About GPS (HDR-TD20V)
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As the positions of GPS satellites vary constantly, it may take longer to determine the location or the receiver may not be able to determine the location at all, depending on the location and time you use the camcorder.
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“GPS” is a system for determining geographic location by triangulating radio signals from GPS satellites. Avoid using the camcorder in places where radio signals are blocked or reflected, such as a shadowy place surrounded by buildings or trees, etc. Use the camcorder in open sky environments.
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You may not be able to record location information at locations or in situations where radio signals from the GPS satellites do not reach the camcorder as follows.
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In tunnels, indoors or under the shade of buildings.
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Between tall buildings or at narrow streets surrounded by buildings.
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In underground locations, locations surrounded by dense trees, under an elevated bridge, or in locations where magnetic fields are generated, such as near high voltage cables.
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Near devices that generate radio signals of the same frequency band as the camcorder: near 1.5 GHz band mobile telephones, etc.
On triangulating errors
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If you move to another location right after turning the power switch to ON, it may take a longer time for the camcorder to start triangulating, compared to when you stay in the same place.
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Error caused by the position of GPS satellites
- The camcorder automatically triangulates your current location when the camcorder receives radio signals from 3 or more GPS satellites. The triangulating error allowed by the GPS satellites is about 10 m (33 feet). Depending on the environment of the location, the triangulating error can be greater. In this case, your actual location may not match the location on the map based on the GPS information. Meanwhile, the GPS satellites are controlled by the United States Department of Defense, and the degree of accuracy may be changed intentionally.
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Error during the triangulating process
- The camcorder acquires location information periodically during triangulating. There is a slight time difference between when the location information is acquired and when the location information is recorded on an image, therefore, the actual recording location may not match exactly the location on the map based on the GPS information.
On the restriction of use of GPS
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Use GPS in accordance with the regulations of the situation, the countries/regions of use.
On the map data
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The camcorder contains map data for the following countries/regions. Europe, Japan, North America, Oceania, etc.
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Built-in map is powered by companies as follows; Map of Japan by Zenrin Co., Ltd., other areas by NAVTEQ.
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The map data included is as of the date of production of this manual.
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GPS maps will appear in 2-dimensional graphics except for certain landmarks in Japan, which will appear in 3D.
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The map always displays the north at the top.
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You cannot change the language on the map.
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You cannot update the map data.
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The scale of the map is 100 feet to 6,000 miles.
On the geographic coordinate system
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The “WGS-84” geographic coordinate system is used.
On copyright
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The map data of the camcorder is copyrighted. Unauthorized copying or other usage of the map data may be contrary to the copyright laws.
On the navigation function
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The camcorder does not have a navigation function that uses GPS.