Nokia 5230 User Manual

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Nokia 5230 User Manual Manual pdf 53 page image

The trip meter has limited accuracy, and rounding errors may occur. Accuracy can alsobe affected by availability and quality of GPS signals.Different positioning methods can be enabled or disabled in positioning settings.Assisted GPS (A-GPS)Your device also supports Assisted GPS (A-GPS).A-GPS is a network service.Assisted GPS (A-GPS) is used to retrieve assistance data over a packet data connection,which assists in calculating the coordinates of your current location when your deviceis receiving signals from satellites.When you activate A-GPS, your device receives useful satellite information from anassistance data server over the cellular network. With the help of assisted data, yourdevice can obtain the GPS position faster.Your device is preconfigured to use the Nokia A-GPS service, if no service provider-specific A-GPS settings are available. The assistance data is retrieved from the Nokia A-GPS service server only when needed.You must have an internet access point defined in the device to retrieve assistance datafrom the Nokia A-GPS service over a packet data connection. To define an access pointfor A-GPS, select Menu > Applications > Location and Positioning > Positioningserver > Access point. Only a packet data internet access point can be used. Your deviceasks for the internet access point when GPS is used for the first time.Hold your device correctlyWhen using the GPS receiver, ensure you do not cover the antenna with your hand.Establishing a GPS connection in the car, in bad weather conditions, or in a challenginggeographical environment may take longer.Positioning (GPS) 53