Huawei Mate 10 Pro User Manual page 144

Open an item: Double-touch any part of the screen using one finger to confirm your selection
from the previous step.
For example, if you want to open Settings, touch the Settings icon once using one finger, and
then touch twice anywhere on the screen.
Customize TalkBack Settings
After enabling TalkBack, you can configure the speech volume, sound feedback, gestures, and
other settings according to your preferences.
Open Settings, go to System > Accessibility > TalkBack >
volume, sound feedback, gestures, and other settings.
Use Text-to-Speech Output with TalkBack
The text-to-speech feature can read aloud texts on the screen of your Phone. It can also be
used with the TalkBack service to help visually impaired users interact with their devices.
Open Settings, go to System > Accessibility and enable Text-to-speech output.
Configure your preferred engine and speech rate to enable this feature.
Enable Color Correction
The color correction setting enables your device to compensate for the effects of color blindness.
and then configure speech
System
139