Nokia Lumia 822 Get Started

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Nokia Lumia 822: Maps and Navigation42Chapter 12Positioning and location servicesAbout positioning methodsYour phone displays your location using GPS, A-GPS, Wi-Fi, or cellularpositioning. The Global Positioning System (GPS) is a satellite-basednavigation system used for calculating your location. Assisted GPS (A-GPS) is a network service that sends you GPS data, improving the speedof the positioning.Wi-Fi positioning improves position accuracy when GPS signals are notavailable, especially when you are indoors or between tall buildings.With cellular positioning, the position is determined through the cellularnetwork antenna your phone is currently connected to.You can also switch Wi-Fi and cellular positioning off in your phone set-tings. However, this prevents you from using positioning-related ap-plications, such as Bing Maps. Depending on the available positioningmethods, the accuracy of positioning may vary from a few metres toseveral kilometres. The availability and quality of GPS signals may be af-fected by your location, satellite positions, buildings, natural obstacles,weather conditions, and adjustments to GPS satellites made by theUnited States government. GPS signals may not be available inside-buildings or underground.Do not use GPS for precise location measurement, and never rely solelyon the location information provided by GPS and cellular networks.Switch location services onApplications can use your location information to offer you a wider vari-ety of services.Maps shows you your location and provides directions, and the cameracan save your location to the pictures you take.Swipe left and select .Select location, and switch Location services to On .Maps and NavigationThis sections explains how to:• using location services• Bing maps• saving favorite locations