Invacare Carroll CS3 - Page 17

Invacare®CarrollCSSeries™
ConductedRF
IEC61000-4-6
3Vrms
150kHzto80MHz
3Vrms
PortableandmobileRFcommunicationsequipmentshouldbeusedno
closertoanypartoftheCSBed,includingcables,thantherecommended
separationdistancecalculatedfromtheequationapplicabletothe
frequencyofthetransmitter.
Recommendedseparationdistance
d=1.2√P
RadiatedRF
IEC61000-4-3
3V/m
80MHzto2,5GHz
3V/m
d=1.2√P80MHzto800MHz
d=2.3√P800MHzto2,5GHz
wherePisthemaximumoutputpowerratingofthetransmitterin
watts(W)accordingtothetransmittermanufactureranddisthe
recommendedseparationdistanceinmetres(m).
FieldstrengthsfromfixedRFtransmitters,asdeter-minedbyan
electromagneticsitesurvey,
a
shouldbelessthanthecompliancelevel
ineachfrequencyrange.
b
Interferencemayoccurinthevicinityofequipmentmarkedwiththe
followingsymbol:
At80MHzand800MHz,thehigherfrequencyrangeapplies.
Theseguidelinesmaynotapplyinallsituations.
Electromagneticpropagationisaffectedbyabsorptionand
reflectionfromstructures,objectsandpeople.
a.Fieldstrengthsfromfixedtransmitters,suchasbasestationsfor
radio(cellular/cordless)telephonesandlandmobileradios,amateur
radio,AMandFMradiobroadcastandTVbroadcastcannotbe
predictedtheoreticallywithaccuracy.Toassesstheelectromagnetic
environmentduetofixedRFtransmitters,anelectromagneticsite
surveyshouldbeconsidered.Ifthemeasuredfieldstrengthinthe
locationinwhichtheCSBedisusedexceedstheapplicableRF
compliancelevelabove,theCSBedshouldbeobservedtoverify
normaloperation.Ifabnormalperformanceisobserved,additional
measuresmaybenecessary,suchasre-orientingorrelocatingthe
CSBed.
b.Overthefrequencyrange150kHzto80MHz,fieldstrengths
shouldbelessthan3V/m.
161153410-N~00