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>>HOME>>RESOURCE>>DWONLOADS
EMI/RFI WARNING
RADIO WAVE SOURCES MAY AFFECT POWERED MOBILE
VEHICLE CONTROL.
Electromagnetic (EMI) or Radio Frequency Interference (RFI)
refers to the effects that outside sources of such energy might
have on the control systems of your mobility vehicle. The
interference from these sources could cause the vehicle to
release its brakes, move by itself, and/or cause damage to the
mobility vehicle controller.
The sources of EMI/RFI can be broadly classified into three
types:
• Handheld portable transceivers with antenna mounted directly
on the transmitting unit. Examples include: citizens band radios
(CB), “walkie talkies”, security, fire and police transceivers,
cellular telephones, and other personal communication devices.
• Medium range mobile transceivers. These usually have the
antenna mounted outside of a vehicle or a building. Examples
include: police, fire, ambulance and taxi receivers.
• Long range transmitters and receivers, such as commercial
broadcast transmitters (radio and TV broadcast antenna towers)
and amateur (HAM) radios.
Note: So far as we know, other types of handheld devices, such
as cordless phones, laptop computers, AM/FM radios, TV sets, CD
players and cassette players and small appliances such as
electric shavers and hair dryers are not likely to cause EMI/RFI
problems to your mobility vehicle.
SAFETY PRECAUTIONS
The following are some precautions you can take to reduce the
risk of a mobility vehicle from being affected by EMI/RFI.
1. Do not turn on or use hand held personal communication
devices, such as citizens band radios (CB) and cellular phones
while your vehicle is turned on.
2. Be aware of nearby transmitters, such as TV or radio stations
and try to avoid coming close to them.
3. Be aware that adding accessories and/or components, or
modifying your mobility vehicle in any way, may change its EMI/RFI
resistance level, thus making it more susceptible to
interference from radio wave sources.
4. Turn off your mobility vehicle by removing the key from the
key switch when you are getting onto or off of your mobility
vehicle and never leave the key in the key switch of an
unattended mobility vehicle.
5. Report all incidents of unintended movement or unexpected
brake releases to Zip’r Mobility.
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