Important Safety Information 154
Using Your Phone With a Hearing Aid Device
AnumberofBoostMobilephoneshavebeentestedforhearingaiddevicecompatibility.When
somewirelessphonesareusedwithcertainhearingdevices(includinghearingaidsandcochlear
implants),usersmaydetectanoisewhichcaninterferewiththeeffectivenessofthehearingdevice.
Somehearingdevicesaremoreimmunethanotherstothisinterferencenoise,andphonesalso
varyintheamountofinterferencenoisetheymaygenerate.ANSIstandardC63.19wasdeveloped
toprovideastandardizedmeansofmeasuringbothwirelessphoneandhearingdevicesto
determineusabilityratingcategoriesforboth.
Ratingshavebeendevelopedformobilephonestoassisthearingdeviceusersfindphonesthat
maybecompatiblewiththeirhearingdevice.Notallphoneshavebeenratedforcompatibilitywith
hearingdevices.Phonesthathavebeenratedhavealabellocatedonthebox.Your Hydro EDGE
has an M4 and a T4 rating.
Theseratingsarenotguarantees.Resultswillvarydependingontheuser’shearingdeviceand
individualtypeanddegreeofhearingloss.Ifahearingdeviceisparticularlyvulnerableto
interferencenoise,evenaphonewithahigherratingmaystillcauseunacceptablenoiselevelsin
thehearingdevice.Tryingoutthephonewithyourhearingdeviceisthebestwaytoevaluateitfor
yourpersonalneeds.
M-Ratings:PhonesratedM3orM4meetFCCrequirementsforhearingaidcompatibilityandare
likelytogeneratelessinterferencetohearingdevicesthanunratedphones.(M4isthebetter/higher
ofthetworatings.)
T-Ratings:PhonesratedT3orT4meetFCCrequirementsandarelikelytobemoreusablewitha
hearingdevice’stelecoil(“TSwitch”or“TelephoneSwitch”)thanunratedphones.(T4isthe
better/higherofthetworatings.Notethatnotallhearingdeviceshavetelecoilsinthem.)
Note: Thisphonehasbeentestedandratedforusewithhearingaidsforsomeofthewireless
technologiesthatituses.However,theremaybesomenewerwirelesstechnologiesusedinthis
phonethathavenotbeentestedyetforusewithhearingaids.Itisimportanttotrythedifferent
featuresofthisphonethoroughlyandindifferentlocations,usingyourhearingaidorcochlear
implant,todetermineifyouhearanyinterferingnoise.Consultyourserviceproviderorthe
manufacturerofthisphoneforinformationonhearingaidcompatibility.Ifyouhavequestionsabout
returnorexchangepolicies,consultyourserviceproviderorphoneretailer.
Hearingaiddevicesmayalsobemeasuredforimmunitytointerferencenoisefromwirelessphones
andshouldhaveratingssimilartophones.Askyourhearinghealthcareprofessionalfortheratingof
yourhearingaid.Addtheratingofyourhearingaidandyourphonetodetermineprobableusability:
n Anycombinedratingequaltoorgreaterthansixoffersexcellentuse.
n Anycombinedratingequaltofiveisconsiderednormaluse.
n Anycombinedratingequaltofourisconsideredusable.
Thus,ifyoupairanM3hearingaidwithanM3phone,youwillhaveacombinedratingofsixfor
“excellentuse.”Tratingscanbecombinedinthesamemanner.