BENDIX BW2776 Fascicule

Function Test:
  1.  

Before testing the sensor, make sure the sensor has a clear view of sight out to at least a 12 ft. diameter 
test area. This is most important when testing indoors because this sensor will detect stationary 
objects like walls, support posts, or tool chests.

  2.  

Turn the vehicle ignition on (DO NOT START THE ENGINE) and make sure the VORAD

®

 system powers 

up with no faults (clear any historic faults).

  3.  

Verify the side sensor display inside the vehicle cab indicates NO objects are detected. If the display 
indicates object detection, make sure the area around the sensor is clear and the sensor mounting is 
appropriate. In some cases, it may be necessary to move the vehicle to a clear area.

  4.  

Test the sensor detection by holding a metallic target (min 10" x 10") at the sensor, two meters (6 ft.) 
away from center. Move two meters to the left and then to the right, verifying the sensor detects the 
target at all three locations (see illustration below). 

Note:  

For maximum energy refl ection when testing the sensor, keep the face of the test target aimed 
directly at the sensor. The pattern above indicates the sensor’s maximum detection angle, and is 
for testing only. The sensor may not detect all objects at these angles.

  

The sensor’s ability to detect depends on the composition of the target and its ability to refl ect 
pulse radar energy. The sensor may not detect humans, wood, or other non-metalic objects within 
the sensor’s detection zone.

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BW2776 ©2010 Bendix Commercial Vehicle Systems LLC, a member of the Knorr-Bremse Group  • 05/10  • All Rights Reserved

Target

Target

Target

Sensor

2 M

2 M

2 M