Once the tympanometry function is under way, besides indicating the status
of the probe, the screen will also display a progress bar showing how far the
test has advanced. The instrument carries out a pressurized scan, and if a
pressure-tight closure is properly ensured, displays the completed
tympanometry: in the event of pressure losses being detected, the
instrument will repeat the pressurized scan up to three times before
generating an alert to indicate that there is a problem.
Should it prove impossible to conduct the test as the result of pressure loss,
the problem may be overcome by replacing the earpiece with another of
different size and/or adjusting the position and angle of the probe in the
auditory canal.
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