Tools99recognition learning, for example, when the main user ofthe device has changed, select Remove voice adapts..PositioningPress , and select Tools > Connectivity > GPS data orLandmarks.The Global Positioning System (GPS) is operated by thegovernment of the United States, which is solelyresponsible for its accuracy and maintenance. Theaccuracy of location data can be affected by adjustmentsto GPS satellites made by the United States governmentand is subject to change with the United StatesDepartment of Defense civil GPS policy and the FederalRadionavigation Plan. Accuracy can also be affected bypoor satellite geometry. Availability and quality of GPSsignals may be affected by your location, buildings, naturalobstacles, and weather conditions. The GPS receiver shouldonly be used outdoors to allow reception of GPS signals.GPS should only be used as a navigation aid. It should notbe used for precise location measurement and you shouldnever rely solely on location data from the GPS receiver forpositioning or navigation.The trip meter has limited accuracy, and rounding errorsmay occur. Accuracy can also be affected by availabilityand quality of GPS signals.With Landmarks, you can save and view the positioninformation of specifc locations in your device. With GPSdata, you can access route guidance information to aselected destination, position information about yourcurrent location, and traveling information, such as theapproximate distance to the destination and approximateduration of travel.Landmarks and GPS data may be network based (networkservice) or they may require that you use a compatible GPSreceiver.For more information on Landmarks and GPS data, see theguides for your device at www.nseries.com/support or yourlocal Nokia website.