otometrics MADSEN Alpha OAE, Руководство пользователя

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The test starts automatically when calibration is completed.
“Incomplete” message
If the message Incomplete appears:
• Refit the probe and make sure that it fits correctly.
• Press the
Start
button to restart the test.
5.3.2 The DPOAE test
The test as it progresses is shown on the display. The test ear and the frequency cur-
rently being tested is shown at the top of the screen.
If
Child Mode
is activated, an animated car is displayed on the screen during testing.
(See
Selecting child mode
►
25
.)
The progress bar under the animated picture is green if the test conditions are good
and it is gray if there is too much noise.
The bar gets longer as each test frequency in the sequence is completed.
If
Child Mode
is not activated, a bar chart is displayed. See the
Test details
table
below for a description of the bar chart and other data displayed.
• If needed, press the
Stop
button to stop the test. The test will be saved as an
incomplete test.
The test frequencies are
•
5 kHz
• 4 kHz
• 3 kHz
• 2 kHz
where 5 kHz is tested first.
The default PASS/REFER criterion is 3/4. The test stops automatically if 3 frequencies reach a
PASS
result or 2 fre-
quencies receive a
REFER
result.
Otometrics - MADSEN Alpha OAE 27
5 Testing with Alpha OAE