Philips Avalon CTS M2720A Service Manual Download Page 15

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Applying the Velcro Fixing Tape

1 General Information

Applying the Velcro Fixing Tape

Two self-adhesive Velcro fixing tape sets are supplied, each set consisting of two halves.

Strip off the paper backing on one half of the Velcro set and attach to one side of the underneath of the
base station. Repeat for the other side.

Strip off the paper backing on the other half of the Velcro set and attach to the fixing surface so that the
two halves of the Velcro set mate up when the base station is correctly positioned.

Apply other half of

Velcro tape to appropriate

Apply one
half of
Velcro
tape in
position
shown

place on fixing surface

Summary of Contents for Avalon CTS M2720A

Page 1: ...Avalon CTS Cordless Fetal Transducer System M2720A 4535 643 67821 June 2012 Published in Germany S E RV I C E G U I D E To Purchase VisitAvobus comor call 1 800 674 3655 ...

Page 2: ...ii ...

Page 3: ...ting on Wooden Carts and Other Flat Surfaces 11 Considerations for Choice of Configuration 11 Frequency Bands 11 Standard Delivery Configuration 12 When is a Different Configuration Needed 12 When the Area of Reach is Not Sufficient 12 When the Standard Configuration is Unsuitable 12 Japanese Systems 12 Multi Region Base Station 13 Frequency Planning 13 Setting Expectations 13 Antenna System Guide...

Page 4: ...pare Parts 41 Exchange Parts 41 Non Exchange Parts 42 Supplies and Accessories 43 Antenna and Base Station Part Numbers 45 6 Preventive Maintenance and Safety 47 Care and Cleaning 47 Recommended Frequency of Testing 47 Performance Assurance Tests 48 Self Test 48 Parameter Test 48 Testing Alarms 49 Safety Tests 49 Safety Test Procedures 50 When to Perform Safety Tests 50 How to Carry Out the Test B...

Page 5: ...ystem Reset 61 Common Problems 62 Troubleshooting a Cordless System an Overview 64 Checking Contacts 65 Checking the Fetal Monitor 65 RF Problems 65 Carrier to Noise Ratio 65 Gathering Data 66 Observe System Performance 66 Question the User 66 Area of Reach 66 Range Definition 67 Using the Base Station 67 Using the Service Support Tool 68 RF Interference 68 One Channel or Narrowband Interference 6...

Page 6: ...on Settings 83 Displaying the Software Revision 83 Clearing the Factory Information Code FIC Log 83 Starting the Battery Check 84 9 Upgrades 85 10 Specifications 87 General 87 Base Station 87 Transducers 88 Frequency Bands 89 Frontends 89 Cables 90 Electromagnetic Compatibility EMC Specifications 91 Emissions and Immunity 91 Electromagnetic Immunity 91 Finding Recommended Separation Distances 92 R...

Page 7: ... the Instructions for Use Refer to the Instructions for Use for maintenance and troubleshooting procedures that may be performed during normal operation Only qualified service personnel should attempt to install the system disassemble the base station remove or replace any internal assemblies or replace the transducer batteries or belt buttons Who Should Read This Guide This guide is for any quali...

Page 8: ...ge 38 Pre Installation Considerations There are a number of factors you need to consider that influence how you install the Avalon CTS When is the Avalon CTS Customer Installable The Avalon CTS is intended to be customer installable under the following conditions The system in its standard configuration is an out of the box standalone system delivered with automatic frequency allocation and is int...

Page 9: ...quires a Multi Region base station Warnings Cautions and Important Information WARNING A warning alerts you to a potential serious outcome adverse event or safety hazard Failure to observe a warning may result in death or serious injury to the user or patient CAUTION A caution alerts you to circumstances where special care is necessary for the safe and effective use of the product Failure to obser...

Page 10: ... 60601 1 2 2001 A1 2006 EN 60601 1 4 1996 A1 1999 EN 60601 1 6 2004 EN 60601 2 37 2001 Protective Earth Terminal This symbol identifies the terminal for connection to an external protective earth system Antenna input symbol Service socket symbol This symbol appears on the device adjacent to the CE marking and defines Class 2 radio equipment per Radio and telecommunications Terminal Equipment Direc...

Page 11: ...1 General Information 5 EN 60601 2 49 2001 UL2601 1 1997 CAN CSA C22 2 No 601 1 M90 JIS T 1001 1992 JIS T 1002 1992 AS 3200 1 0 1998 The cordless transducers are battery operated devices with applied parts of Type CF ...

Page 12: ... be secured against any unintended operation The patient cable must be positioned so that it does not come into contact with any other electrical equipment Before operation make sure that the base station is free from condensation This can form when equipment is moved from one building to another and is exposed to moisture and differences in temperature Environment Before operation make sure that ...

Page 13: ...ng shelf forming part of the Avalon CTS mounting kit Each kit comes with complete system power from one single power cord and the appropriate monitor interface cable is also integrated so that you do not require a separate interface cable On top of carts desks or other flat surfaces using the mounting brackets In a wide variety of situations using the GCX mounting adapter for mounting the base sta...

Page 14: ...al Information Mounting Solutions 8 Contact your local Philips representative for additional cart mounting options Refer also to the fitting instructions that come with the relevant solution Mounting Brackets ...

Page 15: ...f of the Velcro set and attach to one side of the underneath of the base station Repeat for the other side 2 Strip off the paper backing on the other half of the Velcro set and attach to the fixing surface so that the two halves of the Velcro set mate up when the base station is correctly positioned Apply other half of Velcro tape to appropriate Apply one half of Velcro tape in position shown plac...

Page 16: ...ings for mounting onto Philips Carts The mounting bracket can also be fitted on walls wooden carts or other flat surfaces using fixings not supplied appropriate for the surface material Mounting on Philips Carts 1 Remove the plastic cover A 2 Slide the fixings for the mounting bracket C into the groove B in the cart 3 Replace the plastic cover A before sliding the mounting bracket fully down 4 Sli...

Page 17: ...actual approved frequencies used depend on country specific regulations The following diagram gives an example overview of the system s frequency band configuration 1 The full hardware frequency range 10 MHz wide 2 The country specific frequency range governed and approved by local regulatory bodies 3 The available frequency range shows the real current frequency range available within the country...

Page 18: ...consider The placement of the antenna has an effect on the operating range If it is located inside a metal cart or other RF absorbing material then place the antenna externally by using the Antenna Extension Mounting Kit M2720A Option K01 to increase the range Check the orientation of the antenna In general the antenna provides the greatest range when it is positioned vertically If the area of rea...

Page 19: ...y configuration Exclude frequency ranges already occupied by other telemetry systems or that are subject to interference from other RF sources see page 65 Use fixed frequencies for the base station possibly in conjunction with altering the channel spacing see page 74 Use fixed frequencies for the transducers see page 66 Setting Expectations No matter how good a telemetry system design is it will a...

Page 20: ... the following antenna specifications apply to the Avalon CTS Only original M2600A antenna system components will be supported The antenna spacing must not exceed a radius of 10m 32ft Existing antenna systems used for M1310A with 15 5m 51ft antenna radius spacing do not comply and must be redesigned to work with the Avalon CTS A mixture of Avalon CTS and other supported Philips telemetry devices f...

Page 21: ...KHz from any non Avalon frequency channel The internal channel frequency spacing between Avalon CTS transducers should be 25 KHz factory default setting Example A Series 50 T Fetal Telemetry System M1310A is already connected to an antenna system and its transmitter is set to 433 650 MHz You need to connect an Avalon CTS to the same antenna system In this case the first usable frequency channel fo...

Page 22: ...1 General Information Antenna System Guidelines 16 To Purchase Visit Avobus com or call 1 800 674 3655 ...

Page 23: ...unctional operation of the system including the base station and transducers It incorporates features of the mechanical design indicating the physical relationship of the assemblies and components Base Station Hardware Overview Figure 1 Base Station Boards ...

Page 24: ...eside on this board The MIF board consists of the following functional blocks DC DC Converter the 48V DC input for the DC DC converter comes from the primary AC DC converter Since the 48V DC voltage is sufficiently stabilized two fixed pulse width step down transformers are used to transform the high voltage down to the required 3V 5V and 12V post regulated for accuracy The 12V supply is mainly us...

Page 25: ... transducers is made up of the following functional blocks CPU micro controller LCD Base Station communication EEPROM FLASH download port Clock generator Power supply and battery charger Modulator RF transmitter Figure 2 Transducer Block Diagram RF transmitter modulation signal wave FSK Modulator Boards M2725 66501 M2726 66501 parameter frontends see separate description wave CPU micro frontend co...

Page 26: ...ier signal The subcarrier is responsible for the digital transmission of the Toco data along with safety and status information such as serial number bed label fetal movement data battery information RF Transmitter The RF transmitter block contains a PLL synthesizer that divides the reference frequency down to 12 5 kHz and can be tuned in steps of 12 5 kHz a voltage controlled ocillator VCO a powe...

Page 27: ...et carries all parameter related inputs and outputs An external mode resistor connected to one of the pins detects which ECG mode to set when an adapter cable is plugged in ECG adapter cables used with patient modules are also used for the fetal scalp or adult electrodes ...

Page 28: ...2 Theory of Operation ECG Frontend Hardware 22 To Purchase Visit Avobus com or call 1 800 674 3655 ...

Page 29: ... 00 00 software or greater The interface is enhanced to support additional transducer combinations for future fetal monitors The following table lists the signals at each pin Pin Signal Details 1 MECG supported Series 50 B C and Avalon fetal monitors only 2 3V RF 10 k internal resistance 3 12V RF 10 k internal resistance 4 48V RF 100 k internal resistance 5 Base station on L 6 Reserved 7 DECG inop...

Page 30: ...must be docked in the base station for communication with the Service Support Tool Figure 3 Interface cable for connecting an industry standard compatible PC to the Avalon base station 11 Reserved 12 IUP Mode L 13 TOCO External Mode L 14 US LF or ECG Signal 15 TOCO IUP signal 16 Not connected 17 Ground 18 Ground 19 Reserved Tele Marker on the fetal monitor side 20 Tele FMP on L if FMP available 21...

Page 31: ...ision A 02 00 or greater M1353A with M1353 66531 IF HR 1 HR 1 Only one HR transmitted M1353A with M1353 66531 E IF HR 1 HR 1 Software revision A 02 00 or greater M2702A Avalon FM20 FHR1 HR only Maternal heart rate no MECG wave Monitor software revision D 00 00 or greater M2703A Avalon FM30 FHR1 DFHR MECG including wave Monitor software revision D 00 00 or greater M2704A Avalon FM40 FHR1 HR only Ma...

Page 32: ...3 System Interfaces Compatible Fetal Monitors 26 ...

Page 33: ...e for later refitting How to Use this Chapter The disassembly sections detail the step by step procedures you use to access replaceable parts of the base station All the transducers are sealed at the factory and are not repairable Replacement transducers are supplied complete with both battery and belt button fitted The Avalon base station consists of two major assemblies The top cover assembly Th...

Page 34: ...torque the screws Excessive torque may damage the plastic screw mountings You need the following tools Torx head screwdriver size T 10 or Torx bit for suitable driver size T 10 Removing the Top Cover Assembly 1 Carefully place the base station upside down To avoid scratches place the unit on some cloth or other soft surface 2 Remove the six screws securing the top cover assembly to the chassis usi...

Page 35: ...ns The top cover assembly is now free of the chassis assembly Replacing the Top Cover Assembly The serial number appears initially in two places on the base station on the rear of the top cover assembly and on the bottom of the metal chassis A replacement top cover does not carry a serial number 1 Ensure all items are replaced in the top cover assembly 2 Reconnect the multipin ribbon cable connect...

Page 36: ...er torque the screws Excessive torque may damage the plastic screw mountings 7 Drive in the six screws that hold the front cover and chassis assemblies together using a T 10 Torx driver Changing Fuses There are two versions of power supply the Celestica version earlier build and the Frei version later build There are two field replaceable fuses located in the power supply They are of type T1 6A In...

Page 37: ...wer supply cover to the edge of the chassis as shown to clear the lugs on the chassis 5 Then remove the cover by lifting it straight up Screw locations Boards shown removed for illustration purposes Remove power supply cable Chassis lugs Power supply cover Slide power supply cover to the outer edge of chassis to clear lugs Lugs cleared To Purchase Visit Avobus com or call 1 800 674 3655 ...

Page 38: ... Fuses 32 6 Important Replace the fuses with new fuses of exactly the same type and rating T1 6A 7 Replace the power supply cover and secure it with the three screws Power supply cover removed FREI version T1 6A Fuse CELESTICA version ...

Page 39: ...supply and the metal chassis come as one unit they are not available independently The power supply cable is reusable and also comes with the new chassis power supply assembly To change the power supply metal chassis assembly Step1 Remove the Top Cover Assembly See page 28 Step2 Remove the MIF Board 1 Remove the six pin power supply connector from the MIF board 2 Remove the two screws A using a T ...

Page 40: ... socket using a 6mm socket driver 4 Disconnect the multipin connector joining the MIF board to the receiver board by lifting the corner of the MIF board nearest to the power supply cover 5 Then lift the MIF board clear of the chassis assembly Screws B Multipin connector MIF board removed To Purchase Visit Avobus com or call 1 800 674 3655 ...

Page 41: ...e Step 1 2 Remove the four screws securing the receiver board to the chassis using a T 10 Torx driver 3 Gently lift the front right hand corner of the receiver board at the same time pulling it forward 4 Next lift the rear left hand corner of the board so that the board is clear of the metal screw fixing post Screw locations Screw fixing post ...

Page 42: ...er Supply Metal Chassis Assembly 36 5 Then lift the board clear of the chassis Step 4 Replace Metal Chassis Power Supply Assembly Take the new metal chassis assembly Lift left hand side of board to clear screw fixing post Chassis Power supply ...

Page 43: ...the hole in the left hand side of the receiver board 2 Position the receiver board so that all the screw holes on the board align with the screw fixing points on the chassis 3 Drive in the four screws A using a T 10 Torx driver to secure the receiver board to the chassis Locate screw fixing post through hole in board Insert antenna socket through hole in chassis Screw locations To Purchase Visit A...

Page 44: ... is accurately aligned 2 Carefully apply a little pressure on the left hand rear corner of the MIF board to seat the multipin connector into the socket on the receiver board below 3 Ensure that the screw holes in the board align with the screw fixing points below 4 Drive in the two screws B with a T 10 Torx driver 5 Then drive in the two screws A using a T 10 Torx driver The MIF board is now secur...

Page 45: ...bly 39 6 Reconnect the power supply connector plug to the socket at the front left hand corner of the MIF board Step 7 Replace The Top Cover Assembly Replace the top cover assembly taking care not to over torque the screws see page 29 six pin power connector Reconnecting ...

Page 46: ...4 Disassembly Reassembly Changing the Power Supply Metal Chassis Assembly 40 To Purchase Visit Avobus com or call 1 800 674 3655 ...

Page 47: ...34 451261002061 Base station without transducers Multi Region for example for Norway Singapore M2725 60001 453563474301 Cordless Toco transducer USA Australia M2725 60002 453563474311 Cordless Toco transducer Europe M2725 60003 453563474321 Cordless Toco transducer Canada M2725 60004 453563474331 Cordless Toco transducer Japan M2726 60001 453563474381 Cordless US transducer USA Australia M2726 600...

Page 48: ...ction sheet M2720 03201 453563474041 Mounting brackets n a 453564254091 Warning Label English n a 453564254101 Warning Label French n a 453564254111 Warning Label German n a 453564254121 Warning Label Dutch n a 453564254131 Warning Label Spanish n a 453564254141 Warning Label Italian n a 453564254151 Warning Label Norwegian n a 453564254161 Warning Label Swedish n a 453564254171 Warning Label Finn...

Page 49: ...er black connector for FM40 50 monitors only 453564203951 non USA 453564207991 USA only n a Cordless Toco transducer M2725A 862488 Cordless US transducer M2726A 862489 Cordless ECG transducer M2727A 862490 DECG Accessories New Philips DECG Solution DECG reusable legplate adapter cable with flushing port N A 9898 031 37651 DECG leg attachment electrode for DECG legplate adapter cable N A 9898 031 3...

Page 50: ...le pack of 3 M1562B 989803129891 Disposable abdominal belts case of 100 M2208A 989803106021 PC service cable for Service Support Tool M1360 61675 453563277381 QwikConnect Plus is a trademark of GE Healthcare 1 Please ask your service personnel for the correct version FDA non FDA regulated version Description of Supplies Accessories Ordering Number Part No Alternative Identifier ...

Page 51: ...ion Ordering Number Number for Exchange Parts Number for New Parts Part No Alternative Identifier Part No Alternative Identifier WMTS Band 0950 2028 453563044001 M2720 69030 453563474101 M2720 60030 453563473001 internal code 214 ISM Band internal code 212 M2720 69031 453563474111 M2720 60031 453563473011 Japanese Band internal code 215 M2720 69032 453563474121 M2720 60032 453563473021 Multi Regio...

Page 52: ...5 Spare Parts Antenna and Base Station Part Numbers 46 To Purchase Visit Avobus com or call 1 800 674 3655 ...

Page 53: ...ION Failure on the part of the responsible individual hospital or institution using this equipment to implement a satisfactory maintenance schedule may cause undue equipment failure and possible health hazards Care and Cleaning For detailed instructions on how to care for and clean the base station transducers and the monitoring accessories see the Instructions for Use Recommended Frequency of Tes...

Page 54: ...tor is lit on the base station The bed label is visible on both displays The transducer display shows which slot is occupied Ultrasound transducer display slot 1 Toco transducer display slot 2 To start the test with no transducers or alarms active 1 Press and hold down The test mode remains active for as long as you keep pressed Battery charging stops and the transducers behave like normal active ...

Page 55: ...tem The following table specifies the signals that are generated during the test As the mode of the ECG transducers is unknown to the base station as it is configured outside of the base station an ECG transducer is always mapped to the MECG mode This avoids potential mode errors 4 To stop the test release the key Expected signals generated during the system test Test Outputs US DECG Place in Slot...

Page 56: ... for Metron products contact Metron AS Vegamot 8 N 7048 Trondheim Norway www http www metron biomed com When to Perform Safety Tests This table tells you when to perform specific safety tests See page 51 for test details Table 1 M2720A When to perform safety test blocks Service Event Test Block s Required Complete These tests Installation The product is customer installed For installation instruct...

Page 57: ...ormance Test is passed P P or P F Safety 1 Perform Safety Test Protective Earth With mains cable Maximum impedance X1 100 mOhms S 1 P X1 or S 1 F X1 Safety 2 Perform Safety Test Enclosure Leakage Cur rent Normal Condition With mains cable Maximum leakage current X2 100 A S 2 P X2or S 2 F X2 Safety 3 Perform Safety Test Enclosure Leakage Cur rent Single Fault Condition Open Supply With mains cable ...

Page 58: ...ing to IEC 60601 1 Clause 18 Report the highest value S 2 Enclosure Leakage Current Test Normal Condition NC Test to perform The enclosure leakage current normal condition is applicable to Class 1 and 2 equipment type B BF and CF Applied Parts The test measures leakage current of exposed metal parts of the Instrument Under Test it tests normal and reversed polarity For Type BF and CF Applied Parts...

Page 59: ...lue S 4 Enclosure Leakage Current SFC Open Earth Ground Test to perform The enclosure leakage current single fault condition open earth ground is applicable to Class 1 equipment type B BF and CF Applied Parts The test measures leakage current of exposed metal parts of Instrument Under Test with Protective Earth open circuit it tests normal and reversed polarity For type BF and CF Applied Parts the...

Page 60: ...ystem must comply with the requirements of the system standard IEC EN 60601 1 1 Compliance is checked by inspection testing or analysis as specified in the IEC 60601 1 1 or in this book Medical electrical equipment must comply with the requirements of the general standard IEC EN 60601 1 its relevant particular standards and specific national deviations Non medical electrical equipment shall comply...

Page 61: ...ing a separation device whenever you connect non medical electrical equipment Regular Preventive Maintenance The care and cleaning requirements that apply to the Avalon CTS and the monitoring accessories are described in the Instructions for Use This section details the periodic maintenance recommended for the base station transducers and accessories Mechanical Inspection All rear panel connection...

Page 62: ...ongested the belt button must be exchanged see the instruction sheet Removing and Replacing the Transducer Belt Button that accompanies the belt button replacement kit or see page 91 in this manual Testing the Ventilation Membrane If you want to test the ventilation membrane in the belt button you need the following Manometer Test volume chamber Three lengths of silicone tubing with a T adapter 1 ...

Page 63: ...discharge typically only a small proportion of the total capacity will be used Even a battery with suspect performance will still have a relatively high capacity when it is freshly charged As a result the test takes approximately eight hours For the duration of the test the Avalon CTS cannot be used To limit this down time the test automatically stops if the batteries have reached the minimum oper...

Page 64: ...ots 1 and 2 blink indicating that battery charging is in progress Transducers remain unprogrammed shut down if removed The right hand horizontal segment bars of the two digit numeric display wander up and down from bottom up This indicates that battery charging is in progress 2 Fast battery discharge The battery is rapidly discharged The right hand horizontal segment bars of the two digit numeric ...

Page 65: ...sults of the battery check were not noted Refer to the Service Support Tool Help for details Battery Exchange If the battery requires replacement use the battery kit M2720 64001 This contains a replacement battery already fitted into a replacement battery drawer a special tool for removing the battery drawer an instruction sheet For details of how to replace the battery see the Instruction Sheet R...

Page 66: ...6 Preventive Maintenance and Safety Battery Exchange 60 ...

Page 67: ... below Check that the power cord is firmly connected to the base station Check the condition of the power cable and replace it if damaged or if there are any defective connections Check that the power cord is properly connected to the AC mains supply Check the fuses and replace if necessary See Changing Fuses on page 22 System Reset Always reset the system as the first troubleshooting step With th...

Page 68: ...ame serial number and error E5 is displayed on the base station Change the serial number of one of the transducers by using the Service Support Tool with a valid access code see Service Support Tool Help or replace one of the transducers with one from another base station Two or more transducers use the same frequency Reasons There is more than one fixed frequency base station with the same channe...

Page 69: ...frequencies If necessary change the frequencies Refer to the Service Support Tool Help for details Are there other Avalon systems in the same location with the same frequency range In the case of multiple cordless telemetry installations allocate a unique fixed frequency to each system Is the transducer battery performance suspect Charge the battery If battery performance is still not satisfactory...

Page 70: ...ne also indicates a hook then the magnet in the basestation is not positioned correctly Place the transducer indicating a hook into another slot If the hook is shown again then the reed switch in the transducer may be defective Confirm by docking another good transducer into the same slots It should now NOT show a hook Operation blocked due to an error E1 An error has occurred which may indicate a...

Page 71: ...cate an RF related problem A problem is likely to be an RF problem if it causes any of the following conditions Weak or intermittent signals or signal loss see also Area of Reach on page 66 Interference see also RF Interference on page 68 The most likely reason for RF problems is a missing or inoperative antenna Check that it is properly connected to the base station If the antenna is properly con...

Page 72: ...frequent extended periods of signal loss need to be investigated Observe the system in operation Does the system operation appear normal If not what seems abnormal about it What warning indicators are on Question the User Determining exactly what the user is complaining about can be difficult RF signals are subject to interference and are inherently less reliable than signals passing through cable...

Page 73: ...ys to define the area of reach Watching the indicator warning lamps on the base station Watching the Received Signal Strength Indicator RSSI using a PC and the Service Support Tool Refer to the Service Support Tool Help for more details Using the Base Station How to proceed 1 Connect the base station to the fetal monitor 2 Switch on the fetal monitor s recorder 3 Register the transducers to the ba...

Page 74: ...F signal will show as dropouts on the recorded trace This indicates that you are close to the operating limit of the RF signal range 8 Repeat to cover the whole area of intended operation This is the limit of the range where the system can transmit and receive parameter measurements reliably RF Interference You may encounter RF related problems other than those associated with the area of reach Pr...

Page 75: ...e are other pieces of electrical equipment especially RF devices using the same frequency range Guidelines for Channel Frequency Configuration 1 Where there is no significant RF interference no other telemetry devices and a small number of Avalon CTS systems ten or less are installed then the standard configuration with automatic free channel search should be used 2 If interference from other RF s...

Page 76: ... is shipped with a default channel spacing appropriate for the country in question and normally this requires no adjustment If it there are transducers working close to each other from the same base station and the transducers are interfering with each other exhibited for example by a noise on the ultrasound channel you can make the channel spacing wider only after consulting Philips Support You c...

Page 77: ...xed frequencies cannot be exchanged so easily Transducers for Japan Transducers for Japan must use fixed frequencies They are initially shipped from the factory with no frequencies assigned to them During installation they are initialized and their frequencies are set This can only be done once and if it needs to be done again an access code must be obtained from the factory Refer to the Service S...

Page 78: ...pport Tool Help for details NOTE You can only set the country once If you need to reset the country code you need an access code Please contact Philips Support Ensure that the frequency channels you set comply with any local regulations and that these channels do not cause interference or conflict with any other telemetry devices TestingTransducers This section shows you how to carry out an electr...

Page 79: ...sing a Pencil A sound should be heard for each crystal tested The pencil should be held two to three centimeters from the transducer surface when the test is carried out Figure 5 Position of Crystals in an Ultrasound Transducer 4 A sound should also be heard when the transducer is moved back and forth over a solid surface or the hand as shown below Figure 6 Checking an Ultrasound Transducer psm18s...

Page 80: ...recorder is switched on the date time mode and paper speed are printed on the recorder trace 2 Press the transducer s Toco sensor firmly and look for a deflection on the display and recorder The external Toco display maximum is 127 units 3 Lay the transducer face up on a hard flat surface for a few seconds so that the belt button and the take out aid end of the transducer make contact with the sur...

Page 81: ... monitor shows nop with the adapter cable M1362B attached For Avalon FMxx monitors Ensure that the DFHR channel display on the fetal monitor shows the DECG LEADS OFF INOP with the DECG adapter cable attached 4 Take a new sterile Fetal Scalp Electrode and connect it to the DECG adapter cable 5 EITHER Make a short between the spiral elctrode and the reference electrode with your fingers it is best t...

Page 82: ...or annotated on the recorder strip 4 EITHER Attach electrodes to the MECG adapter cable and apply the electrodes to the skin for example on the wrists OR Attach the MECG adapter cable to a patient simulator Note We do not recommend the use of a specific patient simulator The use of a patient simulator does not allow checking the specification of the ECG Functionality it allows only a check of gene...

Page 83: ...ing Contacts on page 65 Function buttons Display window LEDs Magnets Function Buttons If any of the buttons fail to function reset the system see System Reset on page 61 If an individual button fails to work try to solve the problem by renewing the top cover see Removing the Top Cover Assembly on page 20 and Replacing the Top Cover Assembly on page 21 If all the function buttons fail to work then ...

Page 84: ...if you pick up and gently shake the base station and you can hear something moving inside then it is likely that one or more of the three magnets has been dislodged To investigate further 1 Remove the top cover assembly see Removing the Top Cover Assembly on page 20 2 Try to refit the magnet it should snap back into place 3 If the magnet does not snap into place then the plastic lugs that hold the...

Page 85: ...et using a PC with the Service Support Tool installed This is the recommended method manually using the keys on the base station The A settings can only be set manually using the keys on the base station Configuration Settings The Instructions for Use describes how to manually change the theft protection level C1 theft protection alert volume C2 key click volume C3 audible alert volume C4 and acou...

Page 86: ...abled on the base station as follows Step Action Display looks like 1 Press the two arrow keys simultaneously The bed label blinks the two digit display goes blank 2 Press three times to enter the F settings F flashes in the display 3 Press F1 appears and the 1 blinks 4 Press again Two digit display shows the current setting 1 0 numeric characters only 1 1 mixed alphabetic and numeric characters 5...

Page 87: ... setting 2 0 automatic channel search 2 1 fixed frequency 6 Press or to change the setting 7 Press to accept the new setting and return to normal operation Step Action Display looks like Step Action Display looks like 1 Press the two arrow keys simultaneously The bed label blinks the two digit display goes blank 2 Press three times to enter the F settings F flashes in the display 3 Press F1 appear...

Page 88: ...s Function Settings 82 6 Press or to change the setting for the spacing 7 Press to accept the new setting and return to normal operation Step Action Display looks like To Purchase Visit Avobus com or call 1 800 674 3655 ...

Page 89: ...twice to enter the A settings A flashes in the display 3 Press A1 appears and the 1 blinks 4 Press once to increment A setting to 2 5 Press Two digit display shows the software revision in the format A XX XX as a sequence For example revision A 01 00 is shown in the following way This cycles for 30 seconds before the display reverts back to normal Transducer display if docked Base station display ...

Page 90: ...reverts to normal Step Action Display looks like Step Action Display looks like 1 Press the two arrow keys simultaneously The bed label blinks the two digit display goes blank 2 Press twice to enter the A settings A flashes in the display 3 Press A1 appears and the 1 blinks 4 Press twice to increment A setting to 3 5 Press Base station display shows two segment bars for the duration of the check ...

Page 91: ...tion DVD ROM PC interface cable for the Service Support Tool M1360 61675 Downloadable software upgrade file instructions for the download procedure come with the software package Contact Philips Support for further details Refer to the Service Support Tool Help for details of the upgrade procedure For tests to perform after upgrading see When to Perform Safety Tests on page 46 Please refer to your...

Page 92: ...9 Upgrades 86 ...

Page 93: ... Range Operating 5 to 95 relative humidity 40 C 104 F Storage 5 to 85 relative humidity 50 C 122 F Altitude Range Operating 3000m 9800 ft Storage 15000m 49000 ft Base Station Specifications Receiver Unit Power Supply Voltages 100 VAC to 240 VAC 10 Supply Frequency Range 50 Hz to 60 Hz Consumption 15 VA Type of Protection Against Electrical Shock Class I equipment Dimensions and Weight Size mm in w...

Page 94: ... 0 5m 1 64 ft immersion for 5 hours Dimensions and Weight Size diameter 10 cm 3 94 in Weight 140 g 4 8 oz Battery Type Lithium Ion Capacity 16 hours 700mAh Life 500 charge discharge cycles with new battery at 25 C 77 F Transducer Storage Time 1 year at 25 C 77 F battery full 1 month at 25 C 77 F battery empty Recharging Time 100 charged 3h 66 charged 1h Forced discharge current approx 45mA Dischar...

Page 95: ...for use Contact Philips Support for further information 608 0125 to 613 9875 MHz US medical telemetry WMTS band Canada Australia and New Zea land Frontends US Frontend US Intensity Peak negative acoustic pressure p_ 27 4 4 6 kPa Output beam intensity temporal average power area Iob 2 64 0 83 mW cm2 Spatial peak temporal average intensity Ispta 7 0 2 3 mW cm2 US Frequency 1 MHz US Signal range 3 5 ...

Page 96: ...nication Protocol Serial 1 start bit 1 stop bit 8 data bits no parity Serial Communication Voltage Levels Unipolar 3 V Receive mark 0V space 3 V Transmit mark 0 V space high impedance requires pull up resistor Communication Speed fixed 1200 Baud Max Output Current for External Devices 100 mA electronically limited Output Voltage for External Devices 3 V 2 Cable Type Option Number Part Number Lengt...

Page 97: ... 60601 1 2 Test Level Compliance Level Electromagnetic Environment Guidance Electrostatic discharge ESD IEC 61000 4 2 6 kV contact 8kV air 6 kV contact 8kV air Floors should be wood concrete or ceramic tile If floors are covered with synthetic material the relative humidity should be at least 30 Electrical fast transient burst IEC 61000 4 4 2 kV for power supply lines 1 kV for input output lines 2...

Page 98: ...EC 61000 4 6 IEC 60601 1 2 Test Level over 150 kHz to 80 MHz Frequency Range where Immunity Level is below IEC 60601 1 2 Test Level at certain frequencies Known RF Sources within Frequency Range Worst Case Immunity Level within Frequency Range Electromagnetic Environment Guidance Recommended Separation Distance d in Meters at Frequency Range Tested for Ultrasound and ECG Measurements Note The devi...

Page 99: ...Frequency Range Worst Case Immunity Level within Frequency Range Electromagnetic Environment Guidance Recommended Separation Distance d in Meters at Frequency Range Tested for Ultrasound and ECG Measurements Note The device meets the compliance level of 3 0 V m according to IEC 60601 1 2 for most of the specified test frequency range However within the frequency ranges specified in this table ther...

Page 100: ...s and Standards Compliance Section Electromagnetic Compatibility The essential performance is specified separately for non transient and for transient electromagnetic interference Essential Performance for Non Transient EMC Phenomena Radiated electromagnetic fields Conducted disturbances induced by RF fields Conducted disturbances induced by magnetic fields Voltage dips voltage variations Rated Ma...

Page 101: ... over the specified measurement ranges Alarming on heart rate limit violation within specified delay time Toco Extern Measurement of the external Toco within specified error limits and over the specified measurement range Ultrasound Measurement of the fetal heart rate within the specified error limits and over the specified measurement ranges Alarming on heart rate limit violation within specified...

Page 102: ...10 Specifications Essential Performance 96 ...

Page 103: ...refitting and verify that it is fully closed before use Correct use Recycle according to local laws Incorrect use x1 x1 Use only this tool to open drawer M2720 64001 Battery Replacement Kit Contents x1 Central insertion point unmarked Old battery New battery Old battery New battery Old battery Silicone grease inside gasket continued 10 To Purchase Visit Avobus com or call 1 800 674 3655 ...

Page 104: ...A Removing and Replacing the Transducer Battery 98 Wipe off excess silicone grease ...

Page 105: ...cer Belt Button CAUTION NEVER immerse a transducer in liquid if the belt button has been removed or is loose broken or damaged Dispose of item Broken Knob M2720 64002 Replacement Belt Button Kit Contents x3 x1 4x If the Button is Broken GO TO ...

Page 106: ...B Removing and Replacing the Transducer Belt Button 100 To Purchase Visit Avobus com or call 1 800 674 3655 ...

Page 107: ...ord of the frequency details of each system Contact Philips Support before changing the channel spacing Base Station ID Bed Label Number and Serial Number Excluded Frequencies up to four ranges Base Station Fixed Frequencies Transducer Fixed Frequencies Base Frequency F3 Setting Channel Spacing US Toco ECG ...

Page 108: ...C Avalon CTS Frequency Table 102 ...

Page 109: ...mounting system on 7 FIC 78 83 fixed frequencies 70 enabling disabling 80 frequency bands ISM 11 japan 11 WMTS 11 frequency offset selection 81 frequency options 89 frontends AUX specifications 90 ECG specifications 90 specifications 89 Toco specifications 89 US specifications 89 function buttons troubleshooting 77 function settings 80 bed label appearance 80 fixed frequencies 80 frequency spacing...

Page 110: ...87 monitor interface 88 receiver unit 87 Toco frontend 89 transducer 88 US frontend 89 storage temperatures 6 storage time for transducers 88 supplies 43 symbols on system 3 antenna input 4 attention 3 Class 2 radio eqpt 4 equipotential terminal 3 IP68 4 IPX1 4 power stand by indicator 3 switch 3 prot earth terminal 4 service socket 4 type CF eqpt 4 T temperatures operating 6 storage 6 testing aft...

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Philips Avalon CTS M2720A, Service Manual

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