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.