax. Fix the K4 b2 unit to the front of the harness. Do the same operation with the battery on the back . Connect the battery cable to the 6V plug of the K4 b2 control panel. Be sure that the red plug, that repairs the plug from water or sweat drops, is on the Portable Unit side. Connect the antenna cable to the Antenna plug of Portable Unit control panel. Insert the heart frequency receiver and temperature probe cable in the HR-Temp plug placed on the control panel. Insert the male connector of the turbine in the Turbine plug on the control panel. Fix the power supply cables, antenna and turbine on the right side of the jacket with the velcro stripes provided in the equipment. Fix the heart frequency probe on the left side. sss Notice: Be sure to fix the Heart rate probe on the left side, while the other cables have to be fixed on the right side. This must be done for avoiding interferences between cables. sss Notice: Fix all cables with the velcro strips provided with the equipment. Note: USA and Japan versions differ from the picture because of the antenna placement. 38 - K4 b User Manual Connecting the K4 b2 to the PC K4 b2 can be connected to any PC provided with serial port in order to monitor "online" physiological data during any kind of activity. Connect the Portable Unit to the PC Connect the K4 b2 Portable Unit to a serial port available in the PC. Be sure to set the K4 b2 software to the proper serial port for the transmission. Connect the Receiver Unit to the PC Connect the telemetry module to a serial port available in the PC. Be sure to set the K4 b2 software to the proper serial port for the transmission. Chapter 3 - Installation - 39 Software installation The software is made of two programs: one for the ergometry and the other one for the spirometry (option). The two programs share the same archive and use the same program for the system calibration, even if they are used for performing completely different tests. Installing the software sss Notice: The software is copy-protected. Install the software from the original disk. 1. 2. 3. 4. 5. 6. Select Run... from Windows Start menu. Insert the disk in the proper drive. In the Command line, type:\install. Click on OK (or press ENTER key). The program will load up a dialog box and ask for a directory where to be installed. When the installation is over, the program will advise you with a message indicating that the installation has been successfully completed, click on End. Note: the directory for the Spiro software must be the same of the K4 b2 (ergo). Run the software 1. 2. In the Windows Start menu, open the Program Group in which the software was installed. Click the K4 b2 icon. PC port configuration The first time the software is used, it is necessary to configure the communication port with the PC (USB, COM1, COM2,…). For further details, see the chapter Database management. 40 - K4 b User Manual Software main features Display The program may contain several windows. The active window is highlighted with a different colour of the caption. Some functions of the program are "active window" sensitive (Print, right key of the mouse). Tool bar Many of the functions that may be selected from the menu can be activated more rapidly by clicking with the mouse on the corresponding icon in the tool bar. Positioning the mouse cursor on one of the buttons of the toolbar (if the option Hints is enabled), the description of the corresponding function is shown in a label. Show/hide the toolbar Select Toolbar from Options menu in order to show or hide the toolbar. Dialog windows The typical operating environment of Microsoft Windows is the Dialog box. This window is provided with a series of fields in which input the information. Use of the keyboard • To move the cursor among fields, press the Tab key until you reach the desired field. • Press the Enter key to confirm the information input on the dialog box or press the Esc key to cancel changes. Use of the mouse • To move the cursor among fields, move the mouse on the desired field and leftclick. • Click on the OK button with the Left button of the mouse to confirm the information input on the dialog box or click on Cancel button to cancel changes. Scroll bars Some windows are provided with scroll bars that help to see data exceeding the window space available. • To move the scroll bar row by row click the scroll arrows at the end of the scroll bars • To move the scroll bar page by page click on the grey area at both sides of the scroll fields On line help COSMED K4 b2 Help is a complete on-line reference tool that you can use at any time. Help is especially useful when you need information quickly or when the user manual is not available. Help contains a description of each command and dialog box, and explains many procedures for accomplishing common tasks. To get the Help on line, press the F1 key. Software version To know the software version and the serial number of the software, select About… from ? menu. Chapter 3 - Installation - 41 2 42 - K4 b User Manual
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