Maico MI 34, Operating Instructions Manual

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Operating Instructions MI 34 / MI 34 H
GEBAmi34e.11a.docx
19
850 232/14 08/11
Impedance
Right Tympanogram
Status
READY
ml
3
2
1
0
-600 -300 300 daPa
Ear Volume
Compliance
Pressure
Gradient
Figure 14 - Measurement screen (only Tympanogram)
4.3 Preparing the measurement
Before you start a new
measurement, delete
former test results (see
also chapter 4.7.) The
LCD display shows the
empty measurement
screen for the right ear
and the control light
of the probe lights red.
If you want to measure
the left ear change the
side by pressing the
L/R -key or the probe
button. Then the
selected test ear shown
in the middle of the top of the LCD display will change from Right to Left
and the control light of the probe lights blue. Switch off the reflex
measurement by pressing the REFLEX-key . The word Tympanometry must
appear at the right top of the display. Control if the auditory canal is free.
Choose the right ear tip according to the size of the auditory canal and put
it firmly onto the probe tip.
4.4 Measuring the Tympanogram
Take hold of the top of the outer ear and pull it back. Insert the probe with
the ear tip into the auditory canal until the control light
¹
of the probe is
green. In order to start the test press the Enter button
Ï
and the control
light in the probe is lighting permanently green. The status in the display
changes to “Testing”. Do not move the probe until the green light goes
out; the patient may not swallow or speak during the measurement. During
the test you can watch on the LCD display how at first the Tympanogram is
written on the left side and then how the values are put down on the right
side. After about 4-5 seconds the test is completed, the green light turns
off. Now you can remove the probe from the ear.
If an error occurs during the measurement the test is stopped. If leakage
occurs, the control light
¹
of the probe lights yellow and the display
Ç
under status “LEAKING" is reported. If the probe is blocked, the control
light
¹
of the probe lights yellow and at the display
Ç
shows under status
“BLOCKED". Please proceed as described in chapter 3.6 “Getting familiar
with the probe”. If you want to measure the other ear, too, change the