General Maintenance Procedures - Interacoustics AT235 Instructions For Use Manual

AT235 Instructions for Use -EN
11) Check that attenuators do attenuate the signals over their full range and that attenuators which are
intended to be operated while a tone is being delivered are free from electrical or mechanical noise
12) Check that controls operate silently and that no noise radiated from the audiometer is audible at the
subject's position.
13) Check subject communication speech circuits, if appropriate, applying procedures similar to those
used for pure-tone function.
14) Check tension of headset headband and bone vibrator headband. Ensure that swivel joints are free
to return without being excessively slack.
15) Check headbands and swivel joints on noise-excluding headsets for signs of wear strain or metal
fatigue.

4.2 General Maintenance Procedures

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Before cleaning always switch off and disconnect from the power supply
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Follow local best practice and safety guidelines if available
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Use a soft cloth lightly dampened with cleaning solution to clean all exposed surfaces
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Do not allow liquid to come in contact with the metal parts inside the earphones / headphones
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Do not autoclave, sterilize or immerse the instrument or accessory in any fluid
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Do not use hard or pointed objects to clean any part of the instrument or accessory
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Do not let parts that have been in contact with fluids dry before cleaning
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Rubber ear-tips or foam ear-tips are single use components
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Ensure that isopropyl alcohol does not come into contact with any screens on the instruments
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Ensure that isopropyl alcohol does not come into contact with any silicone tubes or rubber parts
Recommended cleaning and disinfection solutions:
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Warm water with mild, nonabrasive cleaning solution (soap)
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Normal hospital bactericides
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70% isopropyl alcohol only on hard cover surfaces
Procedure
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Clean the instrument by wiping outer case with a lint free cloth lightly dampened in cleaning solution
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Clean cushions and patient hand switch and other parts with a lint free cloth lightly dampened in
cleaning solution
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Make sure not to get moisture in the speaker portion of the earphones and similar parts
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