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D-0126050 rev 1 - 270+ Operating Manual
5. ROUTINE MAINTENANCE
5.1. GENERAL MAINTENANCE PROCEDURES
The performance and safety of the instrument will be maintained if the following recommendations for care
and maintenance are observed:
1. It is recommended that the instrument go through at least one annual service, to ensure that the
acoustical, electrical and mechanical properties are correct. This should be carried out by an
authorised service centre in order to guarantee proper service and repair.
2. Observe that no damage is present to the insulation of the mains cable or the connectors and that it
is not exposed to any kind of mechanical load that could involve damage.
3. To ensure that the reliability of the instrument is maintained, we recommend that the operator, at short
intervals, for instance once a day, performs a test on a person with known data or the recommend
Amplivox ER75.
4. If the surface of the instrument or parts of it are contaminated, it can be cleaned using a soft cloth
moistened with a mild solution of water and detergent or similar. Always disconnect the mains power
adaptor during the cleaning process and be careful that no fluid enters the inside of the instrument or
accessories.
5. After each patient examination, ensure that there has been no contamination to the parts touching the
patient. General precautions must be observed in order to avoid cross-contamination of disease from
one patient to another. Water should be used for frequent cleaning, but in the case of severe
contamination it may be necessary to use a disinfectant.
• Before cleaning always switch off and disconnect from the power supply
• Use a soft cloth lightly dampened with cleaning solution to clean all exposed surfaces
• Do not allow liquid to come in contact with the metal parts inside the earphones/headphones
• Do not autoclave, sterilise or immerse the instrument or accessories in any fluid
• Do not use hard or pointed objects to clean any part of the instrument or accessories
• Do not let parts that have been in contact with fluids dry before cleaning
• Rubber ear-tips or foam ear-tips are single use accessories
Recommended cleaning and disinfection solutions:
• Warm water with mild, nonabrasive cleaning solution (soap)
• 70% isopropyl alcohol only on hard cover surfaces
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