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Operating Instructions MA 41

8100456_OI_MA41_EN_15a

8100456-8 04/15

Standard Accessories:

Items

Item Number

MA 41 audiometer includes:

8013739

DD45 headphones

88010880

B71W bone conductor

8102514

Patient response switch

8011091

Power cable

8011237

Gooseneck microphone

8006479

SD memory card (2 GB)

8010775

Optional Accessories:

Item

Item Number

HDA300 headphones

8103867

HOLMCO 8103 headphones

8010878

TDH39 headphones

8010806

Ear 3A insert phones

8010959

Canton CD220 speaker (single unit)

8110906

Cable for Canton CD 220

8004229

SBC speakers

8111951

Monitor headset with microphone

8010870

Single ear monitor phone

8111857

USB cable

8011241

Carrying case

8100797

Sound room patch cords

8111839

Talk-back microphone

8011233

NOAH audiometry module

8112043

MHA License

8110670

Содержание MA 41

Страница 1: ...MAICO Diagnostic GmbH MAICO Diagnostic GmbH Salzufer 13 14 D 10587 Berlin Tel 49 30 707146 50 Fax 99 Operating Instructions MA 41...

Страница 2: ...PAGE INTENTIONALLY LEFT BLANK...

Страница 3: ...Display of the MA 41 12 5 Measurement Methods of Audiometry 13 5 1 Tone Audiometry 13 5 1 1 Pure Tone Testing 14 5 1 2 Bone Conduction Testing 17 5 1 3 Sound Field Testing optional 18 5 1 4 Uncomforta...

Страница 4: ...3 Speech Audiometry 31 6 2 4 Documentation of the Results 31 7 User Menu 32 7 1 Set up Date and Time 37 7 2 Set Printer Settings 38 8 Disinfection 39 9 Activation of Optional Features 39 10 Device Upd...

Страница 5: ...Operating Instructions MA 41 8100456_OI_MA41_EN_15a iii 8100456 8 04 15...

Страница 6: ...al Directive 93 42 EEC In designing the MA 41 we placed particular importance on making it a user friendly device meaning its operation is simple and easy to understand All functions of the MA 41 are...

Страница 7: ...g DD45 headphones B71W bone conduction oscillator optional insert phones and optional speakers Built in test signals include pure tone pulse tone warble tone narrow band and speech noise Inputs includ...

Страница 8: ...use of scissors or other sharp tools SAVE ALL THE ORIGINAL PACKING MATERIAL AND THE SHIPPING CONTAINER SO THE INSTRUMENT CAN BE PROPERLY PACKED IF IT NEEDS TO BE RETURNED FOR SERVICE OR CALIBRATION N...

Страница 9: ...room shall not exceed the values specified in the norm ISO 8253 1 2010 or ANSI S3 1 1999 For use in noisier environments headphones with optional sound insulation muffs are available Electro medical i...

Страница 10: ...microphone socket 16 Phone left channel 8 Mic live voice microphone socket 17 Phone right channel 9 Monitor phone output socket Place the MA 41 on a stable counter or table Plug the power cord into th...

Страница 11: ...Instructions MA 41 8100456_OI_MA41_EN_15a 6 8100456 8 04 15 detected the startup is stopped and a description of the error will be shown on the display In this case please contact your local dealer fo...

Страница 12: ...usted with the Plus 4 and Minus 5 buttons on both sides of the instrument The ergonomic design of the MA 41 makes it easy to control the dB level signal presentation and frequency adjustments with one...

Страница 13: ...Operating Instructions MA 41 8100456_OI_MA41_EN_15a 8 8100456 8 04 15 An extensive user menu for the customization of the MA 41 is available for advanced users see chapter 7...

Страница 14: ...ight ear 4 Frequency up change to higher frequency for tone audiometry enters a correct answer for word recognition score WRS testing or selects the next word in the word list for speech recognition t...

Страница 15: ...le or P W pulse and warble tone 13 Function selector button function is displayed on the screen Tone Selects test for selected receiver either the pure tone threshold Hearing Level HL or Uncomfortable...

Страница 16: ...00456 8 04 15 17 Functional selector button Menu to enter the user menu where settings can be adjusted results can be printed out or stored as PDF on SD memory card or USB flash drive or the patient l...

Страница 17: ...right ear masking in the other ear is switched off All channel information is shown on the display as well as the type of the function selector buttons shown on the display The display has an energy...

Страница 18: ...he correct height the sound output grid on the inside of the headphone should be directly over the ear canal Ask the patient to press the button on the patient response switch when the tone is heard e...

Страница 19: ...d to the left right or both ears If masking is on the masking signal is routed to the non test ear Select the ear to be tested by pressing the functional selector button 9 on the control panel underne...

Страница 20: ...ting at 1 000 Hz test the higher frequencies first then the lower frequencies Use the frequency up key 4 to select the next higher frequency and use the frequency down key 5 to select the next lower f...

Страница 21: ...ation For bone conduction measurements the interaural attenuation is 0 to 15 dB Bone conduction crossover is therefore possible even with a slight difference in hearing loss between ears To ensure tha...

Страница 22: ...The MA 41 has a tracking function for easy masking Set the tone level and the masking level to a desired difference for effective masking Press the TRACK button 14 to implement the automatic masking...

Страница 23: ...n be measured using pure tone or speech stimuli The purpose is to determine the dBHL level at which the stimuli becomes uncomfortable to the patient The UCL is described as the level between very loud...

Страница 24: ...ponse button when the tone is heard Present a tone to the better hearing ear 10 dB above threshold and wait for the patient to indicate the tone has been heard Now present the tone to the poorer ear 1...

Страница 25: ...ch input select CD with the signal selector key 11 Press the Monitor button 6 and then InCal 17 and the calibration screen appears see figure 7b On every CD with speech test material there is a refere...

Страница 26: ...to repeat each word Often times a carrier phrase such as Say the word _______ may be used The patient should sit at a distance of at least 1 meter from the device Additionally any obstructions which...

Страница 27: ...level loud enough for them to hear and understand Begin the test and decrease the level as the patient repeats the word Once the threshold has been found press the Store button 3 to save the result F...

Страница 28: ...requency Up and Down buttons 4 and 5 Press the functional button Play 7 to start or pause the wave file playback The procedure for the SRT WRS and UCL test is the same as the procedure for CD or micro...

Страница 29: ...d can make Use the MA 41 master hearing aid to adjust various frequency slopes for speech The Master Hearing Aid MHA feature utilizes input signals from the Live Voice Mic external CD MP3 player or wi...

Страница 30: ...11 Then the monitor level of the left and right channel can be adjusted with the corresponding level control dial 1 In order to hear the signal given to the patient make sure to activate monitoring 9...

Страница 31: ...4 on the rear side of the device When the examination has been completed press the Menu button 17 in the tone or speech test mode The user menu is opened and the functionality of the functional butto...

Страница 32: ...button 2 to display the stored sessions Select a session and press the PDF button 11 to save the PDF on the SD memory card or USB flash drive To print the results to a connected printer press Print 1...

Страница 33: ...ssing the functional button Save 9 Press the button No Name 9 to store the results only by a patient number without entering a name or use Cancel 6 to go back to the Patient List without saving There...

Страница 34: ...ng the test signal is always tone For speech audiometry the signal can be selected by the SIGNAL key 11 The type of NOISE signal is dependent upon the opposite channel s signal 6 1 4 Masking Use the M...

Страница 35: ...If both ears are selected LOCK is automatically activated Select L T 14 to interlock the stimulus presentation of both channels as well as the tracking of the levels STIM Mode Selection Press STIM MO...

Страница 36: ...t the levels until both VU meters show all yellow and one green light If one or more red lights are displayed reduce the level using the corresponding dial 1 Store the calibration and leave the calibr...

Страница 37: ...splay To choose an item from the menu use the level control dials A short description of the selected setting item will be displayed below the user menu list To display the sub items or change the set...

Страница 38: ...ighest and lowest frequency Wrap Jumps to the lowest highest frequency when the highest lowest frequency Standard Frequencies Select deselect Level Default Level On Off Set default level after changin...

Страница 39: ...gnal always on the left hand side or always on the right hand side This setting requires a restart Presenter Duration Unlimited signal is presented as long as the STIM bar is pressed 1 5 Seconds signa...

Страница 40: ...gnals on Tests Start Test Tone Speech defines test which will load after start up Printer Settings Set Printer Settings Opens a dialog to select a printer and configure its settings PDF Save Option Sa...

Страница 41: ...the level and frequency one combined audiogram or two separate audiograms for left and right Bone Lines On Off displays a dotted line connecting the bone conduction results Bone Symbol Setting Int Sym...

Страница 42: ...he following screen will appear Set the date format to International or US by the functional button 9 Jump to the required position of the date or the time by the left Frequency Up Down button 4 or 5...

Страница 43: ...the IP address of the printer needs to be entered in the field IP Address Select the number of the IP address by rotating the level controls and press the STORE button to enter the selected number Sav...

Страница 44: ...tures Optional features like the MHA or Patient Management can be activated by a license key Contact your local MAICO dealer and provide the serial number of your audiometer to obtain the required lic...

Страница 45: ...se follow the installation procedure When the installation program asks you how to search for software choose Yes this time only and click on the Next button Figure 17 Installation Advice Select autom...

Страница 46: ...00456 8 04 15 Once the instrument is linked to the PC audiometry software you are able to record the results while performing your audiological assessment Make sure that the software is running and th...

Страница 47: ...S3 6 2010 Type 3 B ISO 389 UL 60601 1 American Standards for Medical Electrical Equipment IEC EN 60601 1 class I protection class B International Standards for Medical Electrical Equipment CAN CSA C22...

Страница 48: ...er frequency resolution as pure tone Speech Noise 125 to 6 000 Hz falling 12 dB octave above 1 kHz 5 dB Speech Signals External CD Player Microphone Wave file from SD memory card Modulation Pulse Tone...

Страница 49: ...ne presentation of both channels simultaneously Tracking fixed level difference between both channels Masking Warm up Time Less than 10 min after power on Mode of Operation Continuous Environment Cond...

Страница 50: ...switch RI 500 7 Talk Back microphone ZI 1 k UI 0 38 500 mVeff 8 Microphone ZI 1 k UI 0 38 500 mVeff 9 Monitor phone ZA 250 UA 8 Veff 10 CD Input ZI 47 k UI 0 04 5 Veff 11 Speaker left ZA 4 UA 8 Veff...

Страница 51: ...y card 2 GB 8010775 Optional Accessories Item Item Number HDA300 headphones 8103867 HOLMCO 8103 headphones 8010878 TDH39 headphones 8010806 Ear 3A insert phones 8010959 Canton CD220 speaker single uni...

Страница 52: ...equipment without authorization of the manufacturer If this equipment is modified appropriate inspection and testing must be conducted to ensure continued safe use of the equipment WARNING No modific...

Страница 53: ...assign the responsibility for the proper collection and treatment according legal regulations to our customers Date of Manufacture 14 Safety Regulations READ THIS ENTIRE MANUAL BEFORE ATTEMPTING TO US...

Страница 54: ...vice center In accordance with the regulations of the EU Medical Directive warranties may be void if these checks are not done The use of non calibrated audiometers can lead to incorrect test results...

Страница 55: ...Ear Level Left Ear kHz 0 25 0 5 1 2 3 4 6 8 0 25 0 5 1 2 3 4 6 8 kHz AC 30 dBHL 50 dBHL 70 dBHL BC 30 dBHL 50 dBHL When noise B G V or S is blocked inform the service center When the test tone is hea...

Страница 56: ...8000 12 0 17 0 110 100 Signal IEC60645 2 RETSPL IEC Max Level dBHL ANSI S3 6 RETSPL ANSI Max Level dBHL Speech 20 0 110 18 5 100 SN 20 0 110 18 5 100 Headphone TDH39 withCoupler IEC 60318 3 Force 4 5...

Страница 57: ...Max NBN dBHL 125 39 5 43 5 90 80 250 25 0 29 0 105 95 500 18 5 22 5 110 100 750 13 5 18 5 120 105 1000 12 0 18 0 120 110 1500 10 0 16 0 120 110 2000 9 5 15 5 120 110 3000 9 0 15 0 115 110 4000 9 0 14...

Страница 58: ...20 105 2000 0 0 6 0 120 105 3000 3 0 3 0 120 110 4000 0 5 4 5 120 110 6000 21 0 26 0 110 95 8000 23 0 28 0 110 95 9000 27 5 32 5 100 90 10000 18 0 23 0 105 95 11200 22 0 27 0 105 90 12500 27 0 32 0 10...

Страница 59: ...120 110 33 3000 3 5 9 5 120 110 4000 5 5 10 5 115 110 39 5 6000 2 0 7 0 100 100 8000 1 0 4 0 95 95 42 5 Signal IEC60645 2 RETSPL IEC Max Level dBHL ANSI S3 6 RETSPL ANSI Max Level dBHL Speech 20 0 100...

Страница 60: ...6 1996 Signal IEC60645 2 RETSPL dBSPL IEC Max Level dBHL CD220 SBC ANSI S3 6 RETSPL dBSPL ANSI Max Level dBHL CD220 SBC Speech 0 0 90 80 14 5 90 80 SN 0 0 90 75 14 5 90 75 WN 0 0 90 75 0 0 90 75 Frequ...

Страница 61: ...I_MA41_EN_15a 56 8100456 8 04 15 Specifications are subject to change without notice MAICO Diagnostic GmbH Salzufer 13 14 10587 Berlin Germany Phone 49 30 70 71 46 50 Telefax 49 30 70 71 46 99 E mail...

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