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N-Series User Manual
21
How do I navigate with
GPS?
The Global Positioning System (GPS) is available at any time, free of charge, and is accurate to within
5m (15ft). GPS navigation is made possible by a network of satellites that orbit the Earth at around
20,200km (12,552mi). Each satellite transmits a range of signals which are utilized by GPS receivers,
such as your Navman, to determine an exact location. Although a GPS receiver can detect signals
from up to 12 satellites at any time, only four signals are required to provide a position or "GPS fix"
(latitude and longitude), for vehicle navigation systems.
Your Navman receives GPS signals via the internal GPS antenna. To guarantee the optimum GPS
signal strength, ensure your Navman is outdoors, or in a vehicle outdoors, and has an unobstructed
view of the sky. Your Navman can operate in all weather types except snowfall.
You can view your GPS status at any time from the map screens or the camera screens. The GPS
icon
displays green when a GPS fix is established and red when a GPS fix is unavailable. To
indicate the reception strength of a GPS fix,
displays between one and four green quadrants.
To see your GPS status in more detail, see "GPS Status" on page 114.
For more GPS information, see the GPS Navigation - Frequently Asked Questions guide.