User manual

50
NOTE 1 At 80 MHz and 800 MHz, the higher frequency range
applies.
NOTE  These guidelines may not apply in all situations Elec-
tromagneticpropagationisaffectedbyabsorptionandreflection
fromstructuresobjectsandpeople
aFieldstrengthsfromfixedtransmitterssuchasbasestations
for radio (cellularcordless) telephones and land mobile radi-
osamateurradioAMandFMradiobroadcastandTVbroad-
castcannotbepredictedtheoreticallywithaccuracyToassess
the electromagnetic environment due to fixed RF transmitters
anelectromagneticsitesurveyshouldbeconsideredIfthemea-
suredfieldstrengthinthelocationinwhichtheDREAM™series
hearingaidis used exceedstheapplicable RFcompliance level
abovetheDREAMserieshearingaidshouldbeobservedtover-
ifynormaloperationIfabnormalperformanceisobservedaddi-
tionalmeasuresmaybenecessarysuchasre-orientingorre-lo-
catingtheDREAM™serieshearingaid
bOverthefrequencyrangekHztoMHzfieldstrengths
shouldbelessthanVm
Recommendedseparationdistances
Recommendedseparationdistancesbetweenportableandmo-
bileRFcommunicationequipmentandtheDREAM™serieshear-
ingaids
TheDREAM™serieshearingaidsareintendedforuseintheelec-
tromagneticenvironmentinwhichRFdisturbancesarecontrolled
ThecustomerortheuseroftheDREAM™serieshearingaidcan
helppreventelectromagneticinterferencebymaintainingamini-
mumdistancebetweenportableandmobileRFcommunications
equipment(transmitters)andtheDREAM™hearingaidsasrecom-
mendedbelowaccordingtothemaximumoutputpowerofthe
communicationsequipment