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Introduction
4. GPS
Global Positioning System (GPS): a system developed and operated by the United States
government that pinpoints your present location by utilizing latitudinal and longitudinal data
received from either 3 or 4 satellites.
Situations when GPS signal reception is
impossible
The following are situations when the GPS
signal cannot be received:
● When the GPS signal is obstructed while
driving through building clusters, tunnels or
on overpasses
● When the signal is obstructed because an
object is placed near or on the GPS antenna
● When the GPS satellite is not sending any
signals to the earth (signal emission may be
halted due to modifications or repairs
conducted by the U.S. Tracking Control
Center, the organization responsible for
controlling GPS signals)
● When a digitally formatted cellular telephone
unit is brought near the GPS antenna
Screen with GPS signal reception in progress
Handling the GPS antenna
●Consult a specialist at your local retailer for how to install the GPS antenna.
●Do not apply paint or wax to the GPS antenna. Otherwise, signal reception
sensitivity may be diminished or signal reception may be rendered impossible.
●Do not pull on the cord when uninstalling or moving the GPS antenna.
Otherwise, short circuits or disconnections may result.
●See page 175 for information concerning GPS signal accuracy and errors.