EMI/RFIWARNING
RADIOWAVE SOURCES MAYAFFECTPOWERED MOBILEVEHICLECONTROL.
Electromagnetic(EMI) or RadioFrequencyInterference(RFI)referstotheeffectsthat outside sources of
suchenergymight haveonthecontrolsystemsofyour mobilityvehicle.Theinterference fromthese
sources couldcausethevehicletorelease itsbrakes,movebyitself,and/orcausedamage tothe mobility
vehiclecontroller.
Thesources of EMI/RFIcanbebroadlyclassified intothreetypes:
•Handheldportabletransceiverswithantennamounteddirectlyonthetransmittingunit. Examples
include:citizensbandradios(CB), “walkietalkies”, security,fireand policetransceivers,cellular
telephones, andotherpersonalcommunicationdevices.
•Mediumrange mobiletransceivers. These usuallyhavethe antenna mountedoutsideof avehicle
or abuilding.Examplesinclude:police,fire,ambulanceandtaxireceivers.
•Longrange transmittersand receivers,such as commercialbroadcast transmitters(radioandTV
broadcastantenna towers)andamateur(HAM) radios.
Note:Sofarasweknow,othertypesofhandhelddevices, suchascordless phones, laptop
computers,AM/FMradios, TV sets,CDplayersandcassetteplayersand smallappliancessuch
aselectricshaversandhairdryersarenotlikelytocauseEMI/RFIproblemstoyourmobility
vehicle.
SAFETYPRECAUTIONS
Thefollowing aresomeprecautionsyoucantaketoreduce theriskof amobilityvehiclefrombeing affected
byEMI/RFI.
1.Donot turnonoruse handheldpersonal communicationdevices, such as citizensbandradios
(CB) and cellularphones whileyourvehicleisturnedon.
2.Beawareofnearbytransmitters,such as TVor radiostationsandtrytoavoidcoming closetothem.
3.Beawarethat addingaccessoriesand/or components, ormodifyingyour mobilityvehicleinany
way,may changeitsEMI/RFIresistancelevel, thusmakingitmoresusceptibletointerference from
radiowavesources.
4.Turnoff yourmobilityvehiclebyremovingthekeyfromthekeyswitch whenyouaregettingontoor
off of yourmobilityvehicleandneverleave thekeyinthe keyswitch of anunattendedmobility
vehicle.
5.Report all incidentsofunintendedmovementor unexpectedbrake releasestoZip rMobility.
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