Maico MI 34 Operating Instructions Manual

Also see for MI 34: Operation manual

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Maico MI 34 Operating Instructions Manual Manual pdf 21 page image

Operating Instructions MI 34 / MI 34 HGEBAmi34e.11a.docx 20 850 232/14 08/11Figure 15Display of a 1000 Hz TympanogramRight TympanogramStatusREADYml3210-600 -300 300 daPaEar VolumeCompliancePressureTymp 1000 HzGradient0.94 ml0.81 ml- 37 daPa32 daPaside by pressing the L/R-key Äor the probe button · and repeat themeasuring procedure described above with the other ear.4.5 How to evaluate the Tympanogram displayAfter having carried outa measurement you cansee the results on theLCD display.On the left side of thedisplay you see theTympanogram. Thearea surrounded by thebox is valid for“normal”Tympanograms. Youcan change the area orswitch it off. For detailssee chapter12“Individual Setup ofthe MI 34". In themiddle of the top of the LCD display Çthe word Right or Left indicatesthe ear chosen at the moment.Tympanogram at the right top indicates that the reflex measurement hasbeen switched off.In the boxes at the right the determined measurements are displayed:- Ear Volume indicates the volume of the section of the auditory canalbetween the ear tip and the eardrum in ml (in the example 0.94 ml).- Compliance indicates the maximum value of the compliance from theTympanogram in ml (in the example 0.81 ml).- Pressure indicates the pressure with the highest measured Compliance (inthe example -37 daPa).- Gradient calculations are reported as the Tympanogram width at half ofpeak compliance expressed in daPa (in the example 32 daPa).