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Positioning
The Global Positioning System (GPS) is a worldwide radio
navigation system that includes 24 satellites and their
ground stations that monitor the operation of the
satellites.
A GPS terminal, such as the internal GPS receiver in Nokia
N810 Internet Tablet products, receives low-power radio
signals from the satellites, and measures the travel time of
the signals. From the travel time, the GPS receiver can
calculate its location to the accuracy of metres.
The coordinates in the GPS are expressed in degrees and
decimal degrees formats using the international WGS-84
coordinate system.
The Global Positioning System (GPS) is operated by the
government of the United States, which is solely
responsible for its accuracy and maintenance. The
accuracy of location data can be affected by adjustments
to GPS satellites made by the United States government
and is subject to change with the United States
Department of Defense civil GPS policy and the Federal
Radionavigation Plan. Accuracy can also be affected by
poor satellite geometry. Availability and quality of GPS
signals may be affected by your location, buildings, natural
obstacles, and weather conditions. The GPS receiver should
only be used outdoors to allow reception of GPS signals.
GPS should only be used as a navigation aid. It should not
be used for precise location measurement and you should
never rely solely on location data from the GPS receiver for
positioning or navigation.
GPS receiver
The procedure for using a GPS receiver with your internet
tablet may vary according to the product model:
Nokia N800 Internet Tablet—You must use an external
GPS receiver with your device. Pair a compatible GPS
receiver with your device using Bluetooth wireless
technology.
Nokia N810 Internet Tablet—
Your device has an internal GPS
receiver. The GPS receiver is
located in the upper left corner
of the device. When using the
receiver, hold the device upright
in your hand or in the mobile
holder; or place the device on
the table using the desk stand.
Make also sure that your device
has a clear view of the sky.