Apple A1407 User Manual

14 English
Ergonomics
Here are some guidelines for adjusting your display to reduce glare and to
accommodate your physical size and shape.
 Arrange the display so that the top of the screen is slightly below your eye level
when you’re sitting at the keyboard. The best distance from your eyes to the screen is
up to you, although most people tend to prefer 18 to 28 inches (45 to 70 cm).
 Position the display by tilting it up or down to minimize glare and reections from
overhead lights and nearby windows.
Thighs tilted
slightly
Shoulders
relaxed
Screen positioned to
avoid reflected glare
Forearms and
hands in a
straight line
Forearms level
or tilted slightly
Lower back
supported
Feet flat on the floor
or on a footrest
Top of the screen at or
slightly below eye level
(You may need to adjust
the height of your display
by raising or lowering
your work surface)
Clearance under
work surface
18–28 in. (45–70 cm)
For more information about health, safety, and maintenance, go to the Apple
ergonomic website at www.apple.com/about/ergonomics.
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Apple A1407 Specifications

General

Model	Apple Thunderbolt Display
Screen Size	27 inches
Resolution	2560 x 1440 pixels
Aspect Ratio	16:9
Panel Type	IPS
Brightness	375 cd/m²
Contrast Ratio	1000:1
Response Time	12 ms
Color Support	16.7 million colors
Viewing Angle	178° horizontal / 178° vertical
Connectivity	Thunderbolt, FireWire 800, Gigabit Ethernet, USB 2.0
Built-in Camera	Yes (FaceTime HD camera)
Built-in Speakers	Yes
Dimensions (W x H x D)	25.7 x 19.35 x 8.15 inches
Weight	23.5 lbs