ELECTRONICA-Technologies
Rev. January 2017
Series 9000 AUDIOMETERS
Audiometer 9910
Version EN1_H
Page 32
8.
Routine maintenance
Never open up the device. There is no reason for anyone other than a manufacturer-
approved technician to attempt to conduct repairs.
Defective batteries can be replaced only by the manufacturer (optional feature).
It is recommended to achieve some good running tests (refer to standard ISO 8253-1 to
know all the test procedures)
Routine check and subjective tests every weeks
Every 3 years : calibration, total functional checking, verification of headphones
and box status