Apple MC233LL/A, MB003LL/A manual Understanding Ergonomics, Keyboard and Trackpad

Cleaning your MacBook Air screen To clean your MacBook Air screen, first shut down your MacBook Air and unplug the power adapter. Then use the cleaning cloth that came with your MacBook Air to wipe the screen. Dampen the cloth with water if necessary. Do not spray liquid directly on the screen.

Understanding Ergonomics

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

Keyboard and Trackpad

When you use the keyboard and trackpad, your shoulders should be relaxed. Your upper arm and forearm should form an angle that is slightly greater than a right angle, with your wrist and hand in roughly a straight line.

This Not this

62Chapter 4 Last, but Not Least