Boss BV9980NV - GPS Operation; Navigation Function Overview

GPS
Operation
1.
Navigation Function Operation
For detailed operation
of
navigation function, see
"Navigation
Operation
Manual".
2.
Receiving
signal
error
When the
satellite signals
can be
normally received, the error
of
standard
GPS shall
be about 7 meters. Driving on
parallel sections, there shall
be error even the product
has auto-correct function. The
normal
receiving
of
satellite signals shall be affected
and cause error
in
following environment:
In
tune
Among
tall buildings
At the
boulevard
The antenna
is
sheltered
Underground parking Overpass or viaduct
3.
Satellite receiver
Navigation system can keep receiving eight
satellite signals.
As a
general rule, the navigation system can figure out your
accurate
location
after received 3-4
satellite signals.
But sometimes, weather and
tall buildings
in
the city
shall
affect the
signal
receiving effect.
Other Operation
Rear
view
function
In
any running state, the video
signal
can switch to reverse video state when reversing
the car, and the system
shall return to its
initial
running state after reversing the car.
Warning
Do not
rely
on CCD system completely, please
make sure your car is safe by your eyes
during driving.Back rearview system only
assists in driving. As the distance range
of
rearview system is
limited, completely relying
on the rearview system during driving may
cause accidents.
Reverse
field simulation
Rearview backup image
13