Powered Vehicle Electromagnetic Interference (EMI)
Because EM energy rapidly becomes more intense as one moves closer to the
transmitting antenna, the EM field from hand-held radio wave sources
(transceivers) are of special concern. It is possible to unintentionally bring high
levels of EM energy close to the powered vehicle’s control system 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 vehicle.
WARNINGS
Electromagnetic interference (EMI) from sources such as radio and TV
stations, amateur radio (HAM) transmitters, two-way radios and cellular
phones can affect powered vehicles.
Following the warnings listed below should reduce the chance of unintended
brake release or powered vehicle movement which could result in serious
injury:
1) Do not operate hand-held transceivers (transmitters-receivers) such as
citizen band (CB) radios, or turn ON personal communication devices such as
cellular phones, while the powered vehicle is ON;
2) Be aware of nearby transmitters, such as radio or TV stations and try to
avoid coming close to them
3) On appearance of unintended movements or brake release occurrences,
switch the powered vehicle OFF as soon as it is safe.
4) 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 level of the powered
vehicle).
5) Please report to us all incidents of unintended movement or brake release
and note whether there is a source of EMI nearby.
Important information
1) 10 volts per meter (V/m) is a generally achievable and useful immunity
level against EMI (as of May 1994). The higher the level the greater the
protection;
2) This product as delivered to you has an immunity level of 20 V/m.
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