oticon DUAL Instructions For Use Manual page 39

Dysfunction in hearing instruments
• Hearing instruments may stop functioning, for instance if the batteries have expired or
if the receiver/loudspeaker is blocked by moisture or earwax. You should be aware of
this possibility, in particular when you are in traffic or otherwise dependent on
warning sounds.
Interference
• Your hearing instruments have been thoroughly tested for interference, according to
the most stringent international standards. But new technical developments constant-
ly bring new products into society, and some may emit electromagnetic radiation,
leading to unforeseen interference in hearing devices. Examples include induction
cooking appliances, shop alarm systems, mobile telephones, fax machines, personal
computer devices, X-rays, Computer tomography, etc.
• Your hearing instruments are designed to comply with the most stringent Standards of
International Electromagnetic Compatibility. However, your hearing instrument may
cause interference with other medical devices. Such interference can also be caused
by radio signals, power line disturbances, airport metal detectors, electromagnetic
fields from other medical devcies and eletrostatic discharges.