Settings87• TalkBack: Activate TalkBack, which provides voice feedback. To view help information tolearn how to use this feature, tap Settings → Launch “Explore by touch” tutorial.• Speak passwords: Set the device to read the password aloud when you enter thepassword while TalkBack is activated.• Font size: Change the font size.• Negative colours: Reverse the display colours to improve visibility.• Magnification gestures: Set the device to magnify the screen and to zoom in on aspecific area.• Accessibility shortcut: Set the device to activate TalkBack when you press and hold thePower button, and then tap and hold the screen with two fingers.• Text-to-speech options:– PREFERRED TTS ENGINE: Select an engine for the text-to-speech feature. To changethe settings for speech synthesis engines, tap .– Speech rate: Select a speed for the text-to-speech feature.– Listen to an example: Listen to the spoken text for an example.– Default language status: View the status of the current language set for the text-tospeech feature.• Flash notification: Set the flash to blink when you have incoming calls, new messages, ornotifications.• Turn off all sounds: Set the device to mute all device sounds, such as media sounds, andthe caller’s voice during a call.• Google subtitles (CC): Set the device to display closed captions on content supported byGoogle and to change the closed caption settings.• Mono audio: Set the device to switch the sound output from stereo to mono when aheadset is connected.• Sound balance: Set the device to adjust the sound balance when using a headset.• Tap and hold delay: Set the recognition time for tapping and holding the screen.• Interaction control: Activate interaction control mode to restrict the device’s reaction toinputs while using apps.