LG US780 - Caution: Avoid potential hearing loss.

86
Safety
Intheexampletotheleft,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dened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.
Whenyou’retalkingonacellphone,it’srecommendedthatyouturntheBT
(Bluetooth)modeoffforHAC.
AccordingtoHACpolicy(KDB285076),westatethishandsethasnotbeen
ratedforhearingaidcompatibilitywithrespecttotheWiFicapability.
For information about hearing aids and digital wireless phones
Wireless Phones and Hearing Aid Accessibility
http://www.accesswireless.org/Home.aspx
FCC Hearing Aid Compatibility and Volume Control
http://www.fcc.gov/cgb/consumerfacts/hac_wireless.html
Caution: Avoid potential hearing loss.
Prolongedexposuretoloudsounds(includingmusic)isthemostcommon
causeofpreventablehearingloss.Somescienticresearchsuggests
thatusingportableaudiodevices,suchasportablemusicplayersand
cellulartelephones,athighvolumesettingsforlongdurationsmayleadto
permanentnoiseinducedhearingloss.Thisincludestheuseofheadphones
(includingheadsets,earbudsandBluetooth
®
orotherwirelessdevices).
Exposuretoveryloudsoundhasalsobeenassociatedinsomestudies
withtinnitus(aringingintheear),hypersensitivitytosoundanddistorted