Settings115AccessibilityAccessibility services are special features for those with certain physical disabilities. Accessand alert the following settings to improve accessibility to the device.r Auto-rotate screen: Set the interface to rotate automatically when you rotate the device.r Screen timeout: Set the length of time the device waits before turning off the display’sbacklight.r Speak passwords: Set the device to read aloud passwords you enter with Talkback.r Accessibility shortcut: Add a shortcut to Accessibility on the quick menu that appearswhen you press and hold the Power button.r TalkBack: Activate Talkback, which provides voice feedback.r Font size: Change the font size.r Negative colours: Reverse the display colours to improve visibility.r Text-to-speech output:– Preferred TTS engine: Select a speech synthesis engine. To change the settings forspeech 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.– Driving mode: Activate driving mode to set the device to read contents aloud andspecify applications to use in driving mode.r Enhance web accessibility: Set applications to install web scripts to make their webcontent more accessible.r Sound balance: Adjust the sound balance when using a dual headset.r Mono audio: Enable mono sound when listening to audio with one earbud.r Turn off all sounds: Mute all device sounds.r Tap and hold delay: Set the recognition time for tapping and holding the screen.