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Features and Specifications
Operating Bands
• Laser 904nm, 33 MHz bandwidth
Laser Detection
• Quantum Limited Video Receiver
• Multiple Laser Sensor Diodes (6F, 3R)
Laser Transmitter
• Multiple Laser-Shifting Diodes (16F, 8R)
Display Type
• LED indicators
• Automatic Brightness Control
Power Requirement
• 12VDC, Negative Ground
Dimensions (
Inches)
• Display/Controller: 4.2 x 1.4 x .55
• Front Laser Units: 4.65 x 1.8 x 0.8
• Rear Laser Unit: 6.0 x 1.0 x .65
Dark Mode (on the detector)
If the detector is placed in Dark Mode, the
SHIFTER Display Controller will provide
visual alerts for radar and laser. (Note:
Radar signals are a series of flashing LED’s
and do not provide direction indication.)
Mute
Both the standard remote mute button,
and the mute button on the detector will
provide Mute, and manual “Receive Only”
modes.
Error Messages
Front ZR4 Error
During the start-up sequence, if one
or both of the front-mounted SHIFTERS
are not communicating properly, the
detector will display “Front Shifter Error,”
accompanied by an audible alert tone.
This sequence will end, and the detector
will work normally as a radar/laser
detector.
Rear ZR4 Error
During the start-up sequence, if the
rear Laser SHIFTER is not installed, or
stops communicating, the detector will
display “Rear Shifter Error,” accompanied
by an audible tone. This sequence will end,
and the detector will work normally.
Specifications
How Laser Works
How Laser (Lidar) Works
Laser speed detection is actually LIDAR
(Light Detection and Ranging). LIDAR
guns project a beam of invisible infrared
light. The signal is a series of very short
infrared light energy pulses which move in
a straight line, reflecting off your car and
returning to the gun. LIDAR uses these light
pulses to measure the distance to a vehicle.
Speed is calculated by comparing the
change in distance over time.
LIDAR (or laser) is a newer technology
and is not as widespread as conventional
radar, therefore, you may not encounter
laser on a daily basis. And unlike radar
detection, laser detection is not prone to
“false” alarms. Because LIDAR transmits a
much narrower beam than does radar, it is
much more accurate in its ability to
distinguish between targets and is also
more difficult to detect.
As a result, even
the briefest laser alert should be taken
seriously.
There are limitations to LIDAR
equipment. LIDAR is much more sensitive
to weather conditions than RADAR, and a
LIDAR gun’s range will be decreased by
anything affecting visibility such as rain,
fog, or smoke. A LIDAR gun cannot operate
through glass and it must be stationary in
order to get an accurate reading. Because
LIDAR must have a clear line of sight and
is subject to cosine error (an inaccuracy
which increases as the angle between the
gun and the vehicle increases) police
typically use LIDAR equipment parallel to
the road or from an overpass. LIDAR can be
used day or night.
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