HTC Advantage X7501 User Manual - Page 159
Downloading Satellite Data via QuickGPS, QuickGPS, Start > Programs > QuickGPS, Download
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Using GPS 159 • Signal reception may be affected by obstructions such as high-rise buildings, tunnels, bridges, forests, weather (rainy or cloudy days), etc. If the vehicle's visor contains metal, it will be difficult for the GPS signal to pass through. To have better signal reception, try connecting your device to an external GPS antenna. • The Global Positioning System (GPS) is built and operated by the US Defense Department. The Department is responsible for the accuracy and maintenance of the system. Any changes that the Department makes may affect the accuracy and function of the GPS system. • Wireless communication products (such as mobile phones or radardetecting devices) may interfere with the satellite signal, resulting in unstable signal reception. • Please do not leave your Pocket PC in the vehicle and expose to direct sunlight to avoid overheating the battery that could pose damage to the device or risk to the vehicle. 10.2 Downloading Satellite Data via QuickGPS Before you start to use your device for GPS navigation, open the QuickGPS program first to download Ephemeris data (current satellite position and timing information) onto your device. This data is needed to determine the GPS position of your current location. QuickGPS downloads Ephemeris data from a Web server, instead of from the satellites, using the Internet connection on your device, which can be via ActiveSync, Wi-Fi, or GPRS. This significantly speeds up the time for determining your GPS position. To open QuickGPS • Tap the QuickGPS icon ( ) on the Today screen; or • Tap Start > Programs > QuickGPS. To download data • Tap Download on the QuickGPS screen.