AAO-HNSF Certificate Program for Otolaryngology Personnel

Calibration

Certain biological checks should be performed daily prior to beginning of the test day: –A quick listening check each day can prevent testing mistakes that could lead to costly mistakes in decision making

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

28

Calibration: Daily Biological Check • All cables should be checked for shorts • Earphone cushions should be checked for cracks or loss of resilience • Output should be checked for symmetry and linearity • Settings of amplifiers for sound field should be checked • Any unexplained or unusual results during the day should prompt a check

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

29

Calibration: Record Keeping • Biological and electroacoustical calibrations should be carefully documented • Dates, times, and manner of calibration should be recorded as well as specific results in electronic calibrations • Important for medical-legal cases

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

30