Samsung SGH-T999MBBTMB - Manual (Page 272)

Note: The Lock automatically function is only available if your
device is already using the screen lock feature.
5. Select the Speak passwords field to activate this
feature which reads out password information.
6. Select Answering/ending calls field to select the
methods you can use to answer and end a call.
7. Tap Show shortcut allows you to press and hold
(Power/End) to use the accessibility shortcut
under the Device options screen.
8. Tap TalkBack to activate the feature.
Note: TalkBack, when installed and enabled, speaks feedback
to help blind and low-vision users.
Important! TalkBack can collect all of the text you enter,
except passwords, including personal data and
credit card numbers. It may also log your user
interface interactions with the device.
9. Tap the Font size field to change the size of the fonts
used on the device within menus, options, etc..
Choose from: Tiny, Small, Normal, Large, or Huge.
10. Enable Magnification gestures to use exaggerated
gestures such as triple-tapping, double pinching, and
dragging two fingers across the screen.
11. Tap the Negative colors field to reverse the display of
on-screen colors from White text on a Black
background to Black text on a White background.
12. Tap Accessibility shortcut to allow you to quickly enable
accessibility features in 2 quick steps. Touch and slide
the slider to the right to turn it on. Follow the on-screen
instructions.
13. Tap the Text-to-speech options field to configure the
text to speech configuration parameters.
14. Use the Sound balance field to allow you to use the
slider to set the Left and Right balance when using a
stereo device.
15. Tap the Mono audio field to enable stereo audio to be
compressed into a single mono audio stream for use
with a single earbud/earphone.
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