User's Guide
59Tinnitus Management
5. Unilateral hearing loss of sudden or recent onset within the previous 90 days.
6. Audiometric air-bone gap equal to or greater than 15dB at 500 hertz (Hz), 1000 Hz, and 2000 Hz.
7. Visible evidence of signicant cerumen accumulation or a foreign body in the ear canal.
8. Pain or discomfort in the ear.
CAUTION: The maximum output of the sound generator falls into the range that can cause hearing
loss according to OSHA regulations. In accordance with NIOSH recommendations, the user should
not use the sound generator for more than eight (8) hours a day when this is set to a level of 85db
SPL or above. When the sound generator is set to levels of 90db SPL or above the user should
not use the sound generator for more than two (2) hours per day. In no case should the sound
generator be worn at uncomfortable levels.