Huawei Mate 9 - Manual (Page 193)

For example, if you want to open Settings, touch the Settings icon once using one finger, and
then touch twice on any part of the screen.
Configuring the TalkBack settings
TalkBack settings can be customized to suit your needs.
1
Open Settings.
2
Touch Advanced settings > Accessibility > TalkBack > .
3
You can adjust the feedback volume, audible feedback settings, control gestures, and more.
Captions
In addition to providing audible prompts, TalkBack also displays captions for hearing-impaired
users.
1
Open Settings.
2
Touch Advanced settings > Accessibility > Captions
3
Switch on Captions and configure the language, font size, and caption style.
Magnification gestures
Use magnification gestures to zoom in on a specific area.
The keyboard and the navigation bar cannot be magnified.
1
Open Settings.
2
Touch Advanced settings > Accessibility > Magnification gestures.
3
Turn on the Magnification gestures switch.
l
Zoom in: Touch the screen three times in quick succession to zoom in. Touch the screen
three times again to zoom back out. To disable Magnification gestures, turn off the
Magnification gestures switch.
System Features and Settings
187