Pantech P2000 Cell Phone User Manual


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Appendix
07
humming, or whining noise. Some hearing
devicesaremoreimmunethanotherstothis
interferencenoise,andphonesalsovaryinthe
amount of interference they generate.
Thewirelesstelephoneindustryhasdeveloped
a rating system for wireless phones, to assist
hearingdeviceusersndphonesthatmaybe
compatiblewiththeirhearingdevices.Notall
phoneshavebeenrated.Phonesthatarerated
havetheratingontheirboxoralabellocated
on the box.
Theratingsarenotguarantees.Resultswill
varydependingontheuser’shearingdevice
andhearingloss.Ifyourhearingdevice
happenstobevulnerabletointerference,
you may not be able to use a rated phone
successfully. Trying out the phone with your
hearingdeviceisthebestwaytoevaluateitfor
your personal needs.
•M-Ratings:PhonesratedM3orM4meetFCC
requirementsandarelikelytogenerateless
interferencetohearingdevicesthanphones
thatarenotlabeled.M4isthebetter/higher
of the two ratings.
•T-Ratings:PhonesratedT3orT4meetFCC
requirementsandarelikelytogenerateless
interferencetohearingdevicesthanphones
thatarenotlabeled.T4isthebetter/higher
of the two ratings.
Hearingdevicesmayalsoberated.Your
hearingdevicemanufacturerorhearinghealth
professional may help you nd 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issynonymousfor
Tratings.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is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.
See page 75 for instructions to disable these
components.
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