Owner's Manual

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available information concerning the prospective user, that the prospective
user has any of the following conditions:
Visible congenital or traumatic deformity of the ear.
History of active drainage from the ear within the previous 90 days.
History of sudden or rapidly progressive hearing loss within the previous
90 days.
Acute or chronic dizziness.
Unilateral hearing loss of sudden or recent onset within the previous 90
days.
Audiometric air-bone gap equal to or greater than 15 decibels at 500
hertz (Hz), 1,000 Hz, and 2,000 Hz.