Manual

56 Chapter 4 Last, but Not Least
MagSafe power specications:
 Frequency:50to60Hz,singlephase
 Line Voltage:100to240V
 Output Voltage:16.5VDC,3.65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:
Â Limittheamountoftimeyouuseearbudsorheadphonesathighvolume.
Â Avoidturningupthevolumetoblockoutnoisysurroundings.
Â Turnthevolumedownifyoucan’thearpeoplespeakingnearyou.
High-risk activitiesThiscomputer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afailureofthecomputersystemcouldleadtodeath,
personalinjury,orsevereenvironmentaldamage.