Conducting A Measurement - Maico Ero Scan Pro Operating Instructions Manual

Operating Instructions

4.6 Conducting a measurement

After selecting the desired protocol or series, press the right or left arrow button on the navigator or
R
or button on the external probe keypad to begin a measurement. Select the left arrow or
start a left ear test. Press the right arrow or
AutoStart
The first phase in the test sequence is AutoStart which checks the fit of the probe in the ear canal. The
actual calibration and measurement will commence once an adequate probe fit has been achieved. The
sequence can be started with the probe placed in the ear or prior to positioning the probe in the ear.
This is a matter of user preference. Users of the internal probe tend to prefer to start the test before
positioning the probe in the ear.
AutoStart consists of low-frequency, alternating tones which are used to check for the following
conditions: Seal of the eartip to the ear canal, leak, blocked probe, clogged probe tip, stability of the
probe, and noise. During AutoStart the condition of the probe in the ear is represented by the following
images:
AutoStart 1
AutoStart 2
AutoStart 3
Note: Do not hold the probe in the ear during OAE testing. This will introduce noise into the
measurement. Common sources of noise are environmental (room noise), biological (patient breathing,
moving, talking, chewing, etc.), or physical (probe movement).
R
button to start a right ear test.
Probe not in ear or leak (AutoStart 1):
This image indicates the probe is outside the ear canal or there is no
seal. Continue to insert the probe into the ear canal. If this condition
persists, a different eartip may be required.
securely seated deep in the ear canal.
Probe in ear and seal detected (AutoStart 2):
This image indicates the probe is in the ear canal. The test will start
soon as long as all conditions of AutoStart are met. If the test does
not begin, that may be the result of instability (probe is moving
because fit is not secure or the patient is too active) or there is
excessive noise present. If this image persists and testing does not
begin, refit the probe and try again. A different eartip may be
required.
Probe blocked (AutoStart 3):
This image indicates the probe is blocked. The eartip or probe tip
might be blocked by ear wax (cerumen) or vernix (birth fluid) or the
probe has been pushed against the ear canal wall.
Remove the probe from the ear and check for wax/debris then reinsert
changing angle or position of the probe until AutoStart image 2
appears. If the blocked probe condition persists, see section10 on
Troubleshooting.
13
L
L
button to
Be sure the eartip is