Specifications
70 Chapter 5 Last,butNotLeast
MagSafe power specications:
 50to60Hz,singlephase
 100to240V
 16.5VDC,3.65A
Hearing damagePermanenthearinglossmayoccurifearbudsorheadphonesare
usedathighvolume.Youcanadaptovertimetoahighervolumeofsoundthatmay
soundnormalbutcanbedamagingtoyourhearing.Ifyouexperienceringinginyour
earsormuedspeech,stoplisteningandhaveyourhearingchecked.Thelouderthe
volume,thelesstimeisrequiredbeforeyourhearingcouldbeaected.Hearingexperts
suggestthattoprotectyourhearing:
 Limittheamountoftimeyouuseearbudsorheadphonesathighvolume.
 Avoidturningupthevolumetoblockoutnoisysurroundings.
 Turnthevolumedownifyoucan’thearpeoplespeakingnearyou.
High-risk activitiesThiscomputerisnotintendedforuseintheoperationofnuclear
facilities,aircraftnavigationorcommunicationssystems,airtraccontrolsystems,or
foranyotheruseswherethefailureofthecomputercouldleadtodeath,personal
injury,orsevereenvironmentaldamage.