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Safety 4HERATINGSARENOTGUARANTEES2ESULTSWILLVARYDEPENDINGONTHEUSERgS HEARINGDEVICEANDHEARINGLOSS)FYOURHEARINGDEVICEHAPPENSTOBE VULNERABLETOINTERFERENCEYOUMAYNOTBEABLETOUSEARATEDPHONE SUCCESSFULLY4RYINGOUTTHEPHONEWITHYOURHEARINGDEVICEISTHEBESTWAY TOEVALUATEITFORYOURPERSONALNEEDS -2ATINGS0HONESRATED-OR-MEET&##REQUIREMENTSANDARELIKELY TOGENERATELESSINTERFERENCETOHEARINGDEVICESTHANPHONESTHATARENOT LABELED-ISTHEBETTERHIGHEROFTHETWORATINGS 42ATINGS0HONESRATED4OR4MEET&##REQUIREMENTSANDARELIKELYTO GENERATELESSINTERFERENCETOHEARINGDEVICESTHANPHONESTHATARENOT LABELED4ISTHEBETTERHIGHEROFTHETWORATINGS (EARINGDEVICESMAYALSOBERATED9OURHEARINGDEVICEMANUFACTUREROR HEARINGHEALTHPROFESSIONALMAYHELPYOUlNDTHISRATING(IGHERRATINGS MEANTHATTHEHEARINGDEVICEISRELATIVELYIMMUNETOINTERFERENCENOISE 4HEHEARINGAIDANDWIRELESSPHONERATINGVALUESARETHENADDEDTOGETHER !SUMOFISCONSIDEREDACCEPTABLEFORNORMALUSE!SUMOFIS CONSIDEREDFORBESTUSE )NTHEABOVEEXAMPLEIFAHEARINGAIDMEETSTHE-LEVELRATINGANDTHE WIRELESSPHONEMEETSTHE-LEVELRATINGTHESUMOFTHETWOVALUESEQUAL -4HISSHOULDPROVIDETHEHEARINGAIDUSERWITHhNORMALUSAGEvWHILE USINGTHEIRHEARINGAIDWITHTHEPARTICULARWIRELESSPHONEh.ORMAL USAGEvINTHISCONTEXTISDElNEDASASIGNALQUALITYTHATSACCEPTABLEFOR NORMALOPERATION7HENYOURETALKINGONACELLPHONEITSRECOMMENDED THATYOUTURNTHE"4OR7,!.MODEOFFFOR(!#4HE-MARKISINTENDED TOBESYNONYMOUSWITHTHE5MARK4HE4MARKISINTENDEDTOBE SYNONYMOUSWITHTHE54MARK4HE-AND4MARKSARERECOMMENDEDBY THE!LLIANCEFOR4ELECOMMUNICATIONS)NDUSTRIES3OLUTIONS!4)34HE5AND 54MARKSAREREFERENCEDIN3ECTIONOFTHE&##2ULES4HE(!# RATINGANDMEASUREMENTPROCEDUREAREDESCRIBEDINTHE!MERICAN.ATIONAL 159