User's Manual

Appendix
86
* It is not a system failure under circumstances listed
below:
Problems caused by the characteristics of GPS posi-
tioning:
• Sometimes, when you are driving on the highway/via-
duct, the floating point swings, vice versa.
• When you are driving along a Y shaped road, the float-
ing point may brach to the side road.
• When you are driving on a road of grid shaped, some-
times you will find that the floating point is at the side
road bearby.
• When you are driving on a very steep road.
• When you are driving on spiral road, you will find that the
floating point swings, It is nothing to do with the radius of
the road and the driving speed of your vehicle. It is due
to the real road condition may differ from the informaion
of electronic map.
• When you make a right/left turn to enter a road, which
has parallel roads nearby (the distance between them is
less than 50m) in parallel, from the road you have been
driving for a long time, you will find that the floating point
may go to another road.
• When you are driving on a wide road in a snaky line, you
will find that the floating point may swing due to the mis-
match of real distance.
Attention