Apple iMac (21.5-inch, Late 2011) User Manual download pdf (Page 64)

64 Chapter 5 Last, but Not Least

Cleaning Your Mouse

Youmayneedtocleanyourmousefromtimetotimetoremovedirtanddustthathas

accumulatedinthescrollballarea.Holdthemouseupside-downandrollthescroll

ballvigorouslywithaclean,soft,lint-freecloth,tohelpdislodgeanyparticlesthatmay

interferewithproperscrolling.

Understanding Ergonomics

Herearesometipsforsettingupahealthyworkenvironment.

Keyboard

Whenyouusethekeyboard,yourshouldersshouldberelaxed.Yourupperarmand

forearmshouldformanapproximaterightangle,withyourwristandhandinroughly

astraightline.

Changehandpositionsoftentoavoidfatigue.Somecomputerusersmightdevelop

discomfortintheirhands,wrists,orarmsafterintensiveworkwithoutbreaks.Ifyou

begintodevelopchronicpainordiscomfortinyourhands,wrists,orarms,consulta

qualiedhealthspecialist.

Mouse

Positionthemouseatthesameheightasthekeyboardandwithinacomfortablereach.

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Apple iMac (21.5-inch, Late 2011) User Manual Page 64