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Midimate 622

Clinical/Diagnostic Audiometer

User Manual

Doc no. 7-25-9000/09

Part No. 7-25-900

0 4 5 9

Summary of Contents for MADSEN Midimate 622

Page 1: ...Midimate 622 Clinical Diagnostic Audiometer User Manual Doc no 7 25 9000 09 Part No 7 25 900 0459 ...

Page 2: ...the prior written con sent of GN Otometrics A S Copyright 2011 GN Otometrics A S Printed in Denmark by GN Otometrics A S Denmark All information illustrations and specifications in this manual are based on the latest product information available at the time of publication GN Otometrics A S reserves the right to make changes at any time with out notice Version release date 8 September 2011 Technic...

Page 3: ...3 5 Start up 15 4 TEST SETUP 4 1 General 17 4 2 Selecting a Preprogrammed Test 17 4 3 Manual Test Setup 18 4 3 1Example of Test Selection 18 4 3 2Default Settings in Manual Test Setup Mode 19 5 OPERATING IN TEST MODE 5 1 Front Panel Control Functions 21 5 1 1Operating Controls 21 5 1 2Patient Communication Monitoring Controls 23 5 1 3Input Level Controls 25 5 1 4Softkeys 25 5 1 5Option Softkey 26 ...

Page 4: ...ing and Insert Phone 40 6 7 Free Field Pure Tone Audiometry 40 7 SPEECH AUDIOMETRY 7 1 Speech Reception Threshold 41 7 2 Discrimination Testing 41 7 3 Speech Audiometry with Live Voice 42 7 3 1Live Voice Threshold Measurements 42 7 3 2Live Voice Discrimination Test 43 7 4 Speech Audiometry with Tape Recorder or CD Input 44 7 4 1Recorded Word Lists Threshold 44 7 4 2Recorded Word Lists Discriminati...

Page 5: ...alues Masking 63 11 TEST SETUP PROGRAMMING 11 1Enable User Test Programming 65 11 2User Test Programming 65 12 CALIBRATION 12 1Error Check 67 12 2Calibration Reference 67 13 DATA INTERFACE 13 1Entry of Patient I D Number 69 13 2Data Transfer 70 14 PRINTOUT FUNCTION 14 1Printers Connections 71 14 2Options Menu 72 14 2 1 Store 73 14 2 2 Printer Menu 73 14 3Average Values Masking 74 14 4Troubleshooti...

Page 6: ...ILABLE TEST SETUPS Pure Tone Audiometry 84 Speech Audiometry 84 Special Tests 86 APPENDIX D PRINTER OPTION TABLE Printer Option Table 87 SUBJECT INDEX Subject Index 90 FIGURES Figure 1 Midimate 622 Connection Panel 6 Figure 2 Voltage Selector and Fuses 8 Figure 3 The Selection Tree 12 Figure 4 Printer PC Connections Cables 76 Figure 5 Midimate 622 Front Panel Layout 96 MIDIMATE 622 OPERATION MANUA...

Page 7: ... operation over the entire attenuator range Clickfree Attenuators Simpleandlogicalmultilingualmenu drivendialoguemakestheMIDIMATE 622 easy to learn and easy to use Working with a menu driven display is uncomplicated the upper line simply prompts the operator to select one of the options from the lower line by pressing the appropriate softkey In this way you can rapidly set up tests and then alter ...

Page 8: ...ter 5 Operating In Test Mode gives the first time user a quick and easy to read guide enabling the operator to rapidly acquaint himself with the instrument Being a menu driven system where a number of user instructions appear on the instrument s display the MIDIMATE 622 is easy to operate and easy to use All screen instructions are reproduced as far as possible as they appear on the display and ar...

Page 9: ...ical Devices Directive 93 42 EEC The MIDIMATE 622 is marked with this symbol to indicate compliance with Type B requirements of EN 60601 1 1 5 SAFETY This operation manual contains information and warnings which must be followed to ensure the safe performance of the MIDIMATE 622 Local governmentrulesandregulations ifapplicable shouldalsobefollowedatall times Special note should be made of the foll...

Page 10: ...tby the equipment manufacturer or by authorized representatives The manufacturer reserves the right to disclaim all reponsibility for the operating safety reliability and performance of equipment serviced or repaired by other parties 4 1 General Information MIDIMATE 622 OPERATION MANUAL ...

Page 11: ...t always use the best packing available If it is necessary to return the instrument to your distributor or to the factory for repair use the original shipping cartons Storage Shipment When shipping the MIDIMATE 622 please remember the following 1 Seal shipping container securely 2 Mark container FRAGILE to ensure careful handling 3 In any correspondence please refer to the instrument by model and ...

Page 12: ...te 9600 Before connecting the power cord please make sure that the voltage from the electrical outlet matches the voltage shown on the identification label on the base of the audiometer refer to page 8 for information on changing voltage setting or fuses PLEASE READ BEFORE SWIT CHIN G ON WARNING Operating at the wrong voltage may blow the fuses Plugthesuppliedpowercordintothereceptaclemarked Power...

Page 13: ...Installing Midimate 622 WARNING Chemical cleaning agents containing ammonia or alcohol will damage the cabinet and display DO NOT USE ABRASIVE CLEANERS t WARNING Before replacing a fuse or changing voltage first switch off instrument and disconnect from mains power supply ...

Page 14: ...h a small amount of mild detergent on it Do not allow any moisture in side the instrument To clean the display use a dry cloth or soft brush Note that the display is laminated for maximum readability and must therefore be treated with care Display IfyourMIDIMATE622hasbeensuppliedwiththeoptionalplasticdustcover you should keep the instrument covered at all times when it is not in operational use Du...

Page 15: ... 3A insert earphones note that the standard yellow foam insert tips are disposable and therefore should not be cleaned and reused There are no special requirements for disposal of the insert tips To replace a fuse or to change voltage please refer to next page To replace a fuse or to change voltage Switch off the instrument and disconnect from mains Remove the two Phillips screws at the back of th...

Page 16: ...10 MIDIMATE 622 OPERATION MANUAL 2 Installing Midimate 622 ...

Page 17: ...ent levels of the setup process and the MENU button to jump back to the top of theselectiontreeandthenswitchfromonebranchofthetreetotheother The Selection Tree TheConnectionPanelislocatedontherearoftheinstrument seepage4for installation Inadditiontoconnections therearetwowhitepotentio meters one marked PT to control the level of the audible patient response and the other for adjusting the display ...

Page 18: ...Fig 3 The Selection Tree MIDIMATE 622 OPERATION MANUAL 3 General Description 12 Menu Menu Menu ...

Page 19: ...metry Also functions as a VU meter in Speech Audiometry Stimulus LED 3 2 x 40 character Liquid Crystal Display LCD that not only indicates test parameters and readings but also permits communication between the operator and the audiometer Display 4 Red light indicating that Extended Range HL has been enabled this LED also flashes when the audiometer is busy printing out versions 3 0 and later Ext ...

Page 20: ...k Over Level in dB is displayed for the purposes of adjustment as in Monitor Level above Talk Over 17 Tape 1 is an input for either a tape recorder or a CD player for use in speech audiometry as a stimulus channel This pushbutton accesses the potentiometer control for adjusting level by turning any of the 3 grey rotary knobs in the Operation section Tape 1 18 Tape 2 as Tape 1 above except that it ...

Page 21: ...re not being worn at power on NOTE 4 The power LED illuminates and the following displays appear in rapid succession as the audiometer runs an automatic self test and then loads Test 1 which here is the factory default test Any of the first 4 displays may be frozen by holding down Softkey 1 Power Up Test completed MIDIMATE 622 Version 3 x Calibrated YYMMDD 980311 By xyz Reference ANSI S 3 6 ANSI S...

Page 22: ...to two separate phases the Setup Phase and the Test Phase Likewise the Midimate 622 operates in two corresponding modes Setup Mode Selection of the appropriate test parameters Setup Mode Test Mode Performance of the actual audiometric test Test Mode Setup is performed either by following a decision tree or simply by selecting one of the five preprogrammed tests The following chapter describes the ...

Page 23: ...rresponding test 3 When a button is pressed the setup sequence is shown briefly e g Tone Air Left NBN Viewing time may be prolonged by holding the button down 4 The audiometer now enters Test Mode ready to operate Whenpoweristurnedon theaudiometerautomaticallyentersthetestsetup defined as Test 1 The factory defaults for the 5 preprogrammed tests are as follows Factory Defaults Test1 Tone Air Left ...

Page 24: ...ble For example if Left Right stimulus is selected questions about masking will be omitted As can be seen from the general form of the setup the maximum number of selections before a test is fully programmed is 5 Maximum 5 Selections In each step of the setup sequence the previously selected parameters are displayed on the upper line of the display In the course of performing the setup sequence ca...

Page 25: ... Testing 6 After a short while the test setup will appear Freq Air R Tone 1000 Hz C P W 20 dB Run Test Mode as described in the next chapter Press MENU to revert to Setup Mode MENU 4 3 2 DEFAULT SETTINGS IN MANUAL TEST SETUP MODE With reference to the above example of manual test setup please note 1 If NBN had been selected for masking the following display would have appeared Freq Air R Tone Air ...

Page 26: ...d whentheToneSwitchispressed InSpeechAudiometry theToneSwitchis in Reverse Mode and functions as an interrupter i e a tone is presented continuously unless interrupted Tone Switch The default settings are as follows Tone Audiometry Air 1000 Hz 20 dB Masking off Tone Switch off Bone 1000 Hz 20 dB Continuous Tone HLLock off Audible Patient Signal on FF 1000 Hz 20 dB Tone off Warble Tone Speech Audio...

Page 27: ...eys In addition there are two conventional potentiometers on either side of the rear panel for adjusting the level of the audible patient response signal and for adjusting the contrast of the display 5 1 1 OPERATING CONTROLS Hearing Level This rotary knob controls the stimulus intensity in 1 or 5 dB steps within the permittedrangeatanygivenfrequency Turntothelefttodecreaseleveland totherighttoincr...

Page 28: ...meter is in Reverse mode see below The interrupter bar controls attenuator output 12 Tone On indication is displayed on the green stimulus LED to the left of the display Reverse This button toggles the Tone Switch between Tone Switch mode and Interruptermode Usedmainlyinspeechaudiometrytointerrupttapedinput 15 Left Right Shift PressingthisbuttonwhileinTestModechangesthestimulustotheopposite ear if...

Page 29: ... 70 80 2000 100 70 80 3000 100 70 80 4000 100 60 80 6000 100 55 80 8000 80 80 WhentheaudiometerisbusyprintingouttoanexternalprinterortoZODIAC 901 the Ext Range LED on the display panel will flash constantly not applicable in version 3 2 and higher Ext Range LED Flashes During Printout 5 1 2 PATIENT COMMUNICATION MONITORING CONTROLS Talk Over Pressing this button accesses the Talk Over Mode interru...

Page 30: ...hatthemonitorphoneleveliscomfortable The selected level will be stored even after the audiometer has been powered off 5 1 3 INPUT LEVEL CONTROLS Microphone Level Pressing this pushbutton enables adjustment of the input sensitivity of the operator s microphone which is used for Live Voice testing and Talk Over purposes 19 The display will show a bar graph indicating the position of the Microphone P...

Page 31: ...s LED as VU Meter Turn any of the rotary knobs to change the signal level Adjust the sensitivity to 0 VU on the Stimulus LED peak indication may exceed 0 VU occasionally 5 1 4 SOFTKEYS The pushbuttons numbered 1 to 5 are designated softkeys because the function of these buttons changes according to the different modes of the instrument as well as the different tests Softkeys IntheSetupMode thesepu...

Page 32: ...T the status of these functions ATTENTION The following options exist from the Options Menu no Power On Options enabled Options Menu 1 5s On 1 dB Datrf HLL Off PTS On When the Printer Function has been enabled Datrf changes to Store Options Menu 1 5s On 1 dB Store HLL Off PTS On When User programming has been enabled Store Changes to Progr Options Menu 1 5s On 1 dB Progr HLL Off PTS On Store This ...

Page 33: ...ared before starting an examination with the new transducer AC BC Thresholds On Same Printout If an extra printout is required repeat PLOT PLOT MIDIMATE 622 has sufficient memory to store Air Bone and F F data for bothears Asspecifiedabove thresholddataforbothearsmaybeerasedvia the Clr All function or by entering a new Patient I D To Clear Memory Please refer to chapter 14 for further details abou...

Page 34: ...1 5 dB Resolution Access the Options Menu by pressing Softkey 3 Softkey 3 Softkey 2 toggles between 5 dB and 1 dB attenuator resolution Softkey 2 HLL On HLL Off This option is only available when both attenuators are active Hearing Level Lock Access the Options Menu by pressing Softkey 3 Softkey 3 Pressing Softkey 4 in the Options Menu toggles the Hearing Level Lock Softkey 4 TurningtheHLknobwhile...

Page 35: ... set up your own test as described in 4 Test Setup MENU Ensure that Air has been selected as Output Threshold testing normally commences at 1000 Hz in the better ear and continues with the higher frequencies Air Output 5 Place the patient in sound cabin if available Ensure that the patient is facing away from the audiometer 6 Instruct the patient in usage of Patient Response Handswitch and or micr...

Page 36: ...In cases where the masking intensity required in one ear is very high and therefore it is impossible to make an accurate threshold measurement for bone conduction in the other ear an insert phone is recommended An insert phone produces less bone conduction than a normal TDH 39 phone Please refer to section 6 6 for further details Insert Phone 5 2 3 FREE FIELD PURE TONE TESTING Free field pure tone...

Page 37: ...nput The audiometer has connections for both microphone or tape CD enabling you to read out loud or play back word lists for threshold and discrimination determination Word Lists Live voice investigations should only be carried out with the patient in a soundcabinsincethepatientmustnotheartheAudiologist svoicedirectly Sound Cabin Required For a more comprehensive treatment of this subject please r...

Page 38: ...eading from the word list while at the same time pressing the MICROPHONE pushbutton and turning one of the rotary knobs so that the stimulus level on the Stimulus LED deflects up to O VU See 5 1 3 on page 20 for detailed description MICROPHONE 6 Place the patient in sound cabin facing away from the audiometer 7 Instruct the patient to repeat the words he hears and test each ear in turn using L R S...

Page 39: ...rn using L R Shift L R SHIFT Refertosection7 4forfurtherdetailsontestingwithprerecordedsignals 5 3 4 FREE FIELD SPEECH AUDIOMETRY Free field testing is often employed in speech audiometry when testing childrenasmanychildrendislikewearingheadphones Testingforthreshold or speech discrimination is as described above for live voice and tape CD except for the following A pair of optional power amplifie...

Page 40: ...20 dB over the patient s threshold for frequency to be tested normally starting at 1000 Hz HL 20 dB Over Threshold 4 Explain to the patient that he will hear a continuous tone and that the intensity will be increased for a very short time 200 ms once every fifth second Ask the patient to press the patient signal each time he hears a change in the stimulus tone 5 To demonstrate set the Hearing Leve...

Page 41: ...e test with the result that the Tone Switch must be pressed again to restart Press Tone Switch to Restart 5 4 2 FOWLER S TEST 1 Select Fowler from the Select Special Test Menu and the following display appears Special Fowler Air L R No Mask SOFTKEY 2 Freq Air L Tone Air R Tone 1000 Hz ABLB 20 dB ABLB 20 dB 2 Ensure that the patient is wearing the headphones correctly i e with the red phone on the ...

Page 42: ...tkey 4 This setup routes pure tone signal in the stimulus channel to the right earphone and selects narrow band noise to the bone conductor in the masking channel The following display appears SOFTKEY 4 Freq Air R Tone Bone NBN 1000 Hz C P W 20 dB On Off 20 dB 3 Place the right earphone on the ear to be tested and the bone conductor on the mastoid bone behind the ear 4 Adjust HL to desired level a...

Page 43: ...ucted sound to the outer ear canal the moving coil earphone also presents a vibrating mass in contact with the head The earphone behaves like a bone vibrator and will conduct sound through the skull Iftheairconductionintensityintheearphoneis40 60dB itmaybeexpected that the earphone will also convey bone conducted sound to the skull at a level corresponding to approximately 0 dB In relation to the ...

Page 44: ...Softkey 4 Softkey 4 For contralateral Masking follow the following procedure Find the threshold for N B Noise by means of Masking Level knob When thresholdhasbeenfound setMaskingLeveltoavalue15dBhigherthanthe threshold Without masking re establish the threshold for the pure tone Turnonmaskingagain Repeatthepresentationofthetoneatthelevelfound tobethethreshold Ifthepatientcanhearthetonewiththemaski...

Page 45: ...10 20 dB above threshold Thereafter the bone vibrator should not be moved until the measurement is completed Commence the test in the best ear Set hearing level control to an intensity 15 dB higher than the previously determined air conduction threshold for the particular frequency Then find the threshold for bone without masking When the threshold has been found apply masking Softkey 4 Softkey 4 ...

Page 46: ...uction from an insert receiver is about 90 100 dB below the air conduction level In the described case the insert will only produce about 0 dB in the right ear and one will therefore be able to make a valid bone conduction test Insert Masking 6 7 FREE FIELD PURE TONE AUDIOMETRY From the Select Function Menu select Tone FF Left FF The following will be displayed Freq F F L Tone F F R NBN 1000 Hz C ...

Page 47: ...en begins to repeat the words reducing the intensity in 5 dB steps until the patient is only able to repeat about half the words In order to obtain an exact result a complete word list must be presented to the patient approximately 20 words Under normal circumstances it is possible after the presentation of only a few words to find the threshold and usetherestofthelistisusedforverifyingtheresult A...

Page 48: ...is said to have a discrimination loss of 100 75 25 7 3 SPEECH AUDIOMETRY WITH LIVE VOICE Livevoiceexaminationscanonlybecarriedoutwhentheaudiometerisused in connection with a sound room so that the patient cannot hear the Audiologist s voice directly With Audiologist and patient in the same room especiallyinexaminationsofpatientswithnormaloralmostnormalhearing false results would be obtained Using ...

Page 49: ...are only used to confirm the test 7 3 2 LIVE VOICE DISCRIMINATION TEST Select the following setup Speech Air Left Micr No Mask This results in the following display Speech Air L Micr Test 20 dB Before commencing the test adjust Microphone Level Put on the monitor headsetorplacethemicrophoneapproximately20cmfromyourmouth and read from the word list At the same time adjust Microphone Level so that c...

Page 50: ...ophone should also be of a really good quality and uni directional It should be placed very close to the patient This is especially true when working with great intensities in free field 7 4 1 RECORDED WORD LISTS THRESHOLD Select the following setup sequence Speech Air Left Tape No Mask The following display appears Speech Air L Tape Test 20 dB Start playback unit and make sure the VU meter gives ...

Page 51: ...ted In word discrimination testing this danger is greater than in pure tone audiometry since the signal is presented to the test ear at a suprathreshold level Masking must be used whenever the presentation level for this suprathreshold task minus the interaural attenuation exceeds the bone conduction thresholds of the nontest ear Jean H Lovrinic in Audiology for the Physician 1980 Speechnoiseisgen...

Page 52: ...m this display you can select the required masking noise and if speech noise is chosen the following is displayed Speech Air L Micr Air R SN Test 20 dB On Off 20 dB Press Softkey 4 to enable masking Softkey 4 MIDIMATE 622 OPERATION MANUAL 7 Speech Audiometry 46 ...

Page 53: ...rspeechnoiseorexternal i e themaskingsignalmaybeselectedfromthe Tape 2 input PressingL RSHIFTinterchangesthesignaltotheloudspeakersinthesame way as it shifts the signal between the earphones L R SHIFT The Tape 2 signal may be adjusted by pressing the Tape 2 pushbutton and turning one of the rotary knobs simultaneously In this case the Stimulus LEDfunctionsasaVUmeterforthemasking signalandthesensit...

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Page 55: ... such a change To demonstrate this ensure that modulation is set at the default position 5 dB where it should be easy for the patient to hear the intensity changes and set HL at 40 dB or higher Press Tone Switch to start the test The HL setting on the display will change each time the intensity is raised Changing Frequency or Hearing Level will stop the SISI test restart by pressing the Tone Switc...

Page 56: ...0dBbetweenthetwoearsatthepuretonetestfrequency Toneintensityis adjusted for the left ear using the stimulus hearing level control and for the right ear the masking level control is used The tone is presented automatically through the two ears by pressing the TONE SWITCH On pressing the tone switch a tone is presented first in the left ear then in the right ear then again in the left ear and finall...

Page 57: ...between the two ears becomes smaller and smallerastheintensityisincreased andat80dBthereisnodifferenceatall The degree of recruitment will vary in different cases and may be more marked than in the example given In all cases however the recruitment reducesthehearingspan i e fromthresholdtotheuncomfortableloudness level Anormalearhasawidehearingspanandisabletoperceivepuretonesfrom the normal thresh...

Page 58: ...tnecessarytomasktheairtonethreshold Ta onthesameear andif Mb isthebonemaskingleveljustnecessarytomask thepuretoneboneconductionthreshold Tb thenTa Ma XandTb Mb X where X equalsthedifferenceinintensitylevelinordertoobtaineffective masking This difference is usually 3 dB Itisknownthat forthreshold thecochleareceivesthesameenergyinbothcases of air threshold and bone threshold so Ta may be masked by M...

Page 59: ...h connections for a complete patientcommunicationandmonitoringsystem Thissystemconsistsmainly of optional accessories and comprises the following part numbers in parentheses electret Stetomike_ monitoring headset with built in pilot style micro phone 8 75 340 monitoring loudspeaker Talk Over Live Voice microphone 8 72 240 and Adaptor Box 8 71 140 Talk Back microphone 8 72 240 Patient response hand...

Page 60: ...resented and the Tone Switch becomes an interrupter Press the Talk Over pushbutton 16 in the pull out drawing of the front panel located at the back of the manual to access the Talk Over Mode and interrupt the presentation of stimulus permitting communication with the patient To Access Talk Over Mode This pushbutton also displays the Talk Over Level in dB for the purposes of adjustment To Adjust t...

Page 61: ...itor jack via an Adaptor Box 8 71 140 PresstheTalk BackpushbuttontoenablesensitivityadjustmentoftheTalk Back microphone amplifier To Adjust Talk Back Level Abar graphonthedisplayshowstheactualsettingasapercentageofrange Level may be adjusted by turning any of the rotary control knobs level is set electronically thus preventing accidental alteration AdjusttheTalk BackLevelsothatthemonitorphonelevel...

Page 62: ...lected level will be stored even after the audiometer has been powered off NOTE SISI modulation is not audible via the monitoring headset 9 5 PATIENT SIGNAL A Patient Response Handswitch Part no 8 31 200 is supplied with the instrument as a standard accessory In addition to the customary visual signal light on the front panel the MIDIMATE622featuresanaudiblepatientresponsesignal Thissignalmay behe...

Page 63: ...wering on the audiometer and hold the button down until the Power On Options Menu appears on the display SOFTKEY 3 User Progr Parameters Menu Quit Pulsing RS232 Progr Lang Printer Select the required option by pressing the corresponding softkey and continue as directed by the instructions on the display Return to the previous menu by pressing MENU MENU Pressing MENU while the display shows the Pow...

Page 64: ...esponding softkey to select desired value and note that the selected value is instantly displayed in parentheses after Now PressMENUoncetoreverttothePulsingParameterMenu ortwicetorevert to the Power On Options Menu MENU 10 3 RS232 Pressing Softkey 2 accesses the following menu Softkey 2 RS 232 Functions Word 8 N 1 Baud Echo Receive where Word indicates the settings of the following transmission pa...

Page 65: ...key 1 to proceed SOFTKEY 1 User Test Programming is now enabled see chapter 11 for details on this option 10 5 LANGUAGE To alter Language from the default English press Softkey 4 to access the following menu SOFTKEY 4 Select Language English German French Italian Spanish Pressthecorrespondingsoftkeytoselectdesiredlanguageandnotethatthe display automatically reverts to the Power On Options Menu in ...

Page 66: ...t A Madsen configuration program enables the definition of form feeds left margin line feeds weighting factors and printer driver Madsen Config Program 10 6 1 PRINTER OPTION MENU Select Printer by pressing Softkey 5 and the following menu will be displayed SOFTKEY 5 Printer Options 105 Select Format Header Ths Log Avg All printer setup parameters can be selected from this sub menu After selecting ...

Page 67: ...tion s name as well as the date and time can be added to the printout as this data is in the middle ear analyzer s own memory please see section 1 3 on the next page Institution s Name Time Date On Printout MIDIMATE 622 can be connected directly to a standard external printer by means of a serial interface cable to the Data Interface port on the instrument s rear panel please refer to Chapter 14 f...

Page 68: ...ormat when you select internal printer on ZODIAC 901 i e MIDIMATE 622 detects the middle ear analyzer s printer setting and follows the built in printer s protocol A4 format 210 x 297 mm 10 6 4 HEADER Pressing Softkey 3 accesses the following display SOFTKEY 3 Header Yes No Selecting Header means that the Madsen logo patient information as well as time and date will appear at the top of each print...

Page 69: ... threshold data but also disables printout of masking values Masking Values Disabled When Average is selected average values are calculated according to a predefined weighting formula Weighting values are also indicated on the printout Your own weighting formula may also be defined by means of Madsen s configuration program please contact your local distributor Averaging According To Predefined We...

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Page 71: ...ramming procedure as well as a number of opportunities to quit before finally overwriting an existing User Test 11 1 ENABLE USER TEST PROGRAMMING 1 Switch on the audiometer while at the same time holding Softkey 3 down to access the Power On Options Menu Power On Option User Progr Parameters Menu Quit Pulsing RS232 Progr Lang Printer 2 Press Softkey 3 to select the Programming mode SOFTKEY 3 Enabl...

Page 72: ...TE This display is your last opportunity to change your mind about overwriting a previously stored test If you decide NOT to save your current test setup instead of the existing User Test press MENU 6 Select whichever User Test you wish to overwrite and press the corresponding softkey The audiometer will briefly display a message confirming that the test has been saved as Test No 1 to 5 and then r...

Page 73: ...h are related to sound pressure levels db SPL dB re 20 PA and force levels dB re 1 N Note that calibration has only been performed on the supplied transducers If you wish to use any other transducer for testing with the MIDIMATE 622 please contact your local distributor first 12 1 ERROR CHECK To ensure accurate measurements all calibration locations are checked at power ontimeandwheneveranewlocati...

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Page 75: ...a Interface Operation Manual 13 1 ENTRY OF PATIENT I D NO This new feature enables the entry of a Patient Identification number to be used when the audiometer is connected to a computer s database or to a printer Thus the patient s test data may be tagged for data transfer or printout Alternatively eachpatientmaybegivenanincrementalnumberfor I D purposes i e the first patient each day will be pati...

Page 76: ...efault defined as ten digits but thismaybechangedviatheinterfacetoanywherebetween0and16digits If 0 zero is defined the option Patient is removed from the Select Function Menu Definable Length of I D Number Press MENU to exit Patient I D Entry mode MENU 13 2 DATA TRANSFER In Test Mode a new option has been added to the Options Menu Data Transfer Datrf assigned to Softkey 3 Softkey 3 PressingDataTra...

Page 77: ...ProprinterorEpsonFX80 Format 110 mm ZODIAC 901 A4 L R or A4 R L Threshold logging each time a threshold is stored data is printed out in tabular form Averaging values with weighting or masking shown on printout A Madsen configuration program MIDICON enables the definition of form feeds left margin line feeds weighting factors and printer driver please contact your local distributor if you want to ...

Page 78: ... Serial Parallel Converter N A Parallel Printer Cable 8 71 360 Serial Printer Cable 8 71 420 9 9 Pole Serial Data Interface Cable 8 71 340 9 25 Pole Serial Data Interface Cable 8 71 330 Note that all serial cables for connecting MIDIMATE 622 to PC printer or ZODIAC 901 contain a zero modem To avoid hardware damage you are advised to make certain that you are using the correct cable before connecti...

Page 79: ...e cleared viewed or printed out Printer Menu In practice pressing the option softkey twice in rapid succession stores the current threshold whereas holding it down enables you to see the Printer Menu And if Threshold Logging has been enabled in the Printer Setup Menu theprinterwillimmediatelyprintouteachthreshold oneatatime e g SOFTKEY 3 Air Left 1000 Hz 20 dB 14 2 2 PRINTER MENU Holding down Soft...

Page 80: ...be erased via the Clr All function or by entering a new Patient I D 14 3 AVERAGE VALUES MASKING IfAveragehasbeenselectedinPrinterSetup averageandweightingvalues will be included with your audiogram printout If not masking levels for each frequency will be printed out provided that the masking stimulus was selected when the threshold was stored Average Or Masking Masking values are displayed for bo...

Page 81: ... audiometer and the printer are set up correctly with regard to baud rate and hardware flow control Power On Options 4 If printing out directly to ZODIAC 901 check that instrument for paper jams etc If printing out to an external printer via ZODIAC 901 check that the external printer has been selected PRINTER pushbutton Softkey 4 5 In case you still have any problems printing out audiological data...

Page 82: ...ig 4 Printer PC Connections Cables for MIDIMATE 622 ZODIAC 901 MIDIMATE 622 OPERATION MANUAL 14 Printout Function 76 8 71 340 Parallel Printer Parallel Printer 8 71 340 8 71 360 8 71 340 Serial 8 71 420 ...

Page 83: ...tandard Functions Speech Stimulus via Microphone or CD Tape1 Masking White Noise Speech Noise or external CD Tape2 Ipsi Contra or Bin S M Tone Switch Normal or Reverse operation Pure Tone Manual or 1 5 sec Tone Duration Pulsing Rate User programmable Range 1 5 to 3 5 Hz Warble Frequency Modulation 3 7 5 Modulation Waveform traingular Modulation Range 5 L R Shift Automatic switching of all selected...

Page 84: ...5 N Bone 5 4 N 0 5 N Data Interface RS232C Serial Interface for connection to PC printer Opto insulation Power Supply AC 50 60 Hz 100 120 V 10 200 240 V 10 Power Consumption Approx 25 VA Operating Environment Temperature 15 35 C 32 95 F Relative Humidity 30 90 Operation in temperatures exceeding 20 C or 60 C may cause permanent damage Construction Plastic cabinet with aluminium chassis Dimensions ...

Page 85: ...XAMINATION SETUP PHASE SOFTKEY SELECTION AUDIOMETRIC EXAMINATION OPERATOR CONTROLS TEST PHASE SOFTKEY OPTIONS PREPROGRAMMED TESTS TEST 1 TEST 2 SELECT USER TEST TEST 3 TEST 4 TEST 5 MIDIMATE 622 OPERATION MANUAL Appendix B Schematic Overview 79 ...

Page 86: ...key 3 PROGR To program current setup as User Test DATRF To transfer Data via RS232C Interface Port STORE To store thresholds in memory prior to printout HLL On Off To toggle Hearing Level Lock on or off PTS On Off To toggle Audible Patient Signal on or off 1 dB 5 dB To toggle between 1 dB and 5 dB attenuator resolution 1 5s On Off To toggle 1 5 second tone stimulus on or off MIDIMATE 622 OPERATION...

Page 87: ...ns AIR Right Air NBN Key4 MaskingOn Off I psi NBN Bin S M NBN L R No Mask Key 2 Stim Mode C TONE BONE Air NBN Key3 Options Insert NBN Key4 MaskingOn Off Ipsi NBN No Mask Left F F NBN Insert NBN Ipsi NBN Key 2 Stim Mode W No Mask Key 3 Options F F Right F F NBN Key4 Masking On Off Insert NBN Ipsi NBN L R MIDIMATE 622 OPERATION MANUAL Appendix B Schematic Overview 81 ...

Page 88: ...r Ipsi ditto Bin S M Right No Mask Air Micr Ipsi ditto Bin S M Tape MIDIMATE 622 OPERATION MANUAL Appendix B Schematic Overview 82 L R Micr No Mask No Mask Tape Air WN SPEECH BONE Insert SN Micr Ipsi Ext No Mask No Mask Tape F F Within Insert SN Ipsi Ext Left No Mask F F Micr Insert ditto Ipsi No Mask Tape F F Insert ditto F F Ipsi Right No Mask Micr F F Insert ditto Ipsi L R Tape Micr ...

Page 89: ...STIMULUS MASKING Left Key 2 1 5 dB increments SISI Air Right Key 5 Continue Reset SPECIAL FOWLER Air L R ABLB initiated by pressing TONESWITCH STENGER Air L R REVERSE Manual operation RAINVILLE Air Right Tone BC NBN MIDIMATE 622 OPERATION MANUAL Appendix B Schematic Overview 83 ...

Page 90: ... Tape Mask Air SN 25 Speech Air Left Tape Mask Air Ext 26 Speech Air Left Tape Mask Ipsi WN 27 Speech Air Left Tape Mask Ipsi SN 28 Speech Air Left Tape Mask Ipsi Ext 29 Speech Air Left Tape Mask Bin S M WN 30 Speech Air Left Tape Mask Bin S M SN 31 Speech Air Left Tape Mask Bin S M Ext 32 Speech Air Left Mic 33 Speech Air Left Mic Mask Air WN 34 Speech Air Left Mic Mask Air SN 35 Speech Air Left ...

Page 91: ...Right Ext 71 Speech Bone Tape Mask Ipsi WN 72 Speech Bone Tape Mask Ipsi SN 73 Speech Bone Tape Mask Ipsi Ext 74 Speech Bone Mic 75 Speech Bone Mic Mask Air Right WN 76 Speech Bone Mic Mask Air Right SN 77 Speech Bone Mic Mask Air Right Ext 78 Speech Bone Mic Mask Ins Right WN 79 Speech Bone Mic Mask Ins Right SN 80 Speech Bone Mic Mask Ins Right Ext 81 Speech Bone Mic Mask Ipsi WN 82 Speech Bone ...

Page 92: ...ch FF Right Mic Mask Ipsi SN 119 Speech FF Right Mic Mask Ipsi Ext SPECIAL TESTS 120 Special SISI Air Left 121 Special SISI Air Right 122 Special Fowler 123 Special Stenger 124 Special Rainville 125 Vacant 126 Vacant 127 Vacant 128 Tone Bone Mask Air Left NBN 129 Tone FF Right Mask Ins NBN 130 Speech Bone Tape Mask Air Left WN 131 Speech Bone Tape Mask Air Left SN 132 Speech Bone Tape Mask Air Lef...

Page 93: ...ter Disabled 110 mm Header On No DataLog No Averaging 25 Zodiac Printer 110 mm Header On No DataLog No Averaging 26 Std High 110 mm Header On No DataLog No Averaging 27 Std Low 110 mm Header On No DataLog No Averaging 28 Printer Disabled 110 mm Header On No DataLog No Averaging 29 Zodiac Printer 110 mm Header On No DataLog No Averaging 30 Std High 110 mm Header On No DataLog No Averaging 31 Std Lo...

Page 94: ...veraging On 75 Std Low 110 mm No Header No DataLog Averaging On 76 Printer Disabled 110 mm No Header No DataLog Averaging On 77 Zodiac Printer 110 mm No Header No DataLog Averaging On 78 Std High 110 mm No Header No DataLog Averaging On 79 Std Low 110 mm No Header No DataLog Averaging On 80 Printer Disabled A4 L R Header On No DataLog Averaging On 81 Zodiac Printer A4 L R Header On No DataLog Aver...

Page 95: ...ter A4 L R Header On DataLog On Averaging On 114 Std High A4 L R Header On DataLog On Averaging On 115 Std Low A4 L R Header On DataLog On Averaging On 116 Printer Disabled A4 R L Header On DataLog On Averaging On 117 Zodiac Printer A4 R L Header On DataLog On Averaging On 118 Std High A4 R L Header On DataLog On Averaging On 119 Std Low A4 R L Header On DataLog On Averaging On 120 Printer Disable...

Page 96: ...one Vibrator 37 50 Cable For Data Interface 59 Calibration 65 Calibration Check 65 Calibration Errors 65 Calibration Reference 65 Calibration Free Field 65 Care Maintenance 8 CD Player 22 29 39 42 Cleaning 8 Clr All 25 71 Clr L 25 71 Clr R 25 71 Configuration Program 58 69 Connections 5 Connections To Printer PC 74 Continue Programming 25 Continuous Tone 23 Contralateral Masking 29 43 Control Pane...

Page 97: ...sting 28 Free Field Speech Audiometry 31 45 Frequency 12 20 Front Panel 9 Front Panel Control Functions 19 Front Panel Layout Diagram Of 91 Fuses ToChange 9 Header 60 85 HearingLevel 12 19 Hearing Level Lock 26 HLL Off 24 HLL On 26 IBM Pro Printer Driver 59 Increment Patient I D No 67 Input Level Controls 22 Insert Phone 28 38 Insert Phone Masking 29 Inspection 5 Interrupter 12 20 InterrupterMode ...

Page 98: ...phone Level 22 41 MIDICON 69 72 Monitor 11 Monitor Headset 27 Monitor Level 22 54 Monitoring 21 51 54 Monitoring Headset 51 53 54 Narrow Band Noise 38 Narrow Band Noise Masking 45 NBN Masking 36 NBN Noise 43 Noise Excluding Headset 40 51 Operating Controls 19 Operation Panel 11 Option Key 12 Option Softkey 24 Optional Accessories 70 Options Menu 24 54 Packing Specification 5 Patient Communication ...

Page 99: ...0 Pulsing 55 Pulsing Duration 56 Pulsing Rate 56 Pure Tone Audiometry 35 Pure Tone Testing 23 27 Quit Programming 25 Rainville Test 50 Rear Panel 9 Receive 57 Reset Patient I D No 67 Reverse 12 20 RS232C 1 6 RS232C Data Interface 56 67 RXD Line 59 S I S I Test 31 32 47 SelectLanguage 57 Select Panel 11 Select Printer 59 SelectionTree 9 20 Self test 13 Serial Interface Cable 59 Setup Mode 14 23 Set...

Page 100: ...1 12 Tape 1 Level 22 Tape 2 12 39 45 Tape 2 Level 23 Tape Recorder 22 29 39 42 Tape CD Input 30 TDH 39 28 Template 64 Test Mode 14 19 23 26 Test Mode Operating In 19 Test Setup Programming 63 Threshold Logging 60 Tone Switch 12 18 20 Unpacking 5 User Test Programming 63 User Test Programming To Quit 64 User Test Template 64 User Test To Save 64 User Tests 57 63 User programming 57 User Programming...

Page 101: ...ZODIAC 901 Connection To 74 ZODIAC 901 Printout To 59 73 MIDIMATE 622 OPERATION MANUAL Subject Index 95 ...

Page 102: ...AL Front Panel Layout 96 Freq 1000Hz Air C P W L Tone 60dB Air On Off R NBN 60dB Menu Level Select Masking Level Frequency D i a g nost i c Aud i o m e t e r 1 2 3 4 5 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 Level Hearing Level El e c t r o ni c s M I D I M ATE 622 ...

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