EMI/RFI WARNING


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.


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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