Settings117• Text-to-speech options:– 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.• Enhance web accessibility: Set applications to install web scripts to make their webcontent more accessible.• Sound balance: Adjust the sound balance when using a dual headset.• Mono audio: Enable mono sound when listening to audio with one earbud.• Turn off all sounds: Mute all device sounds.• Assistant menu: Set the device to show the assistive shortcut icon that helps you accessfunctions supported by external buttons or features on the notifications panel. You canalso edit the menu on the shortcut icon.• Tap and hold delay: Set the recognition time for tapping and holding the screen.• Interaction control: Set this to use interaction control mode to restrict the reaction ofthe device for inputs in an application. This mode may be helpful when you want toallow others only limited access and control of your media or data. To switch to or exitthis mode while using an application, press and hold the Home button and the Volumebutton down simultaneously.About deviceAccess device information and update device software.Google SettingsUse this application to configure settings for some features provided by Google.Tap Google Settings on the Applications screen.