F3/F3R OWNER’S MANUAL
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Sensing area
The sensing area (i.e. the maximal distance
from “A”) of the sensor reaches to about
1100mm.
Apperceive is limited, so you have to check
the surroundings before starting driving and
get vehicle started slowly.
CAUTION
Do not affix something onto sensor.
Otherwise, this may cause the system
not to work normally and even an
accident.
The system may not work normally at
following conditions:
● There is something on the sensor, for
example, ice, snow, slurry and so on.
● The vehicle has been parked at higher
temperature and lower temperature
surrounding for long time.
● The vehicle is driven at muddy, rude, or
other special road.
● The vehicle is near the objects which
can eradiate ultrasonic, such as vehicle
horn, motor of motorcycle and so on.
● Drive the vehicle when it rains heavy or
water spatters on vehicle.
● Install the dual-pass wireless antenna or
buffer.
● The center of gravity is acclivitous.
● The sensor is shielded by hand.
● The vehicle is too near to objects.
● The sensor is knocked seriously.
If the following things come near the
sensor, the system may fails to work:
● Metal lead wire, cord, or thin objects
● Cotton, snowflakes or objects with
absorbency
● Small objects
● Obje
cts with sharp ends
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