13Assisted GPS (A-GPS) is used to retrieve assistance dataover a packet data connection, which assists in calculatingthe coordinates of your current location when your deviceis receiving signals from satellites.Any GPS should not be used for precise locationmeasurement, and you should never rely solely on locationdata from the GPS receiver and cellular radio networks forpositioning or navigation.MapsWith Maps, you can see your current location on the map,browse maps for different cities and countries, search foraddresses, and plan routes. To open the Maps application,press , and select Maps. The map coverage variesby country.Almost all digital cartography is inaccurate and incompleteto some extent. Never rely solely on the cartography thatyou download for use in this device.When you browse the map on the display, for example, tomove to another country, a new map is downloadedautomatically, provided that you have an internet connection.Downloading maps may involve the transmission of largeamounts of data through your service provider’s network.Contact your service provider for information about datatransmission charges.Download mapsNokia Map Loader is a PC software that you can use todownload and install maps for different countries to yourdevice from the internet. To use Nokia Map Loader, youmust first install it to a compatible PC. You can downloadthe software from the internet at www.nokia.com/maps.Follow the instructions on the screen.You can also download maps by using a wireless LANconnection. You can view the amount of transferred datafrom the data counter (KB) shown on the display. Thecounter shows the amount of network traffic when youbrowse maps, create routes, or search for locations online.To check whether the maps that are downloaded to yourdevice have been updated on the map server, selectOptions > Settings > Network > Options > Check formap updates.To prevent the device from automatically downloadingmaps through the internet, for example, when you areoutside your home cellular network, select Options >Settings > Network > Use network > Off.