Iteris RZ4 Advanced Installation Manual page 28

Figure 5.29
Other Important Field of View Considerations
1) Make sure that there is no horizon in the FOV. This can result in serious operational problems for East
or West approaches. Why? Because of the sun! During sunrise or sunset the sun can completely blind
the camera. Proper FOV, visor adjustment, and camera tilt can prevent this potential problem.
Figure 5.30
2) Make sure the stop bar area is located toward the bottom of the FOV. This will also leave room for
advance zone detection. The following example photo shows the stop bar area located in the middle of
Figure 5.31
This picture graphically demonstrates the "stop bar four lane rule" and "the
rule of thumb" vehicle size relationship
Poor Setup ‐ Horizon Is Included As Part of The Field of View (FOV)
the FOV, which is not the ideal location.
Poor Setup ‐ Stop bar Area Is In The Middle of The Field of View (FOV)
.
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