Jitterbug J User Manual

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HealthandSafetyInformation

156HealthandSafetyInformation

HealthandSafetyInformation

HealthandSafetyInformation157

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.

Other Medical Devices

If you use any other personal medical devices, consult the manufacturer of your device to

determine if it is adequately shielded from external RF energy. Your physician may be able

toassistyouinobtainingthisinformation.SwitchyourJitterbugOFFinhealthcarefacilities

when any regulations posted in these areas instruct you to do so. Hospitals or health care

facilities may be using equipment that could be sensitive to external RF energy.

Vehicles

RF signals may affect improperly installed or inadequately shielded electronic systems

in motor vehicles. Check with the manufacturer or its representative regarding your

vehicle. You should also consult the manufacturer of any equipment that has been

added to your vehicle.

Posted facilities

SwitchyourJitterbugOFFinanyfacilitywherepostednoticesrequireyoutodoso.

1008301_GreatCall_jB_HowToGuide_R6.indd 166-167 10/13/10 12:12 PM

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User Manual - Page 85