Motorola i355 User Guide - Page 99
IMPORTANT: Things to Keep in Mind, always report the location to the emergency - antenna replacement
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• Some radios, entertainment equipment and other electronic devices may generate signals that can block or interfere with the GPS receiver ability to receive the distant satellite signals, particularly when such devices are operating in close proximity to the GPS receiver. Therefore, in a 911 call, or when otherwise using the GPS location function, always move your phone away from any such devices. • When your GPS antenna is covered (for example, by your hand or other object) or facing the ground • In temperature extremes outside the operating limits of your phone Walking or driving very slowly may also substantially reduce GPS performance. Even where location information can be calculated in such situations, it may take much longer to do so, and your location estimate may not be as accurate. Therefore, in any 911 call, always report the location to the emergency response center if you can and if you cannot, remain on your phone for as long as the emergency response center instructs you. IMPORTANT: Things to Keep in Mind Even where adequate signals from multiple satellites are available, your GPS feature will only provide an approximate location, often within 150 feet (45 meters) but sometimes much further from your actual location. Advice on how to improve GPS performance is provided in "Enhancing GPS Performance" on page 91. While the GPS feature of your phone can be a valuable navigational aid, it does not replace the need for careful navigating and good judgment. Never rely solely on one device for navigation. Remember that the accuracy of the location information and the time needed to obtain it will vary depending on circumstances, particularly the ability to receive signals from adequate numbers of satellites. On emergency calls, your phone uses assistance information from the phone network to improve the speed and accuracy of your phone's location calculation: if such assistance information becomes unavailable, it may reduce the speed and accuracy of the location calculation. 89