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Detection 

21

Radar Frequencies

There are now three frequencies that have been
approved by the FCC (Federal Communications
Commission) for use in speed monitoring 
equipment. They are:

X Band (10.525 GHz),K Band (24.150 GHz)
Ka Band (33.400-36.000 GHz)

Your Cobra ESD-9550 can detect signals in all
three radar bands including photo radar and
STALKER radar which use the Ka band, and
Cobra’s Safety Alert signals on the K band.

Facts About LIDAR (Laser)

What is LIDAR?

LIDAR stands for Light Detection And Ranging.
While everyone refers to it as LASER the correct
name is LIDAR.

How does LIDAR work?

LIDAR operates a lot like RADAR.Like RADAR,it
spreads out. Not as quickly, but it does spread, as
shown on the diagram below.

Radar
Frequencies

Facts About
LIDAR (Laser)

Facts About the Safety Alert® Traffic 
Warning System

FCC-approved Safety Alert Transmitters emit
microwave radar signals to indicate the presence of a
safety-related concern. Depending on the frequency of
these signals, as set on the transmitter, the outgoing
signal can indicate whether the transmitter is on a
speeding emergency vehicle or train,or at a stationary
road hazard location. These microwave signals are
located in the K-band and as a result, any radar
detector which detects K-band radar will detect these
Safety signals as standard K-band radar alerts. However,
unlike a standard radar detector, your Cobra ESD-9550
is designed to differentiate between a standard K-band
alert and a Safety Alert warning. Safety technology is
relatively new so the number of transmitters in
operation is still growing.You may not receive Safety
Alert on a daily basis and should not be surprised to
encounter some emergency vehicles, road hazards or
trains not yet equipped with these transmitters ,
therefore failing to provide a signal. As Safety
Transmitters become more prevalent (the number of
operating transmitters is growing every day),these
Safety Alerts will become more common. The Safety
Alert Transmitter is in use in all 50 states in limited
quantities.

Facts About Strobe Alert™

Alerts motorists to over 50,000 emergency vehicles
equipped with strobe transmitters that activate red
lights at traffic intersections in emergency high speed
situations.

Note

Strobe Alert™ is available in
over 1,000 cities and works
with Tomar and Opticom
systems. Call your local
Fire/Police department for
your area coverage or area
in which you will be
traveling.

Detection 

20

Facts About
Safety Alert

®

Tr a ff i c Wa rn i n g
System

LIDARs must have a clear
line of sight to target a
vehicle during the entire
measurement interval.
Intervening objects such as
signposts, utility poles, tree
branches, etc.,will prevent
a valid speed reading.

*9550.MANUAL  8/9/00  12:21 PM  Page 20

Summary of Contents for ESD9550

Page 1: ...sories Controls Indicators A2 Our Thanks to You A3 Customer Support A3 Features 1 Installation 2 Quick Start 5 Digital Displays 6 Operation 9 Turning On 9 Dim Button 10 Highway City Mode 11 Muting Mod...

Page 2: ...view of the rear window to take advantage of its 360 detection capability It is best to locate your detector as low on the front windshield as possible Examples of metal in the windshield area that ca...

Page 3: ...d loop material Dash Mounting Dash Mounting Plug power cord into detector Plug power cord into cigarette lighter Peel protective paper off one side of hook and loop material Place on dash Peel top pap...

Page 4: ...s and release Dim button a second time to select Dim setting Press and release Dim button a third time to select Dimmer setting Press and release Dim button again to select Dark setting 1 LED Displays...

Page 5: ...ar in the display To Switch Between Modes Press and release Mute Button when no signal is being received 1 1 1 Turning On Your ESD 9550 Turning On Your ESD 9550 Plug power cord into detector Plug powe...

Page 6: ...s this selection Press and release Dim button twice to reduce the display brightness to Dimmer A single beep confirms dim led brightness Highway City Mode Note Use City Mode in or near cities where th...

Page 7: ...n Note In either mode the next alarm will begin with normal volume The ESD 9550 will retain the chosen mode while OFF Continued Press and release Mute button when no signal is being received 1 Manual...

Page 8: ...as soon as you get away from these locations There is no need to calibrate your compass again Calibrate Compass Calibrate Compass The compass in your ESD 9550 must be calibrated before you use it to g...

Page 9: ...e displayed Note The display does not indicate signal strength Weakest signal Strongest signal Instant On Detection The Cobra ESD 9550 is also designed to detect Instant on speed monitoring signals Im...

Page 10: ...audible signals one each for LTI 20 20 Ultra Lyte and ProLaser Use Full Caution There are no false laser signals Safety Alert and Strobe Alert have their own unique European Emergency signal An emerge...

Page 11: ...will detect these Safety signals as standard K band radar alerts However unlike a standard radar detector your Cobra ESD 9550 is designed to differentiate between a standard K band alert and a Safety...

Page 12: ...DAR guns cannot obtain readings through any glass But the laser pulse can be received through glass to easily and quickly trigger a laser detector s alarm Can LIDAR operate while moving No since LIDAR...

Page 13: ...or removed 4 if the owner of the product resides outside the U S A All implied warranties including warranties of merchantability and fitness for a particular purpose are limited in duration to the l...

Page 14: ...Cord 10 00 545 139 N 001 Windshield Mounting Bracket 7 00 Item Description Cost Ea Qty Amount Please print clearly Name Address No P O Box City State Zip Telephone Credit Card No Exp Date Customer Si...

Page 15: ...Notes Notes Dont Need This Page 9550 MANUAL 8 9 00 12 21 PM Page 28...

Page 16: ...will be necessary to furnish the following in order to have the product serviced and returned 1 For Warranty Repair include some form of proof of purchase such as a mechanical reproduction or carbon...

Page 17: ...ical Assistanceavailable 24hours a day sevendaysa week E mail questions to productinfo cobraelec com CobraontheWorldWideWeb Frequently Asked Questions FAQ can be found on line at www cobraelectronics...

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