GN Otometrics A/S
37
CAPELLA Cochlear Emissions Analyzer
User Manual
new measurement or to view other measurements made on
the same ear during the session.
13.
Repeat the procedure beginning with Probe fit for measuring
the other ear.
4.7
Tympanometry
1.
Click on the
Tympanometry
icon or choose
Tympanome-
try
in the
Mode
menu. If the patient shows signs of distress
at any time, release the air pressure by clicking on
Air
release (F5)
or pressing
F5
on the keyboard.
2.
If required, reduce measurement time by clicking on the
up
arrow in the
Pump speed
box.
A.F.A.P.
means "As fast as
possible".
3.
To alter other settings (pump pressure range and sweep direc-
tion, display scaling and smoothing, auto start, measurement
increment, and stop when results available), select
Parame-
ters
in the
Setup
menu and choose different settings as
required.
4.
Select
probe tone
in the
Frequency
box.
5.
To prevent the sweep from restarting if a leak is detected, click
Off
in the
Leak detect
box.
6.
If
auto start
has not been selected, click on
Start
to begin
the sweep. If a leak halts the sweep or the
Pump position
displayed during the sweep is seen to reach either of its end
stops, try to improve the seal between the eartip and the ear
canal, and then sweep again.
7.
To compare the recorded tympanogram with norm data, click
on
Setup
and then on
Norm data
. Click on the option
required and then click on
OK
.
8.
Up to 3 tymp. measurements can be made for each ear. Click
on the arrow keys in the
Meas. No.
box on the lower left to
make a new measurement (if
Enable meas. no. increment
has not been checked in
Setup
) or to view other measure-
ments made on the same ear during the session.