nüvi 800 Series Owner’s Manual Getting StartedTaking a Detour1. With a route active, touch Menu.2. Touch Detour.The nüvi attempts to get you backon your original route as quickly aspossible. If the route you are currentlytaking is the only reasonable option, thenüvi might not calculate a detour.Stopping the Route1. With a route active, touch Menu.2. Touch Stop.Speaking CommandsUse the speech recognition feature tospeak to your nüvi to find destinationsand select options.Press the large button on the remotecontrol to turn on speech recognition.When the green speak icon appearson the screen, speak a command. Youcan speak anything you see on thescreen. For more information about thespeech recognition feature, the remotecontrol, and a list of shortcut commands,see pages 17–20.Adjusting the VolumeFrom the Menu page, touch Volume.Touch and to adjust the mastervolume. Touch the box next to Mute tomute all audio.To adjust the volume levels for thevoice prompts, the media player, and thephone, touch Mixer. Adjust the levelsas needed. Touch Restore to return thevolume settings to the original levels.Touch audio Output to set up the FMtransmitter. For more information, seepages 42–43.Locking the ScreenTo prevent accidental screen touches,slide the Power key to the right ( ). Tounlock the screen, slide the Power keyto the center position.