Apple MC372LL/A Laptop User Manual


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68 Chapter 5 Last, but Not Least
MagSafe power specications:
 Frequency:50to60Hz,singlephase
 Line Voltage:100to240V
 Output Voltage:18.5VDC,4.6A
Hearing damagePermanenthearinglossmayoccurifearbudsorheadphonesare
usedathighvolume.Youcanadaptovertimetoahighervolumeofsoundthatmay
soundnormalbutcanbedamagingtoyourhearing.Ifyouexperienceringinginyour
earsormuedspeech,stoplisteningandhaveyourhearingchecked.Thelouderthe
volume,thelesstimeisrequiredbeforeyourhearingcouldbeaected.Hearingexperts
suggestthattoprotectyourhearing:
 Limittheamountoftimeyouuseearbudsorheadphonesathighvolume.
 Avoidturningupthevolumetoblockoutnoisysurroundings.
 Turnthevolumedownifyoucan’thearpeoplespeakingnearyou.
High-risk activitiesThiscomputersystemisnotintendedforuseintheoperation
ofnuclearfacilities,aircraftnavigationorcommunicationssystems,airtraccontrol
systems,orforanyotheruseswherethefailureofthecomputersystemcouldleadto
death,personalinjury,orsevereenvironmentaldamage.
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