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Setting Up Sound Input and Output
You can listen to music, movies, games, and multimedia les through the speaker system
on your display. You can use the microphone to record sounds or talk with friends using
iChat or FaceTime. Use Sound preferences to manage sound input and output.
To set up sound input:
1 Choose Apple () > System Preferences, and then click Sound.
2 Click the Input tab in Sound preferences.
3 Choose Display Audio to input sound through your display’s microphone.
To set up sound output:
1 Choose Apple () > System Preferences, and then click Sound.
2 Click the Output tab in Sound preferences.
3 Choose Display Audio to hear sound through your display’s speaker system.
These sound settings are used whenever your display is connected to your computer.
They remain in eect until you change them.
Adjusting the Resolution, Brightness, and Color
Your Apple Thunderbolt Display can automatically adjust the screen brightness for
current light conditions using the built-in ambient light sensor. You can turn auto-
brightness on or o in Displays preferences.
To change the resolution or brightness:
1 Choose Apple () > System Preferences, and then click Displays.
2 Choose a resolution or drag the Brightness slider.