Sprint Nextel IS Cell Phone User Manual


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Settings 78
1. SelectMenu(leftselectionkey)>Settings>Phone settings>Switch off tone.
2. HighlightOnorOffandpressSelect(menukey).
Welcome Note Setting
Followtheinstructionsbelowtodisplayacustomizedwelcomenotewheneverthephoneispowered
on.
1. SelectMenu(leftselectionkey)>Settings>Phone settings>Welcome note.
2. TypeoutyourdesiredwelcomenoteandpressSave(menukey).
Hearing Aid Compatibility (HAC) Rating
TheFCChascreatedaratingsystemforcellularphonesregardingtheirHAC-relatedperformance.
Thisratinghelpsconsumerswithhearingdisabilitiestofindphonesthatwillworkwellwiththeir
hearingaiddevices.TheHACratingandmeasurementprocedurearedescribedintheAmerican
NationalStandardsInstitute(ANSI)C63.19:2007.
ANSIC63.19containstworatingstandards:an“M”ratingfrom1to4forhearingaidsoperatingin
microphonemode,anda“T”ratingfrom1to4forhearingaidsoperatingintelecoilmode.
M-RatingstandsforMicrophoneratingandindicatestheamountofreductionofRFinterference
betweenthetelephoneandthehearingaidinacousticcouplingmode(alsocalledmicrophone
mode).
PhonesratedM3orM4meetFCCrequirementsandgeneratelessinterferencetohearingdevices
setinmicrophonemode.T-Ratingstandsfortelecoilratingandrepresentsinductivecouplingwith
hearingaidsthatareoperatingintelecoilmode.Atelecoilisasmallpieceoftightlywrappedwire
builtintosomehearingaids.Whilethemicrophoneofahearingaidpicksupallsounds,thetelecoil
willonlypickupanelectromagneticsignalfromthetelephone.Thus,usersoftelecoil-equipped
hearingaidsareabletocommunicateoverthetelephonewithouttheamplificationofunwanted
backgroundnoise.
PhonesratedT3orT4meetFCCrequirementsandgeneratelessinterferencetohearingdevices
setintelecoilmode.
AcombinationofM-ratingandT-ratingdefinesthefinalHACratingandisadecidingfactorin
selectingcellularphonesforpeoplewithhearingproblems.AHACcompliantphonecouldberated:
n M3/T3
n M3/T4
n M4/T3
n M4/T4
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