EVT–300 Special Road Situations
WARNING
The Eaton VORAD EVT–300 Collision Warning
System (CWS) is intended solely as an aid for an
alert and conscientious professional driver. It is
not intended to be used or relied on to operate a
vehicle. Use the system in conjunction with rear-
view mirrors and other instrumentation to safely
operate the vehicle. This system will not warn of
many possible hazards. Do not assume it is "all
clear" if no alert lights are illuminated.
Failure to drive safely and use the system prop-
erly could result in personal injury and/or death
and severe property damage.
Certain special road situations may affect the sys-
tem’s ability to detect objects. These situations in-
clude the effects of curves, dips, and hills that may
provide an unexpected result:
NOTE: A warning may sound when an object is
detected in front of the vehicle even though the
driver intends to turn away or stop before reach-
ing the object.
•
When an object is detected in a very sharp
right- or left-hand turn, the audible alarm will
not sound.
•
When approaching a curve, before turning into
it, alarms may sound and lights illuminate be-
cause of an object off the road directly in line
with your vehicle. This will not occur when the
brakes are applied.
•
Elevated obstacles such as overpasses and
overhead signs may be detected when ap-
proaching a roadway descending to a lower
elevation.
•
Vehicles cannot be detected on the other side
of a hill. An alarm will not sound until the object
is within the antenna assembly’s field of view.
•
On approaching a steep hill, objects above the
beam cannot be detected. Generally, the beam
hitting the road surface does not cause an
alarm.
•
The side sensor only detects objects within its
field of view, next to the tractor. A vehicle far-
ther back, behind the field of view, will not be
detected.
•
The side sensor range is set to detect average
sized vehicles, 2 to 10 feet (0.5 to 3 meters)
away, in the adjacent lane.
•
The radar beam of the CWS will detect near
range cut-ins of approximately 30 feet (9
meters) or less, depending on the angle of en-
trance into the lane in front of your vehicle.
WARNING
Heavy rain or water spray at the side sensor may
cause both the yellow and red lights on the side
sensor display to illuminate at the same time.
Under these conditions the system is temporarily
unable to provide adequate warnings.
Failure to drive safely and use the system prop-
erly could result in personal injury and/or death
and severe property damage.
NOTE: A continuous fixed object on the right
side of the vehicle such as a guard rail, wall,
tunnel, or bridge may cause the side sensor
alert light to stay on.
EVT–300 Accident Reconstruction
The optional accident reconstruction capability pro-
vides two segments of system data, one of which
can be stored in system memory. Push and hold the
DDU range knob for about 5 seconds to store the
first segment. Within 6 seconds, the green SC indica-
tor light will blink rapidly 8 times confirming that the
data has been saved. If the range knob is pushed
again, a fail tone will sound. After the first segment is
saved, the second segment runs continuously but
only contains the last 10 minutes (approximately) of
system data.
NOTE: Once the first memory segment is fro-
zen, the other can’t be frozen. Only by discon-
necting the main CPU connector can the sec-
ond memory segment be preserved. You must
return the CPU to Eaton VORAD for download-
ing and interpretation of accident reconstruction
data.
Instruments and Controls Identification
2.37
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