Checks in hearing aids for fining or repair Instructs patients regarding everyday use and care of the hearing aids, including proper insertion/removal of the aids, insertion/removal of the batteries, proper cleaning and maintenance regimen, adjusting the hearing aids, telephone usage, and various accessories and assistive listening devices. Job Duties: Conduct and participate in hearing screening, screening otoscopy, tympanometry, basic pure-tone air conduction testing, otoacoustic emission and auditory brainstem response screening, Functions as a test assistant in performing visual reinforcement audiometry, conditioned play audiometry, and picture pointing speech recognition testing.