Navigator29Copyright © 2007 Nokia. All rights reserved.NavigatorYour device has an internal GPSreceiver that receives low-power radiosignals from satellites, and measuresthe travel time of the signals. From thetravel time, the GPS receiver cancalculate its location to within 10meters. The coordinates are expressedin degrees and decimal degrees formatusing WGS-84 coordinate system.The GPS receiver is located in the upperright corner of the slide cover. Whenusing the receiver, hold the device upright in your handwith an orientation toward the sky.Please note that time for GPS connection may varysubstantially depending on different factors such asenvironment and weather.As availability of GPS related services depends on wirelessenvironment and systems, the services may not fuction inall environments at all times. In case of sudden loss of GPSreception, please restart the Navigator application.Your device also supports Assisted GPS (A-GPS) servicewhich helps determining the location faster. It utilisespacket data connection, and your network operator maycharge you for this according to your networksubscription. Contact your service provider for the correctinternet access point and charges related to the service.Your device is preconfigured to use the Nokia A-GPSservice if no service provider specific A-GPS settings areavailable. The assistance data is retrieved from the NokiaA-GPS service server only when needed.When you start the GPS function for the first time, youneed to define or select an access point to take A-GPS intouse. After this, A-GPS is used automatically when neededunless the A-GPS method is disabled. For example, the A-GPS service will be contacted automatically if theintegrated GPS has been switched off for more than twohours.To enable or disable different positioning methods, such asthe A-GPS, select Menu > Settings > Phone sett. >General > Positioning > Positioning methods, scroll tothe positioning method, and select Options > Enable orDisable.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 adjustments