4
ELECTROMAGNETIC INTERFERENCE/
COMPATIBILITY
OTE:
Nearly every electronic device is sus-
ceptible to electromagnetic interference
(EMI) if inadequately shielded, designed
or otherwise configured for electromag-
netic compatibility.
Facilities
To avoid electromagnetic interference and/or
compatibility conflicts, turn off your device in any
facility where posted notices instruct you to do so.
Hospitals or health care facilities may be using
equipment that is sensitive to external RF energy.
Aircraft
When instructed to do so, turn off your device
when on board an aircraft. Any use of your device
must be in accordance with applicable regula-
tions per airline crew instructions.
Medical Devices
Pacemakers
The Health Industry Manufacturers Association
recommends that a minimum separation of 6
inches (15 centimeters) be maintained between a
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