Operating Instructions MI 34 / MI 34 H
GEBAmi34e.11a.docx
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850 232/14 08/11
Figure 25
Fixation of the diagnostic probe
7 Reflex Decay Test Operation
The diagnostic probe insert must be used for this test. If you are currently
using the optional screening probe insert, do not use it for this test!
To exchange the probe insert press the release button
¹
of the probe with
a tool or a pen. Remove the screening probe insert. Insert the diagnostic
probe insert
¿
into the probe head
º
. Please recognize the right position of
the connector of the diagnostic probe insert
¿
. Press the diagnostic probe
insert
¿
into the probe head
º
until it fastens.
Place the black shoulder strap firmly
over the patients shoulder. Slip the
probe into the holder of shoulder
strap (as shown in figure 25). Make
sure you can see the LEDs of the
probe. Place an appropriately sized
eartip firmly on the probe tip. Insert
the tip into the ear canal, enough
to make a seal and provide support
for the probe tip.
If you’re using the headset contra
phone, place the phone over the
opposite ear, making sure the
receiver lines up directly with the
ear canal.
Run a tympanogram and reflex test
as described before.
Highlight REFLEX DECAY on the
main menu or press the
DECAY
key
Ñ
to advance to the reflex decay
test.
Select a frequency test level.
The test level should be set 10 dB above the reflex threshold measured
before.