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here
is a difference _ween
the driving
road and the road on the map in Me product°
Even though GPS is usuaJ]y very accurate, it
has an error range.
When GPS receiver is installed, there can be an
error of abo_ 5 to !5m. But for newly con_ru_-
ed roads, the problem could be from the data
update to the map_
Wh_
is GPS?
The Global Positioning
System
(GPS) is a
sate!!_e-bas_
navigation
system made up of
a network of 24 satellites
plaid
into orbit by
the US,
Department
of Defend.
GPS was originally
intended
for milita_
applications,
but in the
1980s, the government
made the system
available
for civilian use
GPS works in any weather
conditions,
any-
where in the world, 24 hours a day:
There are no subscription
fees or setup
charges to use GPS.
Map matching
The GPS u_d
by this Mobile Navigation
System
is susceptible
to certain errors. Their
calculations
may on o_ion
place you in a
location on the map where no road exists. In
this s_uation, the processing
system
understands
that vehicles travel only on
roads, and is able _ _rrect
your
pos_ion by adjusting
it to a near road. This is
called map matching.
With map matching
e
With no map matching.
Basic o_ration
tips
i. After charging
or connecting
to a power
_urce,
turn the unit on.
2, Make sure you are s_opped (not moving) in
a location with a clear view of the sky.
3. You will see your current location within a
few minutes and then you can start navigato
ing_
4. If the correct bcation
is not found within 6
minutes,
restart the unit using the ON/OFF
button on the side, of the unit.
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