LGD631 User Manual

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125

Safety Guidelines

professionalmayhelpyoufindthisrating.Higherratingsmeanthatthehearingdevice

isrelativelyimmunetointerferencenoise.Thehearingaidandwirelessphonerating

valuesarethenaddedtogether.Asumof5isconsideredacceptablefornormaluse.A

sumof6isconsideredforbestuse.

Intheaboveexample,ifahearingaidmeetstheM2levelratingandthewirelessphone

meetstheM3levelrating,thesumofthetwovaluesequalM5.Thisshouldprovidethe

hearingaiduserwith“normalusage”whileusingtheirhearingaidwiththeparticular

wirelessphone.“Normalusage”inthiscontextisdefinedasasignalqualitythat’s

acceptablefornormaloperation.

TheMmarkisintendedtobesynonymouswiththeUmark.TheTmarkisintendedto

besynonymouswiththeUTmark.TheMandTmarksarerecommendedbytheAlliance

forTelecommunicationsIndustriesSolutions(ATIS).TheUandUTmarksarereferenced

inSection20.19oftheFCCRules.TheHACratingandmeasurementprocedureare

describedintheAmericanNationalStandardsInstitute(ANSI)C63.19standard.

ToensurethattheHearingAidCompatibilityratingforyourphoneismaintained,

secondarytransmitterssuchasBluetoothandWLANcomponentsmustbedisabled

duringacall.

Thisphonehasbeentestedandratedforusewithhearingaidsforsomeofthe

wirelesstechnologiesthatituses.However,theremaybesomenewerwireless

technologiesusedinthisphonethathavenotbeentestedyetforusewithhearingaids.

Itisimportanttotrythedifferentfeaturesofthisphonethoroughlyandindifferent

locations,usingyourhearingaidorcochlearimplant,todetermineifyouhearany

interferingnoise.Consultyourserviceproviderorthemanufacturerofthisphonefor

informationonhearingaidcompatibility.Ifyouhavequestionsaboutreturnorexchange

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User Manual - Page 125