Shoprider TE-889XLSN Manuale Utente

7/3/2006 

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Shoprider® Flagship ™ may be susceptible to electromagnetic interference (EMI), 
which is a kind of interfering electromagnetic energy (EM) emitted from sources such as 
radio stations, TV stations, amateur radio (HAM) transmitters, two-way radio, and 
cellular phones.  The interference (from radio wave sources) can cause the scooter to 
release its brakes, move by itself, or move in unintended directions.  It can also 
permanently damage the scooter’s control system. 
 
The sources of radiated EMI can be broadly classified into three types: 
 
1.  Hand-held portable transceivers (transmitters-receivers) with the antenna mounted 

directly on the transmitting unit.  Examples include: citizens band (CB) radios, 
“walkie talkie”, security, fire and police transceivers, cellular telephones, and other 
personal communication devices. 

 
NOTE!  Some cellular telephones and similar devices transmit signals while they 
are ON, even when not being used. 
 
2.  Medium-range mobile transceivers, such as those used in police cars, fire trucks, 

ambulances, and taxis.  These usually have the antenna mounted on the outside of 
the vehicle. 

 
3. 

 

Long-range transmitters and transceivers, such as commercial broadcast 
transmitters (radio and TV broadcast antenna towers) and amateur (HAM) radios. 

 
NOTE!  Other types of hand-held 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, so far as we know, are not 
likely to cause problems to the scooter. 
 
Scooter 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 sources (transceivers) 
are of special concern.  It is possible to unintentionally bring high levels of EM energy 
very close to the scooter’s control system while using these devices.  This can affect 
scooter movement and braking.  Therefore, the warnings listed below are 
recommended to prevent possible interference with the control system of the scooter.