Apple iPhone OS 3.1 - Manual (Page 182)

Accessibility
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Accessibility Features
In addition to the many features that make iPhone easy to use for everyone,
accessibility features (available only on iPhone 3GS) are designed to make it easier
for users with visual, auditory, or other physical disabilities to use iPhone. These
accessibility features include:
VoiceOver •
Zoom •
White on Black •
Mono Audio •
Speak Auto-text •
With the exception of VoiceOver, these accessibility features work with all iPhone
applications, including third-party applications you download from the App Store.
VoiceOver works with all applications that come preinstalled on iPhone. In addition,
third-party developers can use the iPhone Accessibility API to make their applications
accessible for VoiceOver users.
For more information about the accessibility features of iPhone, go to
www.apple.com/accessibility.
Each accessibility feature can be turned on or off in the Accessibility settings on
iPhone. You can also turn accessibility features on or off in iTunes when iPhone is
connected to your computer.
Turn accessibility features on or off in iTunes:
1 Connect iPhone to your computer.
2 In iTunes, select iPhone in the sidebar.
3 In the Summary pane, click Configure Universal Access in the Options section.
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