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It should be noted, however, that when operating the device near a computer
terminal or other strong electromagnetic field (e.g., RFID system, metal detectors,
electromagnetic anti-theft systems), it may be necessary to be at least 24” (60 cm)
away to ensure proper operation. If the Naída CI M90 sound processor does not
respond to the implant device because of an unusual field disturbance, move away
from the disturbing field. Consult Guidance and Manufacturer’s Declaration section
in this IFU for determining safe EM field levels.
• Use of the Naída CI M90 sound processor next to or stacked with other equipment
should be avoided because it could result in improper operation (e.g., poor sound
quality, cutouts in sound, delay in response when making adjustments, or loss of
lock). If such use is necessary, the Naída CI M90 and the other equipment should be
observed to verify that they are operating normally.
• Use of components, accessories, and cables other than those specified in the
Compatibility section of thisdocument could result in increased electromagnetic
emissions or decreased electromagnetic immunity of thisequipment and result in
improper operation (e.g., poor sound quality, cutouts in sound, delay in response
when making adjustments, or loss of lock).
• Portable RF communications equipment (including devices such as antenna cables
and external antennas) should be used no closer than 12 inches (30 cm) to any part
of the Naída CI M90 sound processor, including the headpiece cable. Decreased
performance of the sound processor, headpiece, or other accessories could
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