General Maintenance Procedures - Interacoustics AT235 Instructions For Use Manual

11) Check that attenuators do attenuate the signals over their f ull range and that attenuators which are
intended to be operated while a tone is being delivered are f ree f rom electrical or mechanical noise
12) Check that controls operate silently and that no noise radiated f rom the audiometer is audible at the
subject's position.
13) Check subject communication speech circuits, if appropriate, applying procedures similar to those
used f or pure-tone f unction.
14) Check tension of headset headband and bone vibrator headband. Ensure that swivel joints are f ree
to return without being excessively slack.
15) Check headbands and swivel joints on noise-excluding headsets f or signs of wear strain or metal
f atigue.

4.2 General Maintenance Procedures

• Bef ore cleaning always switch of f and disconnect f rom the power supply
• Follow local best practice and saf ety guidelines if available
Use a sof t cloth lightly dampened with cleaning solution to clean all exposed surf aces
•
Do not allow liquid to come in contact with the metal parts inside the earphones / headphones
•
• Do not autoclave, sterilize or immerse the instrument or accessory in any f luid
• Do not use hard or pointed objects to clean any part of the instrument or accessory
Do not let parts that have been in contact with f luids dry bef ore cleaning
•
Rubber ear-tips or f oam ear-tips are single use components
•
Recommended cleaning and disinf ection solutions:
Warm water with mild, nonabrasive cleaning solution (soap)
•
Procedure
• Clean the instrument by wiping outer case with a lint f ree cloth lightly dampened in cleaning solution
Clean cushions and patient hand switch and other parts with a lint f ree cloth lightly dampened in
•
cleaning solution
Make sure not to get moisture in the speaker portion of the earphones and similar parts
•
D-0128073-C – 2022/05
AT23 5 - Instructions for Use - US Page 40