Apple Thunderbolt User Manual

10 English
You can also use the brightness keys on an external Apple Keyboard to increase ( ) or
decrease ( ) the brightness of your display. Make sure the menu bar is on the display
you want to adjust.
To change the display color prole or calibrate your display:
1 Click the Color tab in Displays preferences.
2 Choose a display color prole, or click Calibrate to open the Display Calibrator Assistant.
For more information about calibrating your display, choose Help > Mac Help in the
menu bar and search for “calibrate.”
Security Slot and Ports
Security slot
USB 2.0
ports (3)
Gigabit
Ethernet
port
Thunderbolt
port
FireWire
800 port
To secure your display, attach a locking cable to the security slot.

Apple Thunderbolt Specifications

General

Resolution	2560 x 1440 pixels
Aspect Ratio	16:9
Panel Type	IPS
Brightness	375 cd/m²
Contrast Ratio	1000:1
Power Consumption	250W (maximum)
Display Size	27 inches
Viewing Angle	178° horizontal and vertical
Ports	Thunderbolt, FireWire 800, Gigabit Ethernet, USB 2.0
Speakers	Yes
Response Time	12 ms
Color Support	Millions of colors
Dimensions	25.7 in (65.0 cm) (width) x 8.15 in (20.7 cm) (depth with stand)