user manual - Harris Communications
Contents
1. option in the Setup menu Use the and buttons to scroll through the list of power settings Press and release the M button to select a setting The power settings provide different degrees of power consumption In general the longer the stethoscope remains in an active mode the greater its power consumption The factory default is the LOW level NOTE The Auto Off power management feature is further described below Auto Off enabled Auto Off disabled rowenta fion weaum woh tow vean Hoh 7 To specify the battery type Select the BATTERY option in the Setup menu Use the and buttons to scroll through the list of battery types The LITHIUM battery is a non rechargeable cell especially recommended for low temperature operation of the stethoscope The NIMH battery is rechargeable external charger required Press and release the M button to select a setting The factory default is the ALKALINE battery ALKALINE LITHIUM To specify the preset default volume level Select the SET VOL option in the Setup menu Press and release the M button to select the current level as default The factory default is level 3 To specify the preset default filter setting Select the SET FLTR option in the Setup menu Press and release the M button to select the current filter as default The factory default is the diaphragm filter SETUP SET VOL gt SET FLTR BAcKLITE To specify Backlig2. Eartips should point in a forward direction as you insert them into your ear canals When ear tips are properly positioned diaphragm will face towards your body i Your new Littmann Electronic Stethoscope is designed to give you a very comfortable acoustically sealed fit It comes with two sizes of eartips to assure a perfect fit The large eartips are pre installed Smaller eartips are included in package Please choose the set that is most comfortable for you To remove eartips pull eartips firmly away from eartube To apply new eartips push eartip firmly onto eartube to secure Remove Apply gt a ine a 3 Adjust Headset for Comfort To reduce spring tension in the headset hold each eartube at the bend near the eartips and gradually pull apart until fully extended 180 degrees To increase spring tension grasp the headset with one hand where the metal eartubes enter the plastic tubing and squeeze until the plastic tubing on one eartube touches the other Repeat as necessary 4 Turn On Off This stethoscope comes equipped with an advanced power management system e Manual Turn On Depress and release power button LCD display will activate indicating stethoscope is on e Manual Turn Off Depress and hold power button for two seconds LCD display will shut off indicating stethoscope is off e Auto on with Standby Feature After manual turn on stethoscope will stay on during use but switch to a po
3. 800 MHz the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people
4. sounds as described in the Intended Use section above This manual provides complete information on how to operate the Model 3100 so that no additional operating training is required Functional Description The Model 3100 electronic stethoscope picks up sounds such as heart and lung sounds from a patient s body After amplification and filtering the sounds are sent to the user through a binaural headset The stethoscope chestpiece is designed for use with adult pediatric and infant patients The user interface for the stethoscope includes a 5 button keypad and an LCD display Sound processing is carried out with the aid of a digital signal processor Stethoscope power is provided by a single AA battery in the chestpiece A power management system is included to prolong battery life Serial Number Each Littmann Electronic Stethoscope Model 3100 comes with a unique serial number for easy identification Please record your serial number in this manual for future reference INSTRUCTION FOR USE 1 Insert Battery Insert AA battery provided in package into Stethoscope Hold chestpiece in one hand while slightly twisting the battery cap approximately 25 counter clockwise Remove battery cap Insert new battery with positive end out plus sign will be visible in the battery compartment Remount battery cap twisting cap approximately 25 clockwise until locked Make sure the two marks are aligned 2 Position Headset
5. 0601 test level Compliance level Electromagnetic environment guidance Portable and mobile RF communications equipment should be used no closer to any part of the Model 3100 including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance Conducted RF IEC 3 Vrms Not applicable 1 2 7 P 61000 4 6 150 kHz to 80 MHz Radiated RF IEC 3 V m 3 V m 1 2 v P 80 Miz to 800 MHz 61000 4 3 80 MHz to 2 5 GHz 80 MHz to 2 5 GHz i 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 should be less than the compliance level in each frequency range Interference may occur in the vicinity of equipment marked with the following symbol Cp NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people a Field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To a
6. MODEL 3100 with Ambient Noise Reduction AMPLIFY THE SOUNDS YOU WANT TO HEAR WIT HL ESS DISTRACTING AMBIENT NOISE ti 4 s e Versatile chestpiece can accommodate i e Ergonomic single button operation e Uses one AA battery 3M Littmann Electronic Stethoscope Model 3100 With Ambient Noise Reduction Introduction Congratulations and thank you for choosing the 3M Littmann Electronic Stethoscope Model 3100 The Model 3100 brings you the very latest thinking in advanced auscultation technology and simplicity in operation The Model 3100 s combination of Ambient Noise Reduction technology frictional noise dampening materials state of the art amplification of both bell and diaphragm modes and an all new user interface takes you to the next level in acoustic performance and ease of use Whether you are auscultating infant pediatric or adult patients in quiet or noisy environments or picking up difficult to hear heart and body sounds you ll appreciate all the technology that s been built into this latest electronic stethoscope from the Littmann brand Don t miss the sounds you need to hear SAFETY INFORMATION Please read understand and follow all safety information contained in these instructions prior to using this electronic stethoscope Retain these instructions for future reference Explanation of Safety Related Labels and Symbols Indicates Type B Equipment The equipment provides protection a
7. T option and return to the operating mode of the stethoscope SETUP Io gt EXIT POWER 10 Other Operating Considerations Operating range is 22 to 104 F 30 to 40 C 15 to 93 relative humidity Storage and transport range is 40 to 131 F 40 to 55 C 15 to 93 relative humidity To extend the life of your stethoscope avoid extreme heat cold solvents and oils Remove the battery whenever the stethoscope will not be used for several months If you plan to use the stethoscope below O F 18 C you should use a lithium battery to insure proper function Failure to follow care and maintenance recommendations could result in damage to the internal components of the Littmann Electronic Stethoscope 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 electronic stethoscope do not attempt to repair it yourself Please notify our 3M Health Care Service Center for directions on shipping and receiving MAINTENANCE amp WARRANTY Cleaning Cleaning of stethoscope should be done between each patient use Cleaning the Chestpiece 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 e Diaphragm Removal With po
8. gainst electrical shock and electrical l current leakage Applied parts are considered to be the complete chestpiece with diaphragm and binaural ace Attention see instruction for use IPX4 Protected against splashing liquid chestpiece only This product contains electrical and electronic components and must not be disposed of using standard refuse collection Please consult local directives for disposal of electrical and electronic equipment BOR Both product and packaging do not contain natural rubber latex Indicates Category AP Equipment Tested for use with flammable anesthetic mixture with air Explanation of Signal Word Consequences A CAUTION Indicates a hazardous situation which if not avoided could result in minor injury and or property damage NOTICE Indicates a hazardous situation which if not avoided may result in property damage A CAUTION To reduce the risks associated with infection follow all cleaning and disinfecting instructions included in this manual Establish and follow a cleaning and disinfecting schedule To reduce the risks associated with very strong electromagnetic fields avoid using the stethoscope near strong radio frequency signals or portable and or mobile RF devices If you hear sudden or unexpected sounds move away from any radio transmitting antennas To reduce the risks associated with sharp edges make sure that the soft sealing eartips are snapped firmly into position as shown in th
9. hting duration Select the BACKLITE option in the Setup menu Use the and buttons to scroll through the list of options Press and release the M button to select The factory default is ON DMND Backlight will illuminate for three seconds by depressing and releasing the power button The DISABLE option disables the backlight at all times conserving power The ALWAYS option will illuminate the backlight at all times at a reduced level while the stethoscope is powered on and not in standby mode To select Auto Off power management Select the AUTO OFF option in the Setup menu Use the and buttons to scroll through the list of options Press and release the M button to select The factory default is ENABLE BACKLITE gt AUTO OFF ID The Auto On feature powers on the stethoscope from its standby mode when contact is detected with the diaphragm With the Auto Off feature power will be turned off when user activity is no longer detected the stethoscope returns to its standby mode after a delay equal to the Power On time To obtain model and software version information Select the ID option in the Setup menu Use the and buttons to scroll through the list of reference numbers Press M to return to the operating mode of the stethoscope SERIAL BS 04000 Boot sS sS Sw WER 20 11 05 MODEL S100 To leave the Setup menu Use the M button to select the EXI
10. is manual Use only Littmann replaceable eartips To reduce the risks associated with an incorrect result store and operate this stethoscope only as instructed in this manual As there is no acoustic non amplified mode available with this stethoscope replace the alkaline battery within two hours of the battery life icon beginning to flash in the LCD display Use only type AA batteries Also do not immerse the stethoscope in a liquid or subject it to any sterilization processes To reduce the risk associated with an electrical shock do not use the stethoscope on patients without the stethoscope s diaphragm cover in place To reduce the risks associated with environmental contamination follow applicable regulations when disposing of this stethoscope Properly dispose of or recycle spent batteries No modification of this equipment is allowed Use only authorized 3M service personnel to repair this stethoscope Read understand and follow all the safety information on the battery package Intended Use The 3M Littmann Electronic Stethoscope Model 3100 is intended for medical diagnostic purposes only It may be used for the detection and amplification of heart lungs arteries veins and other internal organs with the use of selective frequency ranges It can be used on any person undergoing a physical assessment Operator Profile The 3M Littmann Electronic Stethoscope Model 3100 is designed to be used by anyone who wishes to listen to
11. or accidental damage For Maintenance or Repair Services Please include your name physical address e mail address and phone number inside with your stethoscope In the U S A send your stethoscope directly to 3M Health Care Service Center 3M Bldg 502 1W 01 3350 Granada Ave N Suite 200 Oakdale MN 55128 1 800 292 6298 In Canada send your stethoscope directly to 3M Health Care Service Centre 3M Canada Inc 80 Enterprise Drive South London Ontario Canada N6N1C2 1 800 563 2921 Outside of the U S A and Canada contact your local 3M subsidiary for maintenance and repair information 11 APPENDIX Declaration Electromagnetic Emissions Declaration electromagnetic immunity The 3M Littmann Electronic Stethoscope Model 3100 is intended for use in the electromagnetic environment specified The 3M Littmann Electronic Stethoscope Model 3100 is intended for use in the electromagnetic environment specified below The customer or the user of Model 3100 should assure that it is used in such an environment below The customer or the user of the Model 3100 should assure that it is used in such an environment Immunity test IEC 60601 test level Compliance level Electromagnetic environment guidance Emissions test Compliance Electromagnetic environment guidance Electrostatic discharge 6 kV contact 6 kV contact Floors should be wood concrete or RF emissions CISPR 11 Model 3100 uses RF energy only f
12. or its internal function ESD IEC 61000 4 2 8 kV air 8 KV air ceramic tile If floors are covered with Therefore its RF emissions are very low and are not likely to synthetic material me relative humidity cause any interference in nearby electronic equipment should be at least 30 Model 3100 is suitable for use in all establishments including Poele ee T domestic establishments and those directly connected to burst IEC 61000 4 4 1 kV for input output lines A ee ees tie public low voltage power supply network that supplies Surge IEC 61000 4 5 1 kV differential mode Not applicable buildings used for domestic purposes 2 KV common mode IEC 61000 3 3 Power frequency 3 A m Power frequency magnetic fields should 50 60 Hz magnetic be at levels characteristic of a typical field IEC 61000 4 8 location in a typical commercial magnetic field or hospital environment Voltage dips short lt 5 UT gt 95 dip in UT for Not applicable interruptions and 0 5 cycle voltage variations on 40 UT 60 dip in UT for power supply lines IEC 5 cycle 61000 4 11 70 UT 30 dip in UT for 25 cycle lt 5 UT gt 95 dip in UT for 5 sec 12 13 Declaration electromagnetic immunity continued The 3M Littmann Electronic Stethoscope Model 3100 is intended for use in the electromagnetic environment specified below The customer or the user of Model 3100 should assure that it is used in such an environment Immunity test IEC 6
13. rs of continuous use In a typical clinical setting this represents about three months As the alkaline battery life depletes the icon will change as follows SER 50 100 battery life I 25 50 battery life E n 10 25 battery life 0 10 battery life The battery icon begins to blink when only a few hours of battery capacity remains A CAUTION When the battery is completely depleted the scope becomes inoperable No sound will be transmitted without a functioning battery IMPORTANT NiMH rechargeable and Lithium batteries may also be used in the Model 3100 However battery type must be specified to ensure a reliable battery life indication see Custom Configuration section below 9 Custom Configuration The Model 3100 stethoscope has several operational settings that can be changed using its configuration menu system Within this menu system the and buttons are used for scrolling and the M button is used for selecting options The Filter button acts an escape key used for returning to the previous menu or to the operating mode of the stethoscope To enter the Setup Menu Select the Setup option by pressing and releasing the M button This will display a menu of setup options NOTE Only 3 options will visible at a time All options can be viewed in sequence upon scrolling with either the or buttons PEOWER BATTERY SET VOL SET FLTR EACKLITE AUTO OFF Io To set Power Select the POWER
14. s you will see A default start up amplification level can be set using the instructions provided in the Custom Configuration section below The default setting is marked by the box on the vertical bar shown in the volume icon in the LCD display The illustration shows a default amplification setting at Level 3 J i 145 e Increase Amplification Press button until desired amplification level is achieved e Decrease Amplification Press button until desired amplification level is achieved 7 Monitor Patient Heart Rate The Model 3100 detects and displays an acoustic based heart rate when presented with consistent heart sounds heart rate variation lt 10 It takes five seconds to compute the initial heart rate and updates are provided every two seconds Prior to the initial reading the display shows two dashes For heart rates outside a range of 30 199 bpm the display will also show two dashes The acoustic based heart rate display functions best when the Model 3100 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 display two dashes _ 8 Monitor Battery Life Battery life is indicated by an icon in the LCD display D 123 The Model 3100 comes with a AA Alkaline battery This battery will last for approximately 60 hou
15. ssess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the Model 3100 is used exceeds the applicable RF compliance level above the Model 3100 should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as re orienting or relocating the Model 3100 b Over the frequency range 150 kHz to 80 MHz field strengths should be less than 3 V m The Model 3100 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled The customer or the user of the Model 3100 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the Model 3100 as recommended below according to the maximum output of the communications equipment Rated maximum output Separation distance according to frequency of transmitters d m power of transmitter P W 450 kHz to 80 MHz 80 Mz to 800 MHz 800 MHz to 2 5 GHz d 1 2vP d 23 P 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 maximum output power rating of the transmitter in watts W according to the transmitter manufacturer NOTE 1 At 80 MHz and
16. wer saving standby mode after 10 seconds of inactivity LCD display will display the Littmann logo during standby mode When stethoscope diaphragm or any button is pressed LCD display settings will reappear and stethoscope will be ready to use After 30 minutes of non use stethoscope will leave standby mode and fully power down You may customize on time and off time to meet your own personal needs See Custom Configuration section below e LCD Display Backlight Backlight options are available for use at low ambient light conditions By default depressing and releasing the power button at any time on demand will illuminate the LCD display for 3 seconds 5 Select Filter This stethoscope comes equipped with both bell low frequency and diaphragm high frequency filters The default setting is the diaphragm filter Instructions for changing the default filter setting are given in the Custom Configuration section below To select filter Depress and release filter button as shown in diagram until desired filter mode appears on LCD display ee i N Bell f N Diaphragm Button Filter Filter 6 Adjust Sound Amplification Level The Model 3100 sound level can be amplified in 8 increments up to 24X amplification of a non electronic cardiology level stethoscope Level 1 is equal to a non electronic stethoscope Level 9 is equal to 24X amplification of a non electronic stethoscope The greater the amplification the more bar
17. wer off and 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 may result in moisture getting into the internal components e 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 10 Cleaning Other Parts of the Stethoscope Eartips eartubes plastic tubing and chestpiece can be wiped clean with alcohol Eartips may be removed for a more thorough cleaning NOTICE Do not immerse the stethoscope in any liquid or subject it to any sterilization process Service amp Warranty Program Your Littmann Electronic Stethoscope comes with the finest service and warranty policy in the industry The Littmann Electronic Stethoscope Model 3100 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 or replacement will be made without charge upon the return of the instrument to 3M except in cases of obvious abuse
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