Maico MI 34 Operating Instructions Manual

Also see for MI 34: Operation manual

Contents

Maico MI 34 Operating Instructions Manual Manual pdf 27 page image

Operating Instructions MI 34 / MI 34 HGEBAmi34e.11a.docx 26 850 232/14 08/11Figure 22 Example of a normal Tympanogram withcontra- lateral reflex resultsFigure 23 Example of a normal Tympanogram withipsilateral reflex resultsRightStatusREADYml3210-600 -300 300 daPaEar VolumeCompliancePressureImpedanceGradient0.94 ml0.81 ml- 37 daPa32 daPaIpsi1 2 3 4500 Hz I 1000 Hz I 2000 Hz I 4000 Hz IdB100 100100100PASS PASSPASSPASSAUTO Scale6.5 Preparing the contralateral measurementSwitch on the contralateral reflexmeasurement by pressing again thered REFLEX-key Å (The wordCONTRA must appear on the righttop of the LCD - display Ç). Here thehighest fixed level is 110 dB HL .The contra lateral measurementproduces more reliable resultsbecause the receiver emitting the testsignal and the probe measuring thecompliance are separated.Continue as described previously forthe ipsilateral measurement.Press again the red button reflexlateral È and Contra measurement in a single pass implemented. The wordIPSI Contra you will see right at the top of the LCD.6.6 How to interpret thereflex displayAfter having carried out ameasurement you can read therecorded values on the LCD display.In addition to the Tympanogramshown on the left side and thevalues shown on the right, now youcan see the results of the reflexmeasurement in the lower part ofthe display Ç. In four boxes marked1 to 4 the stapedius response isshown graphically. Below each boxthe test level, the test frequency,the type of the test (I=ipsi, C=contra lateral) are shown. Also the test result is shown as “PASS” or“FAIL”. In the example in Figure 23 for 500 Hz a stapedius reflex was