GPS location service
45
Even where location information can be calculated in such
situations, it may take longer to do so. Therefore, in any emergency
situation, always report your location to your dispatcher.
Furthermore, please note that even where adequate signals from
multiple satellites are available, your GPS feature will only provide
an approximate location, often within 20 - 100 meters from your
actual location.
Q
Enhancing GPS performance
Sometimes the GPS feature of your terminal may be unable to
complete a location calculation successfully. You will then see a
message indicating that your terminal cannot see enough visible
satellites.
To maximize the ability of your terminal to determine a location fix
please note the following guidelines:
•
The GPS feature works best where there is nothing between the
GPS antenna and a large amount of open sky. If possible, move
your vehicle away from tall buildings and foliage. While
performance in a building is improved by moving closer to
windows, glass with certain sun shielding films may block
satellite signals.
•
Position your vehicle to enhance reception, giving the antenna
clear access to satellite signals. Signals from GPS satellites are
transmitted to your GPS antenna. Do not cover the antenna area
with your fingers or anything else.
•
Stay in network coverage. Depending on who your service
provider is, the network will provide your terminal with information
that helps determine your location more quickly and accurately.
Q
GPS icon
When your terminal is receiving valid GPS location data,
a GPS icon will be shown in the display.
TGR990_features.book Page 45 Thursday, December 3, 2009 9:43 AM
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