Uniden LRD6399SWS English Owners Manual - Page 3

Laser, The Laser Speed Detection System, also called LIDAR

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Laser The Laser Speed Detection System, also called LIDAR (for Light Detection and Ranging), uses a laser gun that emits infrared light pulses just outside the spectrum of visible light. Each reflected pulse measures the speed of the object coming toward or going away from the laser gun. Unlike radar, the laser gun emits a very narrow beam of light, so it can pinpoint a speeding car within traffic. The infrared beam spreads out, but slowly and over a longer distance than a radar signal. The laser gun can acquire a speed reading as quickly as 0.3 seconds, sometimes less. However, since it isn't easy to accurately aim at and hit a moving target, an operator often moves the laser gun in several directions to get a reading. So laser signals are emitted continuously for a few seconds for each speed measurement. The LRD 6299SWS/LRD 6399SWS can detect these light pulses from as far away as 1.5 miles, which is about four times the effective range of a laser gun (2,000 feet), and about ten times its average operating range (500-800 feet). Note: To be safe, do not ignore any warnings. Although there are other types of radar signals that may cause interference, when the LRD 6299SWS/LRD 6399SWS detects a signal, be on the alert. It is important to exercise caution at all times. 3

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Laser
The Laser Speed Detection System, also called LIDAR (for
Light
Detection
and
Ranging), uses a laser gun that emits infrared light pulses
just outside the spectrum of visible light. Each reflected pulse measures
the speed of the object coming toward or going away from the laser gun.
Unlike radar, the laser gun emits a very narrow beam of light, so it can
pinpoint a speeding car within traffic. The infrared beam spreads out, but
slowly and over a longer distance than a radar signal.
The laser gun can acquire a speed reading as quickly as 0.3 seconds,
sometimes less. However, since it isn’t easy to accurately aim at and hit a
moving target, an operator often moves the laser gun in several directions
to get a reading. So laser signals are emitted continuously for a few
seconds for each speed measurement. The LRD 6299SWS/LRD
6399SWS can detect these light pulses from as far away as 1.5 miles,
which is about four times the effective range of a laser gun (2,000 feet),
and about ten times its average operating range (500-800 feet).
Note:
To be safe, do not ignore any warnings. Although there are other
types of radar signals that may cause interference, when the
LRD 6299SWS/LRD 6399SWS detects a signal, be on the alert.
It is important to exercise caution at all times.
3