Other types of handheld devices, such as cordless
phones, laptop computers, AM/FM radios, TV sets, CD
players, cassette players, and small appliances, such as
electric shavers and hair dryers, so far as we know, are
not likely to cause EMI problems to your powered
mobility device.
3.2 Powered Wheelchair Electromagnetic
Interference (EMI)
Because EM energy rapidly becomes more intense as one
moves closer to the transmitting antenna (source), the EM fields
from handheld radio wave sources (transceivers) are of special
concern. It is possible to unintentionally bring high levels of EM
energy very close to the mobility devices control system while
using these devices. This can affect the mobility device’s
movement and braking. Therefore, the warnings listed below
are recommended to prevent possible interference with the
control system of the mobility device.
Electromagnetic interference (EMI) from sources such as radio
and TV stations, amateur radio (HAM) transmitters, two-way
radios, and cellular phones can affect powered wheelchairs and
motorized scooters.
FOLLOWING THE WARNINGS LISTED BELOW SHOULD
REDUCE THE CHANCE OF UNINTENDED BRAKE RELEASE
OR POWERED WHEELCHAIR MOVEMENT WHICH COULD
RESULT IN SERIOUS INJURY.
WARNING!
-DO NOT operate handheld transceivers (transmitters
receivers), such as citizens band (CB) radios, or turn
ON personal communication devices, such as cellular
phones, while the mobility device is turned ON;
-Be aware of nearby transmitters, such as radio or TV
stations, and try to avoid coming close to them;
-If unintended movement or brake release occurs,
turn the mobility device OFF as soon as it is safe;
-Be aware that adding accessories or components, or
modifying the mobility device, may make it more
susceptible to EMI (Note: There is no easy way to
evaluate their effect on the overall immunity of the
mobility device); and
-Report all incidents of unintended movement or
brake release to Invacare and note whether there is
a source of EMI nearby.
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Summary of Contents for AVIVA FX
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