About Selection Of Warning Objects - Alpine ACTIVE VIEW HCE-C305R Owner's Manual

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If multiple pedestrians crossing. If multiple pedestrians continuously approaching.
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When the object moves at the same speed as the vehicle
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Motionless objects when the vehicle moves very slowly
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Object moving at an extremely low speed
• When objects disappear from the camera's scope because of exhaust gases, rain, fog, snow, or mud
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False detection because of exhaust gases, rain, snow, or road surface reflections
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When the vehicle moves at speeds equal to or more than 5 mph (5 km/h)
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When the object moves at speeds equal to or more than 25 mph (40 km/h)
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When the detection range becomes narrower because the camera's scope is interrupted by the vehicle's body
• When tires are changed or the vehicle is loaded with heavy objects after calibration
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A particularly dark location at night
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A light flashing near the vehicle or its own hazard lamps flashing.
• When light hits the camera directly (If a license plate lamp has been customized to be brighter than normal, etc.)
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If the vehicle is tilted
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Reflection of light on the road surface while driving the vehicle
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Moving object that starts moving near the vehicle
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If the vehicle shadow shows up in the camera image
• If the headlights of another car reflect on the body of the vehicle to the side

About Selection of Warning Objects

If multiple objects are detected, a warning is given for the most critical object in both the right and left
images. An alarm sounds for the nearest object on either the right or left side.
The warning objects are selected according to the "arrival time" to the vehicle. Therefore, objects at
higher speeds are recognized as high priority from a longer distance. Even when a moving object at
lower speeds (for example, pedestrians) is closer to the vehicle, another moving object with a shorter
arrival time (for example, a car) is preferentially displayed if such an object is detected.
For example: There is a pedestrian moving towards your vehicle at 2.5 mph (4 km/h) and a car from your
vehicle approaching at 12 mph (20 km/h). The car will reach your vehicle earlier. In this case, a warning
is given for the car.
Your vehicle
12 mph (20 km/h)
Arrival time is shorter
2.5 mph (4 km/h)
Arrival time is longer
Pedestrian
Car
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