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Notes
•
The positions of GPS satellites vary. Depending on the location and
time you use a GPS receiver, it may take longer for tracking or the
receiver may not track the location at all.
•
“GPS” is the system tracking location by receiving radio signals from
GPS satellites. Avoid using the unit in the places where radio signals are
blocked or reflected, such as a shadowy place surrounded by buildings
or trees, etc. Use the unit in open sky environments.
•
You may not record a GPS log at the locations or in the situations where
the radio signals from the GPS satellites do not reach to the unit as
follows.
–
In tunnels, indoors or under shades of buildings.
–
Between tall buildings or at narrow streets surrounded by buildings.
–
At underground locations, surrounded by dense trees, under an
elevated bridge or at the locations where magnetic fields are generated
such as near high voltage cables.
–
Near the devices that generate the radio signals of the same frequency
band as the unit: near the 1.5 GHz band mobile telephones, etc.
•
The unit may not track when you are moving at the speed of about 500
km/hour (300 miles/hour) or faster.
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