Note: Other types of hand-held devices, such as cordless phones, laptop computers,
AM/FM radios, TV sets, CD player, and 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 scooter.
■ POWERED VEHICLE ELECTROMAGNETIC INTERFERENCE (EMI)
Because EM energy rapidly becomes more intense as one moves closer to the
transmitting antenna (source), the EM fields from hand-held radio wave sources
( transceivers ) are of special concern. It is possible to unintentionally bring high
levels of EM energy very close to the control system of power chair while using
these devices. This can affect powered vehicle movement and braking. Therefore,
the warnings listed below are recommended to prevent possible interference with the
control system of the powered scooter.
■ WARNINGS
Electromagnetic interference (EMI) from sources such as radio and TV stations,
amateur radio (HAM) transmitters, two-way radios, and mobile phones can affect
powered scooter and motorized scooter. Following the warnings listed below should
reduce the chance of unintended brake release or powered scooter movement which
could result in serious injury.
• Do not operate hand-held transceivers-receivers), such as citizens band (CB)
radios,
or turn ON personal communication devices, such as cellular phones, while the
powered vehicle 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 powered vehicle OFF as
soon as it is safe;
• Be aware that adding accessories or components, or modifying the powered
vehicle,
may make it more susceptible to EMI ( Note: There is no easy way to evaluate
their effect on the overall immunity of the powered scooter).
• Report all incidents of unintended movement or brake release to the powered
scooter manufacturer, and note whether there is a source of EMI nearby,
IMPORTANT INFORMATION
• 20 Volts per meter ( V/m) is a generally achievable and useful immunity level
against EMI ( the higher the level, the greater the protection);
• This product has an immunity level of 20 V/m without any accessories and
connected to it.
