Electronic Stethoscope
Contents
1. Indicates Type B Equipment The equipment provides protection against electrical shock and electrical current leakage IPX4 Protected against splashing liquid chestpiece only This product and package do not contain natural rubber latex Each Littmann Electronic Stethoscope Model 4100 has a serial number beginning with SN T Indications The Littmann Electronic Stethoscope Model 4100 is intended for medical diagnostic purposes only It can be used for the amplification of heart lung and other body sounds with selective frequency filtering The Model 4100 can also be used for recording playback and transmitting receiving of heart lung and other body sounds This product is not designed sold or intended for use except as indicated A Caution Stethoscope not suitable for use in the presence of a flammable anesthetic mixture with air or with oxygen or nitrous oxide Failure to follow directions general use and maintenance recommendations could result in damage to the device or possible injury to the user Damage could cause malfunction of the product ranging from a slight decrease in auditory response to complete failure of the product Half speed playback is for reference and should not be the only basis for diagnosis Ttis the responsibility of the clinician to assure that all recordings and data transmissions correspond to the appropriate patient data Transmissions of soundtracks to a computer are for2. When this occurs the batteries should be replaced within two hours of continuous use When the batteries are no longer able to power the Model 4100 stethoscope the stethoscope will automatically turn off All recorded sounds and settings are saved The Model 4100 will not function if the batteries are depleted Insert batteries as shown Battery Compartment __ Electronic Controls The chestpiece of the Littmann Electronic Stethoscope Model 4100 contains six buttons On Off Soundtrack Selector Volume Decrease Volume Increase Record The battery compartment of the Model 4100 contains three buttons and the infrared port Receive Infrared Port Transmit Electronic Control Quick Reference Refer to Operai Press the ON OFF button to turn the stethoscope on Press the ON OFF button for On Off Soundtrack Selector Volume Decrease Volume Increase Record Frequency Mode Selector Receive Transmit Play al ion section for complete instructions proximately two seconds to turn the stethoscope off Pressing the ON OFF button cancels the current action for example to stop a playback transmission or reception of a soundtrack There are six soundtracks available on the Model 4100 Press the SOUNDTRACK SELECTOR button once to display soundtrack one press again to advance to the next sound track Press the VOLUME DECREASE button to decrease the soun
3. arrow will blink until the infrared connection is made 4 Transmission is indicated on the Model 4100 display by a rotating LJ 5 Progress of the transmission is shown on the Model 4100 display with the ansni symbol To stop the transmission press the ON OFF button on either stethoscope Sending a copy of a soundtrack to a computer using Microsoft Windows 98 2000 XP with an infrared IR port 1 Select the soundtrack to be transmitted 2 Position the two IR ports within two feet 3 Press the Model 4100 TRANSMIT button The arrow will blink until the infrared connection is made 4 Transmission is indicated on the Model 4100 display by a rotating LJ The computer status bar will display two red lights flashing towards one another 5 Progress of the transmission is shown on the Model 4100 display by thea ama M88 symbol 6 WINDOWS 98 Downloaded soundtracks are stored in C My Received Files WINDOWS 2000 Downloaded soundtracks are stored in C Documents and Settings username Desktop and appear on the desktop 7 The soundtrack filename format is Trk e4k is the soundtrack number on the stethoscope Example soundtrack 2 Trk2 e4k If the default soundtrack filename already exists a new name Copy of Trk e4k or Copy of Trk e4k is given example soundtrack 2 Copy of Trk2 e4k is the number of duplicates from the same soundtrack It is advisable to rename the sound
4. to your PC from a handheld device you can simply dock your handheld device and let your PC handheld software e g Microsoft Active Sync transfer files for you Once transferred you can use standard PC file manager to move and rename files as desired Transferring Sound Track from PC to Handheld Device 1 To transfer sound track from your PC to handheld device a Open file manager program on PC and identify which file you want to transfer b Align IR ports within 2 feet of each other c Send file from PC to handheld d Accept file on handheld OR 2 To transfer sound track from your PC to your handheld device you can simply locate file you want to transfer put it into correct directory on your PC and then dock your handheld device Let your PC handheld software e g Microsoft Active Sync transfer files for you Once transferred you can use standard handheld file manager to move and rename files as desired Note The soundtrack filename is not transmitted to the stethoscope If appears in the display of the stethoscope refer to the Error Messages section of this manual to determine a possible cause Error Messages If Er shows while transmitting data to another Model 4100 or a computer The path of infrared light may be blocked Position the infrared ports at each other and retry the operation The infrared port may be dirty Clean both infrared ports The Model 4100 was removed before the soundtrack was
5. C2 1 519 668 3663 Outside of the United States and Canada contact your local 3M subsidiary for maintenance and repair information Appendix Operating conditions Temperature 0 C 50 C 0 95 RH 700 1060 hPa Humidity Pressure Normal storage conditions Temperature 0 C 50 C 0 95 RH 700 1060 hPa Humidity Pressure Table 201 Short term storage up to 96hrs Temperature 20 C 60 C Humidity 0 95 RH Pressure 700 1060 hPa Table 202 Declaration Electromagnetic Immunity The 3M Littmann Electronic Stethoscope Model 4100 is intended for use i The customer or the user of Model 4100 should assure that it is used in such the electromagnetic environment specified below an environment Declaration Electromagnetic Emissions The 3M Littmann Electronic Stethoscope Mode The customer or the user of the Model 4100 sho 4100 is intended for use in the electromagnetic enviro ld assure that it is used in such an environment ent specified below Emissions test Compliance Electromagnetic environment guidance RF emissions CISPR 11 Group 1 The Model E4100 uses RF energy only for its internal function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF emissions CISPR 11 Class B The Model E4100 is suitable for use in all establishments
6. completely transferred Do not move the stethoscopes until the LJ is finished rotating The Model 4100 may be exposed to excessive electromagnetic or radiofrequency interference EMI RFI Remove the source of noise If none of these issues is the cause of the Er message refer to the Littmann Stethoscope Service and Warranty section Headset Positioning Your new Littmann Electronic Stethoscope Model 4100 is designed to give you a very comfortable acoustically sealed ear fit Notice that the eartubes are permanently set at an angle to accommodate the typical anatomy of the ear canal The eartips should point in a forward direction as you insert them into your ear canals Incorrect To reduce spring tension in the headset hold each eartube at the bend near the eartip and gradually pull apart until fully extended 180 degrees To increase spring tension grasp the headset with one hand where the eartubes enter the plastic tubing and squeeze until the plastic tubing on one eartube touches the other Repeat as necessary Increase Tension For maximum acoustic performance comfortable patented Littmann Soft Sealing Eartips are provided with your stethoscope The stethoscope utilizes a unique design for attaching the eartip to the eartube The eartips are pushed on to the end of the eartube and snapped tight To remove pull firmly on the eartip Additional Littmann eartips are available To order con
7. d RF 3 Vrms Not applicable d 12 vP IEC 61000 4 6 150 kHz to 80 MHz Radiated RF 3 V m 3 V m d 1 2 v P 80 MHz to 800 MHz IEC 61000 4 3 80 MHz to 2 5 GHz 80 MHz to 2 5 GHz d 2 3 v P 800 MHz to 2 5 GHz where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer and d is the recommended separation distance in meters m Field strengths from fixed RF transmitters as determined by an electromagnetic site survey l ould be less than the compliance level in each frequency range Interference may occur in the vicinity of equipment marked with the following symbol NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electr structures objects and people magnetic propagation is affected by absorption and reflection from For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the frequency of the transmitter where P is the transmitter in watts W according to the transmitter manufacturer NOTE 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies aximum output power rating of the NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and peop
8. d level Press the VOLUME INCREASE button to increase the sound level Press the RECORD button for one second to record sound onto the selected soundtrack Press again to stop recording Press the FREQUENCY MODE SELECTOR button to select Bell Diaphragm or Extended Range Press the RECEIVE button to receive a soundtrack from another Model 4100 or computer Press the TRANSMIT button to transmit the displayed soundtrack to another Model 4100 computer or handheld device Press the PLAY button to hear the selected soundtrack The display panel will indicate that the playback is at normal speed Press and hold the PLAY button for two seconds to play back in half speed The display panel will indicate that the playback is at half speed To return to normal speed press the PLAY button again Stop playback by pressing the ON OFF button Display Panel 0 gt m1898 sen The above picture demonstrates the graphics that are used on the Model 4100 display panel As a functional test when the Model 4100 is turned on all the graphic indicators as shown above will be briefly displayed After this brief test the display will then indicate the current listening mode and the volume setting The factory setting for listening mode is Bell mode and a volume setting of level three If Er is shown on the display refer to the Error Message section When the display It means panel shows h Blinking means the two batte
9. ed normal storage conditions are from 32 F to 122 F 0 C to 50 C 15 to 95 relative humidity Failure to follow care and maintenance recommendations could result in damage to the internal components of the Model 4100 Internal damage could cause malfunction of the product ranging from a slight decrease in auditory response to complete failure of the product If you experience any problems with the Model 4100 do not attempt to repair it yourself Please notify the 3M Health Care Service Center for directions on how to return the product for repair Littmann Stethoscope Service and Warranty Program The Littmann Electronic Stethoscope Model 4100 is warranted against any defects in material and manufacture for a period of two years If a material or manufacturing defect is discovered during the warranty period repairs will be made without charge upon the return of the instrument to 3M except in cases of obvious abuse or accidental damage For technical questions call the 3M Health Care Tech Line at 1 800 441 1922 For maintenance or repair services in the United States send your stethoscope directly to 3M Health Care Service Center 3M Building 502 1 W 01 3350 Granada Ave N Suite 200 Oakdale MN 55128 1 800 292 6298 Enclose your name address phone number and reason for repair with your stethoscope Tn Canada 3M Health Care Service Center 3M Canada Inc 80 Enterprise Drive South London Ontario Canada N6N1
10. ept file click on yes 5 Progress of file transfer is shown on the Model 4100 display with the yp symbol 6 The transferred file name format is Trk e4k the soundtrack number on the stethoscope 7 Repeat steps through 6 for additional track transfers Prompts may vary between versions of Windows and they are the responsibility of the Microsoft References to Windows as it pertains to use of the Littmann Electronic Stethoscope Model 4100 are for clarification only Please consult your Microsoft users manual for specific instructions Microsoft and Windows are trademarks of Microsoft Corporation Receiving a Copy of Soundtrack on Model 4100 from Handheld Device 1 Open up file manager program on handheld device and identify which file you want to transfer 2 Align Model 4100 and handheld IR ports within two feet of each other 3 Press receive button on Model 4100 4 Send file from handheld to Model 4100 5 Transmission of the file is indicated on the Model 4100 display by a rotating LJ 6 Progress of file transfer is shown on the Model 4100 display with the symbol Transferring Sound Track from Handheld device to P 1 To transfer sound track to your PC from a handheld device a Align IR ports within 2 feet of each other b Open file manager program on handheld and identify which file you want to transfer c Send file from handheld to PC d Accept file on PC OR 2 To transfer sound track
11. es greater than the best conventional stethoscopes the Model 4100 is specially designed to pick up difficult to hear heart and other body sounds without amplifying sounds you don t want to hear Three frequency modes are available for optimal heart and lung auscultation Bell Diaphragm and Extended Range The Model 4100 offers recording storage and playback capabilities using six separate soundtracks Instant playback is available at normal and half speed Additionally the Model 4100 provides infrared data transmission of recorded sounds to another Model 4100 an IBM compatible PC Pocket PC or Palm Pilot giving you the option of sharing or storing the sounds Other features include digital signal processing over the entire acoustic range built in display for easy viewing of the heart rate patient friendly nonchill diaphragm with a proprietary low friction surface and patented 3M Littmann Snap Tight Soft Sealing Eartips for excellent acoustic seal and comfortable fit Plus the Model 4100 operates on just two AAA alkaline batteries Most of all know that the Model 4100 carries the Littmann brand name the name known worldwide for unsurpassed quality As a trusted leader in auscultation technology the Littmann brand of stethoscopes is your assurance of acoustic superiority innovative design and exceptional performance The following symbols are applicable to this device e Attention see instructions for use
12. every two seconds For heart rates below 30 bpm or before the initial reading the display shows two dashes Heart rates above 199 bpm will flash the number 199 Heart rate is not displayed during recording or playback Recording The acoustic based heart rate display functions best when the Model 4100 is placed near the apex of the patient s heart If the heart rate changes from consistent to inconsistent or if there is excessive ambient noise patient movement or lung sounds during auscultation the heart rate display number will flash or display two dashes The flashing heart rate will change to two dashes after 10 seconds of inconsistent sounds or no heart rate detection Playback Select any one of the six soundtrack by pressing the SOUNDTRACK SELECTOR button one or more times The selected soundtrack is displayed A number shown by itself indicates an empty track A number shown with the indicates a recorded soundtrack Recording on a soundtrack that displays the UJ will erase the currently stored sound Press the ON OFF button to return to the heart rate display Press and hold the RECORD button for one second The record symbol will flash in the display Press the record button again to stop recording Wait for approximately two three seconds after an auscultation event before pressing the RECORD button to stop recording Each soundtrack has a recording duration of eight seco
13. file to be transmitted and select Send To Infrared Recipient 5 Transmission is indicated on the Model 4100 display by a rotating LJ The computer status bar will display two red lights flashing towards one another a Progress of the transmission is shown on the Model 4100 display with the ananiil symbol The Model 4100 is compatible with the following handheld computer operating systems Pocket PC operating systems 2002 2003 Palm Pilot operating systems 4 and 5 Palm Pilot operating systems 4 and 5 must have a proper FILE MANAGER installed that is set up to accept e4k file extension to work UniCMD can be used for beaming and for accepting e4k files on Palm Pilots Remember to set up UniCMD to accept e4k files and use the Send command to transmit from the PDA Note that UniCMD stores the files in an application specific format which is not directly usable from other applications on the PDA Example Using UniCMD for accepting e4k files and using FileZ for beaming the received files will not work as the files transmitted and received will not be the same file is modified with additional bytes Sending a Copy of Soundtrack to Handheld Device from Model 4100 1 Select sound track to be transmitted 2 Position the two infrared IR ports within two feet of each other 3 Press the Model 4100 transmit button The LJ will rotate until the file is transferred 4 When handheld asks you to acc
14. including domestic establishments and those directly connected to the public low voltage power supply network used for domestic purposes Harmonic emissions IEC 61000 3 2 ot applicable Voltage fluctuations flicker emmisions IEC 61000 3 3 ot applicable 11 Immunity test IEC 60601 test level Compliance level Electromagnetic environment guidance Electrostatic 6 KV contact 6 KV contact Floors should be wood concrete or ceramic discharge ESD 8 KV air 8 kV air tile If floors are covered with synthetic material EC 61000 4 2 the relative humidity should be at least 30 Electrical fast 2 KV for supply lines Not applicable transient burst 1 KV for input output lines EC 61000 4 4 Surge 1 KV differential mode Not applicable EC 61000 4 5 2kV common mode Voltage dips short lt 5 Ur Not applicable interruptions and gt 95 dip in Ur voltage variations for 0 5 cycle n power supply ines 40 Ur EC 61000 4 11 60 dip in Ur for 5 cycle 70 Ur 30 dip in Ur for 25 cycle lt 5 Ur gt 95 dip in Ur for 5 sec Power frequency 3A m 3 A m Power frequency magnetic fields should be at 50 60 Hz levels characteristic of a typical location in a typical magnetic field commercial magnetic field or hospital environment IEC 61000 4 8 12 Table 204 Declaration Electromagnetic Immunity Continued Table 206 The 3M Littma n Electronic Ste
15. ja Made in Denmark for 3M Health Care St Paul MN 55144 U S A 1 800 228 3957 Fax 651 736 2803 Visit our web site http www 3M com Littmann A Attention see instructions for use CE 0086 3M Health Care D 41453 Neuss Germany 3M is a trademark of 3M Littmann is a registered trademark of 3M 38 9018 6521 2 3M 2005 Littmann A Brand S J Electronic Stethoscope 101D aro with Ambient Noise Reduction a K 4 r d AMPLIFY AND RECORD THE SOUN HEAR WITH LESS DISTRACTING A 4100 e Amplification up to 18 times greater than the best conventional Littmann stethoscopes f ANT TO NOISE e Reduction of unwanted ambient noise by up to 75 e Recording and playback capability e Playback capability at normal or half speed e Easy to switch between frequency modes bell diaphragm and extended range e Heart rate display Versatile chestpiece can accommodate infant pediatric and adult patients e Uses two AAA batteries English 3M Littmann Electronic Stethoscope Model 4100 Congratulations on the purchase of your new Littmann Electronic Stethoscope Model 4100 the next generation electronic stethoscope that offers the very latest in advanced auscultation technology and now features ambient noise reduction technology patent pending that reduces up to 75 of distracting room noise This powerful state of the art electronic stethoscope provides superior acoustics With amplification up to 18 tim
16. le 4 Field strengths from fixed transmitters such as base stations amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an el field strength in the location should be observed to verify as re orienting or relocating t b Over the frequency range 150 kHz to 80 MHz fie Model 4100 for radio cellular cordless telephones and land mobile radios ectromagnetic site survey should be considered If the measured in which Model 4100 is used exceeds the applicable RF compliance level above the Model 4100 normal operation If abnormal performance is observed additional measures may be necessary such d strengths sh uld be less than 3 V m 13 14
17. nds Each recording must be at least two seconds in duration The recording process captures the full frequency range and stores it on the soundtrack This allows the ability to change the frequency mode from bell diaphragm or extended range during playback To ensure that clear auscultation sounds are captured do not adjust volume or frequency mode during recording To play back a recording select the desired soundtrack and press the PLAY button When the entire soundtrack has been played there is a one second delay before the soundtrack will play again To end playback press the ON OFF button Half Speed Press and hold the PLAY button Playback for two seconds To stop the continuous half speed and return to normal playback press the PLAY button To end playback press the ON OFF button Erase soundtracks by recording new sounds onto them Erased soundtracks cannot be recovered Erase All Press and hold the SOUNDTRACK Sound tracks SELECTOR button for tw seconds This use with caution will erase all soundtracks Erased soundtracks cannot be recovered Data transmission to another Littmann Electronic Stethoscope Model 4100 1 Select the soundtrack to be transmitted and the soundtrack to receive the transmission Erase Single Soundtracks 2 Position the two IR ports within two feet 3 Press the RECEIVE button on the receiving Model 4100 then press the TRANSMIT button on the transmitting Model 4100 The
18. o the heart rate section If the display is blinking 199 the heart rate is above 199 bpm and cannot be displayed Error Message See Error Message section of this manual Press the ON OFF button on the Littmann Electronic Stethoscope Model 4100 The factory or personalized setting will be in operation The Model 4100 automatically turns off three minutes after the last actuation of any button Press the ON OFF button within 10 seconds of automatic power off and the same settings will be restored If longer than 10 seconds have transpired the Model 4100 will power up at your personalized setting or factory setting Note the stethoscope will not power off automatically during a data transmission Press the VOLUME INCREASE or VOLUME DECREASE button The sound volume bar displays the change Press the FREQUENCY MODE SELECTOR button to select one of the frequency ranges Bell Diaphragm or Extended The selection is indicated on the display panel Personalized Setup Heart Rate Select Soundtrack The Model 4100 is factory set in bell mode and sound level 3 To personalize setup select the desired frequency mode and volume level and then press and hold the FREQUENCY MODE SELECTOR button for two seconds The Model 4100 will now function with these settings on startup The Model 4100 detects and displays an acoustic based heart rate It takes five seconds to compute the initial heart rate and is updated
19. ries are almost depleted eeeQQQ0E The sound volume has eight levels The bar shows the current sound level increasing from the left The more bars visible the higher the sound level When one element is displayed the sound level is similar to a typical acoustic stethoscope This is also used to indicate soundtrack reception or transmission progress during data transmission Bell mode Diaphragm mode Extended range mode The extended range amplifies sound from a broader range of frequencies than the bell or diaphragm mode Playing a recorded sound at normal speed Playing a recorded sound at half speed Recording a sound Transmitting a recording The arrow will blink until the infrared connection is made After connection is made the arrow will no longer blink Receiving a recording The arrow will blink until the infrared connection is made After connection is made the arrow will no longer blink The number displayed indicates the soundtrack currently selected The symbol L indicates that the soundtrack is occupied by a previous recording If Wis not displayed the soundtrack is vacant When the is rotating a sound transmission is in progress is located below the number of the soundtrack you have selected 199 Er Operation Power On Automatic Power Off Change Sound Volume Level Change Frequency Mode A number displayed is the heart rate If two dashed lines are displayed refer t
20. storage purposes only Soundtracks should not be listened to from a computer for diagnostic purposes The Littmann Electronic Stethoscope Model 4100 has been tested to be resistant to both electromagnetic fields EMI and electrostatic discharge ESD However it may be susceptible to very strong RF signals or portable and or mobile RF devices When using your stethoscope if you hear sudden or unexpected sounds you may be in close proximity to a strong radio transmitter If this should occur move away from the radio s transmitting antenna Use only AAA alkaline batteries The Model 4100 will not function if the batteries are depleted Do not immerse the stethoscope in any liquid or subject it to any sterilization processes The entire Model 4100 can be wiped clean with alcohol At the end of this device s useful life dispose or recycle in accordance with your local state and governmental regulations Tf you have any problems with the Model 4100 do not attempt to repair it yourself Refer to the Service and Warranty section of this manual Instructions for Use Battery When used in a typical setting the Littmann Electronic Stethoscope Model 4100 will operate for about one month on two AAA alkaline batteries Using the recording options or infrared data transfer will reduce the average battery life When the batteries are close to depletion the LOW BATTERY indictor located on the display will blink
21. tact your Littmann Stethoscope distributor or the 3M Health Care Service Center Cleaning of the Diaphragm Under normal conditions it is unnecessary to remove the diaphragm for cleaning The diaphragm can easily be cleaned by using an alcohol wipe If however it is necessary to remove the diaphragm carefully follow the instructions below Diaphragm Removal With diaphragm side up using a thumbnail lift the underside portion of the diaphragm out of its designated groove and peel it off of the chestpiece The groove that holds the diaphragm in place can be cleaned by sliding the edge of an alcohol swab around the groove All parts of the chestpiece can be wiped down with alcohol IMPORTANT The stethoscope should not be immersed in any solution Excess liquid used in the cleaning process can result in moisture getting into the internal components Diaphragm Reassembly Once the diaphragm is completely dry insert the diaphragm into the groove of the rim starting at one point and run your finger around the diaphragm until it is seated back in the groove Other Considerations The entire stethoscope can be wiped clean with alcohol Do not immerse the stethoscope in any liquid or subject it to any sterilization process Eartips can be removed for a thorough cleaning Remove the battery whenever the stethoscope is stored or will not be used for several months e Avoid extreme heat cold solvents and oils Recommend
22. thoscope Model 4100 is intended for use in the electromagnetic environment specified below The customer or the user of Model 4100 should assure that it is used in such an environment Recommended Separation Distances Between Portable and Mobile RF Communications Equipment and the 3M Littmann Electronic Stethoscope Model 4100 Immunity test IEC 60601 test level Compliance level Electromagnetic environment guidance Portable and mobile RF communications equipment should be used no closer to any part of the Model 4100 including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance The Model 4100 is intended for use in the electromagnetic environment in which the RF disturbances are controlled The customer or the user of the Model 4100 can help prevent electromagnetic interference by maintaining a minimum distance between portable s equipment transmitters and the Model 4100 as recommended below according to the maximum and mobile RF communicatio output of the communications equipment Rated maximum output Separation distance according to frequency of transmitters d m power of transmitter P W 150 kHz to 80 MHz 80 Mz to 800 MHz 800 MHz to 2 5 GHz d 1 2 vP d 23 vP 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 23 10 3 8 3 8 73 100 12 12 23 Conducte
23. track files once they are transmitted to avoid confusion It is not necessary to maintain the file extension e4k If Er appears in the display of the stethoscope refer to the Error Messages section of this manual to determine a possible cause Prompts may vary between versions of Windows and prompts are the responsibility of Microsoft References to Windows as it pertains to use of the Littmann Electronic Stethoscope Model 4100 are for clarification only Please consult your Microsoft user manual for specific instructions Microsoft and Windows are trademarks of Microsoft Corporation Receiving a copy of a soundtrack from a computer using Microsoft Windows 98 2000 XP with an infrared IR port WINDOWS 98 From the Start menu select Start Programs Windows Explorer Open the folder My Received Files and locate the soundtrack file to be transmitted WINDOWS 2000 From the desktop or within the folder that contains the soundtrack file to be transmitted locate the soundtrack file to be transmitted 1 Select the Model 4100 soundtrack to receive the transmitted file Caution If the selected soundtrack contains a recording the transmitted file will replace it Erased soundtracks cannot be recovered wp Position the two IR ports within two feet Press the Model 4100 RECEIVE button The arrow will blink until the infrared connection is made v 4 Immediately right click on the soundtrack
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