Applications
94
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You cannot use the terminal as a high-accuracy
measurement GPS. Note that DOCOMO shall have no
liabilities whatsoever even if you suffer damage or loss due
to a deviation of the location information.
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GPS is a service operated by the USA Department of
Defense, so the GPS radio wave condition may be controlled
(accuracy degraded, radio wave suspended, etc.) for
reasons of US national security.
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Wireless communications products (mobile telephones,
data detectors, etc.) might interfere with satellite signals and
cause signal reception to become unstable.
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The displayed map based on the acquired location
information (latitude and longitude information) may be
inaccurate because of the legal system in each country and
area.
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Where radio waves are difficult to receive
Note that since GPS is using radio waves for satellites, under
the following conditions, radio waves might not be able to be
received or might be difficult to receive. Also, do not cover the
GPS antenna (
→
P26) with your hand.
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Inside or immediately under a building
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Inside a basement or tunnel, and below the ground or water
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Inside a bag or box
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In buildings-clustered or residential area
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Inside or under a thick covering of trees
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Near a high-voltage cable
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In a car, inside a train compartment
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Bad weather such as heavy rain or snow
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When there are obstructions (people or objects) near the
terminal
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Precautions for using electronic
compass
An electronic compass is equipped with the terminal and it
senses the faint fluctuation in the magnetic field of the earth to
calculate directions.
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The electronic compass calculates directions by sensing the
faint fluctuation in the magnetic field of the earth. Therefore,
the magnetic field may not be sensed or a direction may not
be displayed correctly when the terminal is used inside or
near buildings (including underground shopping area),
vehicles, metal facilities (an elevator etc.), metal equipment
(a guardrail, pedestrian bridge, etc.), high-tension wires,
wires, rocks containing magnetism, metal (metal desk,
locker, etc.), permanent magnet (a magnetic necklace, bag
fastening, etc.), home appliances (a TV, computer, speaker,
etc.).
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When an applications such as "Maps" cannot calculate
directions correctly, adjust the electronic compass.
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Adjusting the electronic compass
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Operation method
While using an application such as "Maps" that uses the
electronic compass, move the terminal like describing a big
figure of eight, twisting your wrist for around 10 seconds.
